go on with the future refactoring.

doc: add PROVIDES_EXECUTORS to the config table

doc/acknowledgements.qbk

@@ -1,5 +1,6 @@
 [/
   (C) Copyright 2007-8 Anthony Williams.
+  (C) Copyright 2012-2015 Vicente J. Botet Escriba.
   Distributed under the Boost Software License, Version 1.0.
   (See accompanying file LICENSE_1_0.txt or copy at
   http://www.boost.org/LICENSE_1_0.txt).

doc/async_executors.qbk

@@ -1,5 +1,5 @@
 [/
- / Copyright (c) 2014 Vicente J. Botet Escriba
+ / Copyright (c) 2014-2015 Vicente J. Botet Escriba
  /
  / Distributed under the Boost Software License, Version 1.0. (See accompanying
  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -174,7 +174,7 @@ This has several advantages:
 * The scheduled operations are available for all the executors via wrappers.
 * The template functions could accept any chrono `time_point` and `duration` respectively as we are not working with virtual functions.
 
-In order to manage with all the clocks, this library propose generic solution. `scheduler<Clock>` know how to manage with the `submit_at`/`submit_after` `Clock::time_point`/`Clock::duration` tasks. Note that the durations on different clocks differ.
+In order to manage with all the clocks, this library propose a generic solution. `scheduler<Clock>` know how to manage with the `submit_at`/`submit_after` `Clock::time_point`/`Clock::duration` tasks. Note that the durations on different clocks differ.
 
 [heading Not Handled Exceptions]
 As in N3785 and based on the same design decision than `std`/`boost::thread` if a user closure throws an exception, the executor must call the `std::terminate` function.
@@ -319,33 +319,23 @@ The reason is that the user can always use a thread_local variable and reset it
 		}
 	);
 
+[
 [heading Default executor]
 
 The library authors share some of the concerns of the C++ standard committee (introduction of a new single shared resource, a singleton, could make it difficult to make it portable to all the environments) and that this library doesn't need to provide a default executor for the time been. 
 
-The user can always define his default executor himself and use the `at_thread_entry ` member function to set the default constructor.
+The user can always define his default executor himself.
 
-	thread_local default_executor_state_type default_executor_state;
-	executor* default_executor() { return default_executor_state.default_executor(); }
-
-	// in main
-	MyDefaultExecutor myDefaultExecutor( 
-		// at_thread_entry
-		[](MyDefaultExecutor& ex) { 
-			default_executor_state.set_default_executor(ex);
-		}
-	);
-
-	basic_thread_pool pool(
-		// at_thread_entry
-		[&myDefaultExecutor](basic_thread_pool& pool) { 
-			default_executor_state.set_default_executor(myDefaultExecutor);
-		}
-	);
+	boost::generic_executor_ref default_executor()
+	{
+  		static boost::basic_thread_pool tp(4);
+  		return generic_executor_ref(tp);
+	}
 
 
 [endsect]
 
+
 [/////////////////////]
 [section:ref Reference]
 
@@ -421,7 +411,7 @@ If invoked closure throws an exception the executor will call std::terminate, as
 
 [variablelist
 
-[[Effects:] [close the scheduler/executor `e` for submissions.]]
+[[Effects:] [close the executor `e` for submissions.]]
 
 [[Remark:] [The worker threads will work until there is no more closures to run.]]
 
@@ -441,7 +431,7 @@ If invoked closure throws an exception the executor will call std::terminate, as
 
 [[Return type:] [`bool`.]]
 
-[[Return:] [whether the scheduler/executor is closed for submissions.]]
+[[Return:] [whether the executor is closed for submissions.]]
 
 [[Throws:] [Whatever exception that can be throw while ensuring the thread safety.]]
 
@@ -516,9 +506,6 @@ Executor abstract base class.
     public:
       typedef  boost::work work;
   
-      executor(executor const&) = delete;
-      executor& operator=(executor const&) = delete;
-
       executor(); 
       virtual ~executor() {};
   
@@ -583,9 +570,6 @@ Polymorphic adaptor of a model of Executor to an executor.
     public:
       typedef  executor::work work;
   
-      executor_adaptor(executor_adaptor const&) = delete;
-      executor_adaptor& operator=(executor_adaptor const&) = delete;
-  
       template <typename ...Args>
       executor_adaptor(Args&& ... args);
 
@@ -651,20 +635,24 @@ Polymorphic adaptor of a model of Executor to an executor.
 [/////////////////////////////////]
 [section:generic_executor_ref Class `generic_executor_ref`]
 
-Executor abstract base class.
+Type erased executor class.
 
   #include <boost/thread/generic_executor_ref.hpp>
   namespace boost {
     class generic_executor_ref
     {
     public:
-      generic_executor_ref(generic_executor_ref const&);
-      generic_executor_ref& operator=(generic_executor_ref const&);
 
       template <class Executor>
       generic_executor_ref(Executor& ex); 
-      generic_executor_ref() {};
+      generic_executor_ref() = delete;
+      generic_executor_ref(generic_executor_ref const&) = default;
+      generic_executor_ref(generic_executor_ref &&) = default;
+      generic_executor_ref& operator=(generic_executor_ref const&) = default;
+      generic_executor_ref& operator=(generic_executor_ref &&) = default;
   
+      executor& underlying_executor() noexcept;
+
       void close() = 0;
       bool closed() = 0;
   
@@ -679,6 +667,44 @@ Executor abstract base class.
 
 [endsect]
 
+
+[/////////////////////////////////]
+[section:generic_executor Class `generic_executor`]
+
+Type erased executor class.
+
+  #include <boost/thread/generic_executor.hpp>
+  namespace boost {
+    class generic_executor
+    {
+    public:
+
+      template <class Executor>
+      generic_executor(Executor& ex); 
+      generic_executor() = delete;
+
+      generic_executor(generic_executor const&) = default;
+      generic_executor(generic_executor &&) = default;
+      generic_executor& operator=(generic_executor const&) = default;
+      generic_executor& operator=(generic_executor &&) = default;
+  
+      executor& underlying_executor() noexcept;
+
+      void close() = 0;
+      bool closed() = 0;
+  
+      template <typename Closure>
+      void submit(Closure&& closure);
+  
+      virtual bool try_executing_one() = 0;
+      template <typename Pred>
+      bool reschedule_until(Pred const& pred);
+    };
+  }
+
+[endsect]
+
+
 [//////////////////////////////////////////////////////////]
 [section: scheduler Template Class `scheduler `]
 
@@ -693,10 +719,7 @@ Scheduler providing time related functions. Note that `scheduler` is not an Exec
     public:
       using work = boost::function<void()> ;
       using clock = Clock;
-
-      scheduler(scheduler const&) = delete;
-      scheduler& operator=(scheduler const&) = delete;
-  
+ 
       scheduler();
       ~scheduler();
  
@@ -743,7 +766,7 @@ Scheduler providing time related functions. Note that `scheduler` is not an Exec
 
 [[Effects:] [Destroys the scheduler.]]
 
-[[Synchronization:] [The completion of all the closures happen before the completion of the executor destructor.]]
+[[Synchronization:] [The completion of all the closures happen before the completion of the destructor.]]
 
 ]
 
@@ -824,7 +847,7 @@ Scheduler providing time related functions. Note that `scheduler` is not an Exec
   }
 
 [/////////////////////////////////////]
-[section:constructor Constructor `at_executor(Scheduler&)`]
+[section:constructor Constructor `at_executor(Scheduler&, clock::time_point const&)`]
 
       at_executor(Scheduler& sch, clock::time_point const& tp);
 
@@ -1349,10 +1372,6 @@ A serial executor ensuring that there are no two work units that executes concur
     class serial_executor
     {
     public:
-      serial_executor(serial_executor const&) = delete;
-      serial_executor& operator=(serial_executor const&) = delete;
-  
-      template <class Executor>
       serial_executor(Executor& ex);
  
       Executor& underlying_executor() noexcept;
@@ -1403,7 +1422,7 @@ A serial executor ensuring that there are no two work units that executes concur
 [/////////////////////////////////////]
 [section:underlying_executor Function member `underlying_executor()`]
 
-      generic_executor_ref& underlying_executor() noexcept;
+      Executor& underlying_executor() noexcept;
 
 [variablelist
 
@@ -1428,13 +1447,10 @@ A serial executor ensuring that there are no two work units that executes concur
     class generic_serial_executor
     {
     public:
-      generic_serial_executor(generic_serial_executor const&) = delete;
-      generic_serial_executor& operator=(generic_serial_executor const&) = delete;
-  
       template <class Executor>
       generic_serial_executor(Executor& ex);
  
-      generic_executor_ref& underlying_executor() noexcept;
+      generic_executor& underlying_executor() noexcept;
 
       void close();
       bool closed();
@@ -1443,6 +1459,7 @@ A serial executor ensuring that there are no two work units that executes concur
       void submit(Closure&& closure);
   
       bool try_executing_one();
+
       template <typename Pred>
       bool reschedule_until(Pred const& pred);
 
@@ -1466,7 +1483,7 @@ A serial executor ensuring that there are no two work units that executes concur
 
 [endsect]
 [/////////////////////////////////////]
-[section:destructor Destructor `~serial_executor()`]
+[section:destructor Destructor `~generic_serial_executor()`]
 
       ~generic_serial_executor();
 
@@ -1478,6 +1495,80 @@ A serial executor ensuring that there are no two work units that executes concur
 
 ]
 
+[endsect]
+[/////////////////////////////////////]
+[section:underlying_executor Function member `underlying_executor()`]
+
+      generic_executor& underlying_executor() noexcept;
+
+[variablelist
+
+[[Return:] [The underlying executor instance. ]]
+
+]
+
+
+[endsect]
+
+[endsect]
+
+[//////////////////////////////////////////////////////////]
+[section:serial_executor_cont Template Class `serial_executor_cont`]
+
+A serial executor ensuring that there are no two work units that executes concurrently.
+
+  #include <boost/thread/serial_executor_cont.hpp>
+  namespace boost {
+    template <class Executor>
+    class serial_executor_cont
+    {
+    public:
+      serial_executor_cont(Executor& ex);
+ 
+      Executor& underlying_executor() noexcept;
+
+      void close();
+      bool closed();
+  
+      template <typename Closure>
+      void submit(Closure&& closure);
+  
+      bool try_executing_one();
+      template <typename Pred>
+      bool reschedule_until(Pred const& pred);
+
+    };
+  }
+
+[/////////////////////////////////////]
+[section:constructor Constructor `serial_executor_cont(Executor&)`]
+
+      template <class Executor>
+      serial_executor_cont(Executor& ex);
+
+[variablelist
+
+[[Effects:] [Constructs a serial_executor_cont. ]]
+
+[[Throws:] [Nothing. ]]
+
+]
+
+
+[endsect]
+[/////////////////////////////////////]
+[section:destructor Destructor `~serial_executor_cont()`]
+
+      ~serial_executor_cont();
+
+[variablelist
+
+[[Effects:] [Destroys the serial_executor.]]
+
+[[Synchronization:] [The completion of all the closures happen before the completion of the executor destructor.]]
+
+]
+
 [endsect]
 [/////////////////////////////////////]
 [section:underlying_executor Function member `underlying_executor()`]
@@ -1488,6 +1579,8 @@ A serial executor ensuring that there are no two work units that executes concur
 
 [[Return:] [The underlying executor instance. ]]
 
+[[Throws:] [Nothing.]]
+
 ]
 
 
@@ -1495,6 +1588,82 @@ A serial executor ensuring that there are no two work units that executes concur
 
 [endsect]
 
+[//////////////////////////////////////////////////////////]
+[section:generic_serial_cont_executor Class `generic_serial_cont_executor`]
+
+A serial executor ensuring that there are no two work units that executes concurrently.
+
+  #include <boost/thread/generic_serial_cont_executor.hpp>
+  namespace boost {
+    class generic_serial_cont_executor
+    {
+    public:
+      template <class Executor>
+      generic_serial_cont_executor(Executor& ex);
+ 
+      generic_executor& underlying_executor() noexcept;
+
+      void close();
+      bool closed();
+  
+      template <typename Closure>
+      void submit(Closure&& closure);
+  
+      bool try_executing_one();
+
+      template <typename Pred>
+      bool reschedule_until(Pred const& pred);
+
+    };
+  }
+
+[/////////////////////////////////////]
+[section:constructor Constructor `generic_serial_cont_executor(Executor&)`]
+
+      template <class Executor>
+      generic_serial_cont_executor(Executor& ex);
+
+[variablelist
+
+[[Effects:] [Constructs a generic_serial_cont_executor. ]]
+
+[[Throws:] [Nothing. ]]
+
+]
+
+
+[endsect]
+[/////////////////////////////////////]
+[section:destructor Destructor `~generic_serial_cont_executor()`]
+
+      ~generic_serial_cont_executor();
+
+[variablelist
+
+[[Effects:] [Destroys the generic_serial_cont_executor.]]
+
+[[Synchronization:] [The completion of all the closures happen before the completion of the executor destructor.]]
+
+]
+
+[endsect]
+[/////////////////////////////////////]
+[section:underlying_executor Function member `underlying_executor()`]
+
+      generic_executor& underlying_executor() noexcept;
+
+[variablelist
+
+[[Return:] [The underlying executor instance. ]]
+
+]
+
+
+[endsect]
+
+[endsect]
+
+
 
 [//////////////////////////////////////////////////////////]
 [section:inline_executor Class `inline_executor`]
@@ -1506,10 +1675,8 @@ A serial executor ensuring that there are no two work units that executes concur
     class inline_executor
     {
     public:
-      inline_executor(inline_executor const&) = delete;
-      inline_executor& operator=(inline_executor const&) = delete;
-  
       inline_executor();
+      ~inline_executor();
  
       void close();
       bool closed();
@@ -1570,9 +1737,6 @@ A thread pool with up to a fixed number of threads.
     class basic_thread_pool
     { 
     public:
- 
-      basic_thread_pool(basic_thread_pool const&) = delete;
-      basic_thread_pool& operator=(basic_thread_pool const&) = delete;
   
       basic_thread_pool(unsigned const thread_count = thread::hardware_concurrency());
       template <class AtThreadEntry>
@@ -1633,9 +1797,6 @@ A thread_executor with a threads for each task.
     { 
     public:
  
-      thread_executor(thread_executor const&) = delete;
-      thread_executor& operator=(thread_executor const&) = delete;
-  
       thread_executor();
       template <class AtThreadEntry>
       basic_thread_pool( unsigned const thread_count, AtThreadEntry at_thread_entry);
@@ -1690,9 +1851,6 @@ A user scheduled executor.
     class loop_executor
     { 
     public:
- 
-      loop_executor(loop_executor const&) = delete;
-      loop_executor& operator=(loop_executor const&) = delete;
   
       loop_executor();
       ~loop_executor();

doc/barrier.qbk

@@ -1,6 +1,6 @@
 [/
   (C) Copyright 2007-8 Anthony Williams.
-  (C) Copyright 2013 Vicente J. Botet Escriba.
+  (C) Copyright 2013-2015 Vicente J. Botet Escriba.
   Distributed under the Boost Software License, Version 1.0.
   (See accompanying file LICENSE_1_0.txt or copy at
   http://www.boost.org/LICENSE_1_0.txt).

doc/changes.qbk

@@ -1,6 +1,6 @@
 [/
   (C) Copyright 2007-11 Anthony Williams.
-  (C) Copyright 2011-14 Vicente J. Botet Escriba.
+  (C) Copyright 2011-15 Vicente J. Botet Escriba.
   Distributed under the Boost Software License, Version 1.0.
   (See accompanying file LICENSE_1_0.txt or copy at
   http://www.boost.org/LICENSE_1_0.txt).
@@ -8,39 +8,105 @@
 
 [section:changes History]
 
+[heading Version 4.6.0 - boost 1.60]
+
+[*Know Bugs:]
+
+* [@http://svn.boost.org/trac/boost/ticket/4833 #4833] MinGW/test_tss_lib: Support of automatic tss cleanup for native threading API not available
+* [@http://svn.boost.org/trac/boost/ticket/8600 #8600] wait_for_any hangs, if called with multiple copies of shared_future referencing same task
+* [@http://svn.boost.org/trac/boost/ticket/9118 #9118] Seg fault on thread join when llvm and libc++ are used
+* [@http://svn.boost.org/trac/boost/ticket/10942 #10942] Boost.Thread fails to build on Cygwin.
+
+Please take a look at [@https://svn.boost.org/trac/boost/query?status=assigned&status=new&status=reopened&component=thread&type=!Feature+Requests&col=id&col=summary&order=id thread Know Bugs] to see the current state.
+
+Please take a look at [@http://www.boost.org/development/tests/master/developer/thread.html thread trunk regression test] to see the last regression test snapshot.
+
+[*New Experimental Features:]
+
+* [@http://svn.boost.org/trac/boost/ticket/11424 #11424] Provide shared_timed_mutex as an alternative name for shared_mutex and deprecate the use of shared_mutex as a timed mutex
+
+[*Fixed Bugs:]
+
+* [@http://svn.boost.org/trac/boost/ticket/3926 #3926] thread_specific_ptr + dlopen library causes a SIGSEGV.
+* [@http://svn.boost.org/trac/boost/ticket/6377 #6377] Condition variable blocks when changing time
+* [@http://svn.boost.org/trac/boost/ticket/6787 #6787] boost::thread::sleep() hangs if system time is rolled back
+* [@http://svn.boost.org/trac/boost/ticket/7665 #7665] this_thread::sleep_for no longer uses steady_clock in thread
+* [@http://svn.boost.org/trac/boost/ticket/7720 #7720] exception lock_error while intensive locking/unlocking of mutex
+* [@http://svn.boost.org/trac/boost/ticket/9309 #9309] test_latch fails often on clang-darwin-tot11
+* [@http://svn.boost.org/trac/boost/ticket/10788 #10788] GetLogicalProcessor isn't available for Windows platform less or equals to 0x0502
+* [@http://svn.boost.org/trac/boost/ticket/11090 #11090] ex_future_unwrap- ThreadSanitizer: lock-order-inversion (potential deadlock)
+* [@http://svn.boost.org/trac/boost/ticket/11185 #11185] Incorrect URL redirection
+* [@http://svn.boost.org/trac/boost/ticket/11192 #11192] boost::future<>::then() with an executor doesn't compile when the callback returns a future
+* [@http://svn.boost.org/trac/boost/ticket/11250 #11250] future made from make_exceptional fails on assertion in destructor
+* [@http://svn.boost.org/trac/boost/ticket/11256 #11256] future<>::is_ready() == false in continuation function
+* [@http://svn.boost.org/trac/boost/ticket/11158 #11158] Pthread thread deadlock when faketime used
+* [@http://svn.boost.org/trac/boost/ticket/11261 #11261] bad use of scoped threads in basic_thread_pool
+* [@http://svn.boost.org/trac/boost/ticket/11263 #11263] lock already locked lock
+* [@http://svn.boost.org/trac/boost/ticket/11266 #11266] boost::packaged_task has invalid variadic signature
+* [@http://svn.boost.org/trac/boost/ticket/11302 #11302] boost thread doesn't build with BOOST_THREAD_PATCH.
+* [@http://svn.boost.org/trac/boost/ticket/11322 #11322] sleep_for() nanoseconds overload will always return too early on windows
+* [@http://svn.boost.org/trac/boost/ticket/11329 #11329] using declarative for GetProcessHeap, .... fails
+* [@http://svn.boost.org/trac/boost/ticket/11377 #11377] Boost condition variable always waits for system clock deadline
+* [@http://svn.boost.org/trac/boost/ticket/11435 #11435] gcc compiler warning in future.hpp
+* [@http://svn.boost.org/trac/boost/ticket/11555 #11555] devector.hpp assumes allocator_traits_type is always present
+* [@http://svn.boost.org/trac/boost/ticket/11562 #11562] Timer (using steady_clock) expires after computer time is set forward on Ubuntu 64-bit
+* [@http://svn.boost.org/trac/boost/ticket/11672 #11672] Thread: Should use unique_ptr, not auto_ptr
+
+
 [heading Version 4.5.0 - boost 1.58]
 
 [*Know Bugs:]
 
-* [@http://svn.boost.org/trac/boost/ticket/2442 #2442] Application statically linked with Boost.Thread crashes when Google Desktop is installed (Windows XP)
 * [@http://svn.boost.org/trac/boost/ticket/3926 #3926] thread_specific_ptr + dlopen library causes a SIGSEGV.
 * [@http://svn.boost.org/trac/boost/ticket/4833 #4833] MinGW/test_tss_lib: Support of automatic tss cleanup for native threading API not available
-* [@http://svn.boost.org/trac/boost/ticket/7319 #7319] Take care of c++std-lib-32966 issue
 * [@http://svn.boost.org/trac/boost/ticket/8600 #8600] wait_for_any hangs, if called with multiple copies of shared_future referencing same task
 * [@http://svn.boost.org/trac/boost/ticket/9118 #9118] Seg fault on thread join when llvm and libc++ are used
 * [@http://svn.boost.org/trac/boost/ticket/9309 #9309] test_latch fails often on clang-darwin-tot11
-* [@http://svn.boost.org/trac/boost/ticket/9310 #9310] test_4648_lib fails on clang-darwin-asan11
 * [@http://svn.boost.org/trac/boost/ticket/9311 #9311] ex_lambda_future fails on msvc-11.0
-* [@http://svn.boost.org/trac/boost/ticket/10537 #10537] Application crash on throw exception
-* [@http://svn.boost.org/trac/boost/ticket/10651 #10651] boost::thread leaks memory when using the MinGW compiler
+* [@http://svn.boost.org/trac/boost/ticket/10942 #10942] Boost.Thread fails to build on Cygwin.
+
+[/
+* [@http://svn.boost.org/trac/boost/ticket/7319 #7319] Take care of c++std-lib-32966 issue
+* [@http://svn.boost.org/trac/boost/ticket/10651 #10651] boost::thread leaks memory when using the MinGW compiler.
+* [@http://svn.boost.org/trac/boost/ticket/10685 #10685] mfc_thread_init.hpp does not compile.
+* [@http://svn.boost.org/trac/boost/ticket/10967 #10967] Timed wait points inconsistently convert relative to absolute waits.
+]
 
 Please take a look at [@https://svn.boost.org/trac/boost/query?status=assigned&status=new&status=reopened&component=thread&type=!Feature+Requests&col=id&col=summary&order=id thread Know Bugs] to see the current state.
 
-Please take a look at [@http://www.boost.org/development/tests/master/developer/thread.html thread trunk regression test] to see the last snapshot.
+Please take a look at [@http://www.boost.org/development/tests/master/developer/thread.html thread trunk regression test] to see the last regression test snapshot.
 
 [*Sever limitations:]
 
 There are some severe bugs that prevent the use of the library on concrete contexts, in particular:
 
-* on thread specific storage that prevent the library to be used with dynamic libraries,
+* on thread specific storage that prevent the library to be used with dynamic libraries ( [@http://svn.boost.org/trac/boost/ticket/3926 #3926], ),
 
 [*New Experimental Features:]
 
 * [@http://svn.boost.org/trac/boost/ticket/9600 #9600] Async: Add task_region
 * [@http://svn.boost.org/trac/boost/ticket/10611 #10611] Add emplace promise::set_value and emplace make_ready_future
+* [@http://svn.boost.org/trac/boost/ticket/10826 #10826] Add scheduled executor operations
+* [@http://svn.boost.org/trac/boost/ticket/11048 #11048] Add a serial_executor based on continuations
 
 [*Fixed Bugs:]
 
+* [@http://svn.boost.org/trac/boost/ticket/6787 #6787] boost::thread::sleep() hangs if system time is rolled back
+* [@http://svn.boost.org/trac/boost/ticket/10734 #10734] Submit method work differently on different executors, some throw exception and some silently ignore error (thread_executor and inline_executor)
+* [@http://svn.boost.org/trac/boost/ticket/10736 #10736] Task exceptions silently ignored. I think std::terminate solution from N3785 and std::thread is better choice and more consistent.
+* [@http://svn.boost.org/trac/boost/ticket/10737 #10737] In serial_executor we have infinite wait if task throw exception.
+* [@http://svn.boost.org/trac/boost/ticket/10822 #10822] Boost.Thread fails to compile on Android
+* [@http://svn.boost.org/trac/boost/ticket/10824 #10824] Boost.Thread 1.57 breaks Windows XP compatibility for SP2 and below.
+* [@http://svn.boost.org/trac/boost/ticket/10963 #10963] future<future<T>>::then Has No Implementation
+* [@http://svn.boost.org/trac/boost/ticket/10964 #10964] future<future<T>>::unwrap().then() Deadlocks
+* [@http://svn.boost.org/trac/boost/ticket/10968 #10968] The futures returned by async() and future::then() are not blocking.
+* [@http://svn.boost.org/trac/boost/ticket/10971 #10971] shared_future::get()/get_or() must be const
+* [@http://svn.boost.org/trac/boost/ticket/10972 #10972] shared_future::then() can be called multiple times.
+* [@http://svn.boost.org/trac/boost/ticket/10979 #10979] Support T& type deduction when the make_ready_future parameter is reference_wrapper<T>
+* [@http://svn.boost.org/trac/boost/ticket/10996 #10996] Thread physical_concurrency() is failing on Windows
+* [@http://svn.boost.org/trac/boost/ticket/11035 #11035] BOOST_HAS_PTHREAD_MUTEXATTR_SETTYPE not defined for Android
+* [@http://svn.boost.org/trac/boost/ticket/11053 #11053] The attached code results in a R6025 - pure virtual function call in run_thread_exit_callbacks
+
 
 [heading Version 4.4.0 - boost 1.57]
 
@@ -58,6 +124,7 @@ There are some severe bugs that prevent the use of the library on concrete conte
 * [@http://svn.boost.org/trac/boost/ticket/10537 #10537] Application crash on throw exception
 * [@http://svn.boost.org/trac/boost/ticket/10651 #10651] boost::thread leaks memory when using the MinGW compiler
 
+
 Please take a look at [@https://svn.boost.org/trac/boost/query?status=assigned&status=new&status=reopened&component=thread&type=!Feature+Requests&col=id&col=summary&order=id thread Know Bugs] to see the current state.
 
 Please take a look at [@http://www.boost.org/development/tests/master/developer/thread.html thread trunk regression test] to see the last snapshot.

doc/compliance.qbk

@@ -1,13 +1,15 @@
 [/
-  (C) Copyright 2011-2013 Vicente J. Botet Escriba.
+  (C) Copyright 2011-2015 Vicente J. Botet Escriba.
   Distributed under the Boost Software License, Version 1.0.
   (See accompanying file LICENSE_1_0.txt or copy at
   http://www.boost.org/LICENSE_1_0.txt).
 ]
 
 [section:compliance Conformance and Extension]
+[////////////////////////////////////////////]
 
 [section:cpp11 C++11 standard Thread library]
+[///////////////////////////////////////////]
 
 [note [@http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2012/n3376.html C++11 - Standard for Programming Language C++]]]
 
@@ -88,6 +90,7 @@
 ]
 [endsect]
 [section:cxx14 C++14 standard Thread library - accepted changes]
+[//////////////////////////////////////////////////////////////]
 
 [note [@http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2013/n3797.html Working Draft, Standard for Programming Language C++]]
 
@@ -103,6 +106,7 @@
 
 
 [section:cxx1y C++14 TS Extensions for Concurrency V1 ]
+[/////////////////////////////////////////////////////]
 
 [note [@http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n4107.html N4107-Extensions for Concurrency]]
 
@@ -126,8 +130,10 @@
 [endsect]
 
 [section:cxx1y C++1z TS Concurrency - On going proposals]
+[///////////////////////////////////////////////////////]
 
 [section:latch C++ Latches and Barriers]
+[//////////////////////////////////////]
 
 [note [@http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2013/n3600.html N3600 C++ Latches and Barriers]]
 [note [@http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2013/n3817.html N3817 C++ Latches and Barriers]]
@@ -140,6 +146,7 @@
 
 [endsect]
 [section:queue C++ Concurrent Queues]
+[///////////////////////////////////]
 
 [note [@ http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2013/n3533.html N3533 C++ Concurrent Queues]]
 
@@ -183,24 +190,25 @@
     [[X.3.4]      [Managed Indirection]  [No] [ - ]]
 ]
 [endsect]
-[section:executors Asynchronous Executors]
+[section:executors Executors and Schedulers]
+[//////////////////////////////////////////]
 
 [note [@http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2013/n3785.pdf N3785 Executors and Schedulers]]
 
-[table Asynchronous Executors
+[table Executors and Schedulers 
     [[Section]  [Description]  [Status] [Comments]]
-    [[V.1.1]      [Class executor]  [Yes] [ - ]]
-    [[V.1.1]      [add]  [Yes] [ renamed with a function template submit   ]]
-    [[V.1.1]      [num_of_pendin_closures]  [No] [    ]]
+    [[V.1.1]      [Class `executor`]  [Yes] [ - ]]
+    [[V.1.1]      [`add`]  [Yes] [ renamed with a function template `submit` ]]
+    [[V.1.1]      [`num_of_pendin_closures`]  [No] [    ]]
     [[V.1.2]      [Class sceduled_executor]  [No] [ - ]]
-    [[V.1.2]      [add_at]  [No] [ renamed with a function template submit_at   ]]
-    [[V.1.2]      [add_after]  [No] [ renamed with a function template submit_after   ]]
+    [[V.1.2]      [`add_at`]  [No] [ renamed with a function template `scheduler::submit_at`   ]]
+    [[V.1.2]      [`add_after`]  [No] [ renamed with a function template `scheduler::submit_after`   ]]
     [[V.2]      [Concrete executor classes]  [No] [ - ]]
-    [[V.2.1]      [thread_pool]  [Yes] [ static version Basic_thread_pool, dynamic one execduler_adaptor<basic_thread_pool> ]]
-    [[V.2.2]      [serial_executor]  [yes] [ - ]]
-    [[V.2.3]      [loop_executor]  [Yes] [ static version loop_scheduler, dynamic one execduler_adaptor<loop_scheduler> ]]
-    [[V.2.4]      [inline_executor]  [Yes] [ static version inline_executor, dynamic one execduler_adaptor<inline_executor> ]]
-    [[V.2.5]      [thread_executor]  [Yes] [ static version thread_executor, dynamic one execduler_adaptor<thread_executor> ]]
+    [[V.2.1]      [`thread_pool`]  [Yes] [ static version `basic_thread_pool`, dynamic one `execduler_adaptor<basic_thread_pool>` ]]
+    [[V.2.2]      [`serial_executor`]  [yes] [ - ]]
+    [[V.2.3]      [`loop_executor`]  [Yes] [ static version loop_scheduler, dynamic one `execduler_adaptor<loop_scheduler>` ]]
+    [[V.2.4]      [`inline_executor`]  [Yes] [ static version `inline_executor`, dynamic one `execduler_adaptor<inline_executor>` ]]
+    [[V.2.5]      [`thread_executor`]  [Yes] [ static version `thread_executor`, dynamic one `execduler_adaptor<thread_executor>` ]]
 ]
 
 [note [@http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2013/n3784.pdf N3784-Improvements to `std::future<T> and Related APIs]]
@@ -212,8 +220,31 @@
     [[30.6.8]      [`async`]  [Yes] [ - ]]
 ]
 
+[note [@http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n4143.pdf N4143-Executors and schedulers, revision 4]]
+
+[table Executors and Schedulers - revision 4
+    [[Section]  [Description]  [Status] [Comments]]
+    [[VI.A]      [Executor Concept]  [Yes] [ `wrapper_type` renamed by `work` and `spawn by `submit` ]]
+    [[VI.A.1]      [`thread_per_task_executor]  [Yes] [ renamed `thread_executor`]]
+    [[VI.A.2]      [`thread_pool_executor`]  [Yes] [ renamed `basic_thread_pool`]]
+    [[VI.A.3]      [`system_executor`]  [No] [ - ]]
+    [[VI.A.4]      [`loop_executor`]  [Yes] [ - ]]
+    [[VI.A.5]      [`serial_executor`]  [yes] [ - ]]
+    [[VI.B]      [`executor_ref`]  [yes] [ - ]]
+    [[VI.C]      [`executor`]  [yes] [ renamed `gen_executor_ref` ]]
+    [[VI.D]      [Free Functions and Helper Objects]  [partial] [ - ]]
+    [[VI.D]      [`make_package`]  [No] [ - ]]
+    [[VI.D]      [`spawn_future`]  [No] [ `async(Ex&, ...)` is similar but returns a blocking future. ]]
+    [[VI.D]      [`spawn`]  [No] [ - ]]
+    [[VI.D]      [`task_wrapper`]  [No] [ renamed `resubmitter` ]]
+    [[VI.D]      [`set_executor`]  [No] [ renamed `resubmit` ]]
+    [[VI.D]      [`function_wrapper`]  [Partial] [ renamed `work` ]]
+]
+
 [endsect]
+[//////////////////////////////////////////////////////////////
 [section:stream_mutex	C++ Stream Mutexes - C++ Stream Guards]
+[/////////////////////////////////////////////////////////////]
 
 While Boost.Thread implementation of stream mutexes differ in the approach, it is worth comparing with the current trend on the standard.
 
@@ -241,7 +272,7 @@ While Boost.Thread implementation of stream mutexes differ in the approach, it i
 
 [endsect]
 
-
+///////////////////////////////]
 [endsect]
 
 [endsect]

doc/configuration.qbk

@@ -1,5 +1,5 @@
 [/
-  (C) Copyright 20012 Vicente J. Botet Escriba.
+  (C) Copyright 2012-2015 Vicente J. Botet Escriba.
   Distributed under the Boost Software License, Version 1.0.
   (See accompanying file LICENSE_1_0.txt or copy at
   http://www.boost.org/LICENSE_1_0.txt).
@@ -23,6 +23,7 @@
     [[PROVIDES_GENERIC_SHARED_MUTEX_ON_WIN] [DONT_PROVIDE_GENERIC_SHARED_MUTEX_ON_WIN]   [NO]  [YES] [YES] ]
 
     [[PROVIDES_SHARED_MUTEX_UPWARDS_CONVERSION]    [DONT_PROVIDE_SHARED_MUTEX_UPWARDS_CONVERSION]  [NO] [YES] [YES]  ]
+    [[PROVIDES_EXECUTORS]    [-]  [NO] [NO] [NO]  ]
     [[PROVIDES_EXPLICIT_LOCK_CONVERSION]    [DONT_PROVIDE_EXPLICIT_LOCK_CONVERSION]  [NO] [YES] [YES]  ]
     [[PROVIDES_FUTURE]    [DONT_PROVIDE_FUTURE]  [NO] [YES] [YES]  ]
     [[PROVIDES_FUTURE_CTOR_ALLOCATORS]    [DONT_PROVIDE_FUTURE_CTOR_ALLOCATORS]  [NO] [YES] [YES]  ]

doc/emulations.qbk

@@ -260,7 +260,7 @@ Locks provide an explicit bool conversion operator when the compiler provides th
 
 The library provides un implicit conversion to an undefined type that can be used as a conditional expression. 
 
-    #if defined(BOOST_NO_EXPLICIT_CONVERSION_OPERATORS)
+    #if defined(BOOST_NO_CXX11_EXPLICIT_CONVERSION_OPERATORS)
         operator ``['unspecified-bool-type]``() const;
         bool operator!() const;
     #else
@@ -346,14 +346,14 @@ use
 
 And instead of
 
-    #ifdef BOOST_NO_SCOPED_ENUMS
+    #ifdef BOOST_NO_CXX11_SCOPED_ENUMS
     template <>
     struct BOOST_SYMBOL_VISIBLE is_error_code_enum<future_errc> : public true_type { };
     #endif
 
 use
 
-    #ifdef BOOST_NO_SCOPED_ENUMS
+    #ifdef BOOST_NO_CXX11_SCOPED_ENUMS
     template <>
     struct BOOST_SYMBOL_VISIBLE is_error_code_enum<future_errc::enum_type> : public true_type { };
     #endif

doc/external_locking.qbk

@@ -98,7 +98,7 @@ or inheriting from a class which add these lockable functions.
 The `basic_lockable_adapter` class helps to define the `BankAccount` class as
 
   class BankAccount
-  : public basic_lockable_adapter<thread_mutex>
+  : public basic_lockable_adapter<boost::mutex>
   {
       int balance_;
   public:
@@ -138,7 +138,7 @@ Notice that now acct is being locked by Withdraw after it has already been locke
 As `boost::mutex` is not recursive, we need to use its recursive version `boost::recursive_mutex`.
 
   class BankAccount
-  : public basic_lockable_adapter<recursive_mutex>
+  : public basic_lockable_adapter<boost::recursive_mutex>
   {
   
       // ...
@@ -147,7 +147,7 @@ As `boost::mutex` is not recursive, we need to use its recursive version `boost:
 The caller-ensured locking approach is more flexible and the most efficient, but very dangerous. In an implementation using caller-ensured locking, BankAccount still holds a mutex, but its member functions don't manipulate it at all. Deposit and Withdraw are not thread-safe anymore. Instead, the client code is responsible for locking BankAccount properly.
 
     class BankAccount
-        : public basic_lockable_adapter<boost:mutex> {
+        : public basic_lockable_adapter<boost::mutex> {
         int balance_;
     public:
         void Deposit(int amount) {
@@ -271,7 +271,7 @@ Now that we have such a strict `strict_lock`, how do we harness its power in def
 A little code is worth 1,000 words, a (hacked into) saying goes, so here's the new BankAccount class:
 
     class BankAccount
-    : public basic_lockable_adapter<boost:recursive_mutex>
+    : public basic_lockable_adapter<boost::mutex>
     {
         int balance_;
     public:
@@ -280,7 +280,7 @@ A little code is worth 1,000 words, a (hacked into) saying goes, so here's the n
             balance_ += amount;
         }
         void Deposit(int amount) {
-            strict_lock<boost:mutex> guard(*this); // Internally locked
+            strict_lock<BankAccount> guard(*this); // Internally locked
             Deposit(amount, guard);
         }
         void Withdraw(int amount, strict_lock<BankAccount>&) {
@@ -288,7 +288,7 @@ A little code is worth 1,000 words, a (hacked into) saying goes, so here's the n
             balance_ -= amount;
         }
         void Withdraw(int amount) {
-            strict_lock<boost:mutex> guard(*this); // Internally locked
+            strict_lock<BankAccount> guard(*this); // Internally locked
             Withdraw(amount, guard);
         }
     };
@@ -327,7 +327,7 @@ The scheme is useful because the likelihood of a programmer forgetting about any
 Using `strict_lock` permits compile-time checking of the most common source of errors, and runtime checking of the less frequent problem.
 
 Let's see how to enforce that the appropriate BankAccount object is locked. First, we need to add a member function to the `strict_lock` class template. 
-The `bool strict_lock<T>::owns_lock(Loclable*)` function returns a reference to the locked object.
+The `bool strict_lock<T>::owns_lock(Lockable*)` function returns a reference to the locked object.
 
     template <class Lockable> class strict_lock {
         ... as before ...
@@ -338,7 +338,7 @@ The `bool strict_lock<T>::owns_lock(Loclable*)` function returns a reference to
 Second, BankAccount needs to use this function compare the locked object against this:
 
     class BankAccount {
-    : public basic_lockable_adapter<boost::recursive_mutex>
+    : public basic_lockable_adapter<boost::mutex>
         int balance_;
     public:
         void Deposit(int amount, strict_lock<BankAccount>& guard) {
@@ -403,7 +403,7 @@ The solution is to use a little bridge template `externally_locked` that control
       T& get(strict_lock<Lockable>& lock) {
   
   #ifdef BOOST_THREAD_THROW_IF_PRECONDITION_NOT_SATISFIED
-          if (!lock.owns_lock(&lockable_)) throw lock_error(); run time check throw if not locks the same
+          if (!lock.owns_lock(&lockable_)) throw lock_error(); //run time check throw if not locks the same
   #endif
           return obj_;
       }
@@ -421,10 +421,10 @@ The solution is to use a little bridge template `externally_locked` that control
 Instead of making `checkingAcct_` and `savingsAcct_` of type `BankAccount`, `AccountManager` holds objects of type `externally_locked<BankAccount, AccountManager>`:
 
   class AccountManager
-      : public basic_lockable_adapter<thread_mutex>
+      : public basic_lockable_adapter<boost::mutex>
   {
   public:
-      typedef basic_lockable_adapter<thread_mutex> lockable_base_type;
+      typedef basic_lockable_adapter<boost::mutex> lockable_base_type;
       AccountManager()
           : checkingAcct_(*this)
           , savingsAcct_(*this)
@@ -498,7 +498,7 @@ Now we need to state that both classes are `strict_lock`s.
 
 Well let me show what this `nested_strict_lock` class looks like and the impacts on the `externally_locked` class and the `AccountManager::AMoreComplicatedFunction` function.
 
-First `nested_strict_lock` class will store on a temporary lock the `Locker`, and transfer the lock ownership on the constructor. On destruction it will restore the ownership. Note the use of `lock_traits` and that the `Locker` needs to have a reference to the mutex otherwise and exception is thrown.
+First `nested_strict_lock` class will store on a temporary lock the `Locker`, and transfer the lock ownership on the constructor. On destruction it will restore the ownership. Note the use of `lock_traits` and that the `Locker` needs to have a reference to the mutex otherwise an exception is thrown.
 
   template <typename Locker >
   class nested_strict_lock
@@ -510,7 +510,7 @@ First `nested_strict_lock` class will store on a temporary lock the `Locker`, an
   
       nested_strict_lock(Locker& lock)
           : lock_(lock)  // Store reference to locker
-          , tmp_lock_(lock.move()) // Move ownership to temporaty locker 
+          , tmp_lock_(lock.move()) // Move ownership to temporary locker 
       {
           #ifdef BOOST_THREAD_THROW_IF_PRECONDITION_NOT_SATISFIED
           if (tmp_lock_.mutex()==0) {

doc/future_ref.qbk

@@ -1,5 +1,6 @@
 [/
   (C) Copyright 2008-11 Anthony Williams.
+  (C) Copyright 2012-2015 Vicente J. Botet Escriba.
   Distributed under the Boost Software License, Version 1.0.
   (See accompanying file LICENSE_1_0.txt or copy at
   http://www.boost.org/LICENSE_1_0.txt).
@@ -344,7 +345,7 @@ The object's `name` virtual function returns a pointer to the string "future".]]
       then(F&& func); // EXTENSION
       template<typename S, typename F>
       __unique_future__<typename boost::result_of<F(__unique_future__)>::type> 
-      then(S& scheduler, F&& func); // EXTENSION
+      then(Ex& executor, F&& func); // EXTENSION
       template<typename F>
       __unique_future__<typename boost::result_of<F(__unique_future__)>::type> 
       then(launch policy, F&& func); // EXTENSION
@@ -884,7 +885,7 @@ associated with `*this` is ready for retrieval, __waiting__ otherwise.]]
       then(F&& func); // EXTENSION
       template<typename S, typename F>
       __unique_future__<typename boost::result_of<F(__unique_future__)>::type> 
-      then(S& scheduler, F&& func); // EXTENSION
+      then(Ex& executor, F&& func); // EXTENSION
       template<typename F>
       __unique_future__<typename boost::result_of<F(__unique_future__)>::type> 
       then(launch policy, F&& func); // EXTENSION
@@ -897,7 +898,7 @@ There are not too much tests yet, so it is possible that you can find out some t
 [variablelist
 
 [[Notes:] [The three functions differ only by input parameters. The first only takes a callable object which accepts a 
-future object as a parameter. The second function takes a scheduler as the first parameter and a callable object as 
+future object as a parameter. The second function takes a executor as the first parameter and a callable object as 
 the second parameter. The third function takes a launch policy as the first parameter and a callable object as the 
 second parameter.]]
 
@@ -907,10 +908,10 @@ All the functions create a shared state that is associated with the returned fut
 
 - The continuation is called when the object's shared state is ready (has a value or exception stored).
 
-- The continuation launches according to the specified policy or scheduler.
+- The continuation launches according to the specified policy or executor.
 
-- When the scheduler or launch policy is not provided the continuation inherits the
-parent's launch policy or scheduler.
+- When the executor or launch policy is not provided the continuation inherits the
+parent's launch policy or executor.
 
 - Any value returned from the continuation is stored as the result in the shared state of the resulting `future`. Any exception propagated from the execution of the continuation is stored as the exceptional result in the shared state of the resulting `future`. 
 
@@ -1020,7 +1021,7 @@ There are not too much tests yet, so it is possible that you can find out some t
       void swap(shared_future& other);
 
       // retrieving the value
-      see below get();
+      see below get() const;
 
       exception_ptr get_exception_ptr(); // EXTENSION
 
@@ -1066,9 +1067,9 @@ There are not too much tests yet, so it is possible that you can find out some t
 [///////////////////////////////////]
 [section:get Member function `get()`]
 
-    const R& get();
-    R& get();
-    void get();
+    const R& get() const;
+    R& get() const;
+    void get() const;
 
 [variablelist
 
@@ -1361,7 +1362,7 @@ associated with `*this` is ready for retrieval, __waiting__ otherwise.]]
       then(F&& func) const; // EXTENSION
       template<typename S, typename F>
       __unique_future__<typename boost::result_of<F(shared_future)>::type> 
-      then(S& scheduler, F&& func) const; // EXTENSION
+      then(Ex& executor, F&& func) const; // EXTENSION
       template<typename F>
       __unique_future__<typename boost::result_of<F(shared_future)>::type> 
       then(launch policy, F&& func) const; // EXTENSION
@@ -1375,7 +1376,7 @@ There are not too much tests yet, so it is possible that you can find out some t
 [variablelist
 
 [[Notes:] [The three functions differ only by input parameters. The first only takes a callable object which accepts a 
-shared_future object as a parameter. The second function takes a scheduler as the first parameter and a callable object as 
+shared_future object as a parameter. The second function takes an executor as the first parameter and a callable object as 
 the second parameter. The third function takes a launch policy as the first parameter and a callable object as the 
 second parameter.]]
 
@@ -1383,17 +1384,17 @@ second parameter.]]
 
 - The continuation is called when the object's shared state is ready (has a value or exception stored).
 
-- The continuation launches according to the specified policy or scheduler.
+- The continuation launches according to the specified policy or executor.
 
-- When the scheduler or launch policy is not provided the continuation inherits the
-parent's launch policy or scheduler.
+- When the executor or launch policy is not provided the continuation inherits the
+parent's launch policy or executor.
 
 - If the parent was created with `promise` or with a `packaged_task` (has no associated launch policy), the 
 continuation behaves the same as the third overload with a policy argument of `launch::async | launch::deferred` and 
 the same argument for func.
 
 - If the parent has a policy of `launch::deferred` and the continuation does not have a specified launch policy or 
-scheduler, then the parent is filled by immediately calling `.wait()`, and the policy of the antecedent is 
+executor, then the parent is filled by immediately calling `.wait()`, and the policy of the antecedent is 
 `launch::deferred`
 
 ]]
@@ -2362,7 +2363,7 @@ All `R` types must be the same. If any of the `future<R>` or `shared_future<R>`
 [section:make_ready_future Non-member function `make_ready_future()` EXTENSION]
 
     template <typename T>
-      future<typename decay<T>::type> make_ready_future(T&& value);  // EXTENSION
+      future<V> make_ready_future(T&& value);  // EXTENSION
     future<void> make_ready_future();  // EXTENSION
     template <typename T>
       future<T> make_ready_future(exception_ptr ex);  // DEPRECATED
@@ -2371,11 +2372,15 @@ All `R` types must be the same. If any of the `future<R>` or `shared_future<R>`
 
 [variablelist
 
+[[Remark:][
+where `V` is determined as follows: Let `U` be `decay_t<T>`. Then `V` is `X&`
+if `U` equals `reference_wrapper<X>`, otherwise `V` is `U`.
+]]
 [[Effects:] [
-- value prototype: The value that is passed into the function is moved to the shared state of the returned function if it is an rvalue. 
-Otherwise the value is copied to the shared state of the returned function.
+- value prototype: The value that is passed into the function is moved to the shared state of the returned future if it is an rvalue. 
+Otherwise the value is copied to the shared state of the returned future.
 
-- exception: The exception that is passed into the function is copied to the shared state of the returned function.
+- exception: The exception that is passed into the function is copied to the shared state of the returned future.
 
 .]]
 

doc/futures.qbk

@@ -1,5 +1,6 @@
 [/
   (C) Copyright 2008-11 Anthony Williams.
+  (C) Copyright 2012-2015 Vicente J. Botet Escriba.
   Distributed under the Boost Software License, Version 1.0.
   (See accompanying file LICENSE_1_0.txt or copy at
   http://www.boost.org/LICENSE_1_0.txt).
@@ -93,7 +94,7 @@ the result is ready, it is returned from __unique_future_get__ by rvalue-referen
 appropriate for the type.
 
 On the other hand, many instances of __shared_future__ may reference the same result. Instances can be freely copied and assigned,
-and __shared_future_get__ returns a non `const` reference so that multiple calls to __shared_future_get__ are safe. You can move an
+and __shared_future_get__ returns a `const` reference so that multiple calls to __shared_future_get__ are safe. You can move an
 instance of __unique_future__ into an instance of __shared_future__, thus transferring ownership of the associated asynchronous
 result, but not vice-versa.
 
@@ -443,10 +444,10 @@ Input Parameters:
 success and one for error handling. However this option has not been retained for the moment. 
 The lambda function takes a future as its input which carries the exception 
 through. This makes propagating exceptions straightforward. This approach also simplifies the chaining of continuations.
-* Scheduler: Providing an overload to `.then`, to take a scheduler reference places great flexibility over the execution 
+* Executor: Providing an overload to `.then`, to take a executor reference places great flexibility over the execution 
 of the future in the programmer's hand. As described above, often taking a launch policy is not sufficient for powerful 
-asynchronous operations. The lifetime of the scheduler must outlive the continuation.
-* Launch policy: if the additional flexibility that the scheduler provides is not required.
+asynchronous operations. The lifetime of the executor must outlive the continuation.
+* Launch policy: if the additional flexibility that the executor provides is not required.
 
 Return values: The decision to return a future was based primarily on the ability to chain multiple continuations using
 `.then()`. This benefit of composability gives the programmer incredible control and flexibility over their code. Returning 

doc/mutex_concepts.qbk

@@ -2664,7 +2664,7 @@ Only the specificities respect to __Lockable are described here.
 
 [endsect]
 [///////////////////////////////]
-[section:get2 `get(strict_lock<nested_strict_lock<Lock>>&)`]
+[section:get2 `get(nested_strict_lock<Lock>&)`]
 
     template <class Lock>
     T& get(nested_strict_lock<Lock>& lk);
@@ -2684,7 +2684,7 @@ Only the specificities respect to __Lockable are described here.
 [endsect]
 
 [///////////////////////////////]
-[section:get3 `get(strict_lock<nested_strict_lock<Lock>>&)`]
+[section:get3 `get(Lock&)`]
 
     template <class Lock>
     T& get(Lock& lk);
@@ -2826,7 +2826,7 @@ Only the specificities respect to __Lockable are described here.
 
 [endsect]
 [///////////////////////////////]
-[section:get2 `get(strict_lock<nested_strict_lock<Lock>>&)`]
+[section:get2 `get(nested_strict_lock<Lock>&)`]
 
     template <class Lock>
     T& get(nested_strict_lock<Lock>& lk);
@@ -2846,7 +2846,7 @@ Only the specificities respect to __Lockable are described here.
 [endsect]
 
 [///////////////////////////////]
-[section:get3 `get(strict_lock<nested_strict_lock<Lock>>&)`]
+[section:get3 `get(Lock&)`]
 
     template <class Lock>
     T& get(Lock& lk);

doc/scoped_thread.qbk

@@ -21,18 +21,18 @@
   class scoped_thread;
   void swap(scoped_thread& lhs,scoped_thread& rhs) noexcept;
 
-[section:motovation Motivation]
+[section:motivation Motivation]
 Based on the scoped_thread class defined in C++ Concurrency in Action Boost.Thread defines a thread wrapper class that instead of calling terminate if the thread is joinable on destruction, call a specific action given as template parameter.
 
-While the scoped_thread class defined in C++ Concurrency in Action is closer to strict_scoped_thread class that doesn't allows any change in the wrapped thread, Boost.Thread provides a class scoped_thread that provides the same non-deprecated interface than __thread.
+While the scoped_thread class defined in C++ Concurrency in Action is closer to strict_scoped_thread class that doesn't allows any change in the wrapped thread, Boost.Thread provides a class scoped_thread that provides the same non-deprecated interface as __thread.
 
 [endsect]
 
 [section:tutorial Tutorial]
 
-Scoped Threads are wrappers around a thread that allows the user to state what to do at destruction time. One of the common uses is to join the thread at destruction time so this is the default behavior. This is the single difference respect to a thread. While thread call std::terminate() on the destructor is the thread is joinable, strict_scoped_thread<> or scoped_thread<> join the thread if joinable.
+Scoped Threads are wrappers around a thread that allows the user to state what to do at destruction time. One of the common uses is to join the thread at destruction time so this is the default behavior. This is the single difference respect to a thread. While thread call std::terminate() on the destructor if the thread is joinable, strict_scoped_thread<> or scoped_thread<> join the thread if joinable.
 
-The difference between strict_scoped_thread and scoped_thread is that the strict_scoped_thread hides completely the owned thread and so the user can do nothing with the owned thread other than the specific action given as parameter, while scoped_thread provide the same interface than __thread and forwards all the operations.   
+The difference between strict_scoped_thread and scoped_thread is that the strict_scoped_thread hides completely the owned thread and so the user can do nothing with the owned thread other than the specific action given as parameter, while scoped_thread provide the same interface as __thread and forwards all the operations.   
 
   boost::strict_scoped_thread<> t1((boost::thread(f)));
   //t1.detach(); // compile fails
@@ -114,15 +114,15 @@ The difference between strict_scoped_thread and scoped_thread is that the strict
   };
 
 
-RAI __thread wrapper adding a specific destroyer allowing to master what can be done at destruction time.
+RAII __thread wrapper adding a specific destroyer allowing to master what can be done at destruction time.
 
 CallableThread: A callable `void(thread&)`.
 
 The default is a `join_if_joinable`.
 
 
-`std/boost::thread` destructor terminates the program if the __thread is not joinable.
-This wrapper can be used to join the thread before destroying it seems a natural need.
+Thread destructor terminates the program if the __thread is joinable.
+This wrapper can be used to join the thread before destroying it.
 
 [heading Example]
 
@@ -233,13 +233,13 @@ This wrapper can be used to join the thread before destroying it seems a natural
     void swap(scoped_thread& lhs,scoped_thread& rhs) noexcept;
 
 
-RAI __thread wrapper adding a specific destroyer allowing to master what can be done at destruction time.
+RAII __thread wrapper adding a specific destroyer allowing to master what can be done at destruction time.
 
 CallableThread: A callable void(thread&).
 The default is join_if_joinable.
 
-thread std::thread destructor terminates the program if the thread is not joinable.
-Having a wrapper that can join the thread before destroying it seems a natural need.
+Thread destructor terminates the program if the thread is joinable.
+This wrapper can be used to join the thread before destroying it. 
 
 Remark: `scoped_thread` is not a __thread as __thread is not designed to be derived from as a polymorphic type.
 
@@ -312,9 +312,9 @@ any) to `*this`.
 
 [variablelist
 
-[[Effects:] [move the thread to own `t_`.]]
+[[Effects:] [Transfers ownership of the thread managed by `other` (if any) to the newly constructed scoped_thread instance.]]
 
-[[Postconditions:] [`*this.t_` refers to the newly created thread of execution and `this->get_id()!=thread::id()`.]]
+[[Postconditions:] [other.get_id()==thread::id() and get_id() returns the value of other.get_id() prior to the construction.]]
 
 [[Throws:] [Nothing]]
 
@@ -329,7 +329,7 @@ any) to `*this`.
 
 [variablelist
 
-[[Effects:] [Construct a internal thread in place.]]
+[[Effects:] [Construct an internal thread in place.]]
 
 [[Postconditions:] [`*this.t_` refers to the newly created thread of execution and `this->get_id()!=thread::id()`.]]
 

doc/sync_queues_ref.qbk

@@ -181,7 +181,7 @@ where
 
 [variablelist
 
-[[Requires:] [Q::value_type is no throw copy movable. This is needed to ensure the exception safety.]]
+[[Requires:] [Q::value_type is no throw move constructible. This is needed to ensure the exception safety.]]
 
 [[Effects:] [Waits until the queue is not empty and not closed. If the queue is empty and closed throws sync_queue_is_closed. Otherwise pull the element from the queue `q` and moves the pulled element.]]
 
@@ -206,7 +206,7 @@ where
 
 [variablelist
 
-[/[Requires:] [Q::value_type is no throw copy movable. This is needed to ensure the exception safety. ]]
+[/[Requires:] [Q::value_type is no throw move assignable. This is needed to ensure the exception safety. ]]
 
 [[Effects:] [Waits until the queue is not empty and not closed. If the queue is empty and closed throws sync_queue_is_closed. Otherwise pull the element from the queue `q` and moves the pulled element into a shared_ptr.]]
 
@@ -314,7 +314,7 @@ where
 
 [variablelist
 
-[[Effects:] [Waits until the queue is not empty and then pull the element from the queue `q` and moves the pulled element into `lve` (this could need an allocation for unbounded queues).]]
+[[Effects:] [If the queue is not empty pulls the element from the queue `q` and moves the pulled element into `lve` (this could need an allocation for unbounded queues).]]
 
 [[Synchronization:] [Prior pull-like operations on the same object synchronizes with this operation.]]
 
@@ -393,7 +393,7 @@ where
 
 [endsect]
 [/////////////////////////////////////]
-[section:nonblocking_push_back_m `s = q.nonblocking_push_back(rve());`]
+[section:nonblocking_push_back_m `s = q.nonblocking_push_back(rve);`]
 
 [variablelist
 
@@ -427,7 +427,7 @@ where
 
 [variablelist
 
-[[Effects:] [Waits until the queue is not empty and then pull the element from the queue `q` and moves the pulled element into `lve` (this could need an allocation for unbounded queues).]]
+[[Effects:] [If the queue is not empty pulls the element from the queue `q` and moves the pulled element into `lve` (this could need an allocation for unbounded queues).]]
 
 [[Synchronization:] [Prior pull-like operations on the same object synchronizes with this operation.]]
 
@@ -636,12 +636,12 @@ Closed queues add the following valid expressions
 
   namespace boost
   {
-    template <typename ValueType>
+    template <typename ValueType, class SizeType=std::size_t>
     class queue_base
     {
     public:
       typedef ValueType value_type;
-      typedef std::size_t size_type;
+      typedef SizeType size_type;
   
       // Constructors/Assignment/Destructors
       virtual ~queue_base() {};
@@ -671,7 +671,7 @@ Closed queues add the following valid expressions
   
       virtual queue_op_status wait_push_back(const value_type& x) = 0;
       virtual queue_op_status wait_push_back(BOOST_THREAD_RV_REF(value_type) x) = 0;
-      virtual queue_op_status wait_pull_front(ValueType& elem) = 0;
+      virtual queue_op_status wait_pull_front(value_type& elem) = 0;
   
     };
   }
@@ -685,11 +685,11 @@ Closed queues add the following valid expressions
   namespace boost
   {
     template <typename Queue>
-    class queue_adaptor : public queue_base<typename Queue::value_type>
+    class queue_adaptor : public queue_base<typename Queue::value_type, typename Queue::size_type>
     {
     public:
       typedef typename Queue::value_type value_type;
-      typedef std::size_t size_type;
+      typedef typename Queue::size_type size_type;
   
       // Constructors/Assignment/Destructors
   
@@ -1002,13 +1002,13 @@ Closed queues add the following valid expressions
 
   namespace boost
   {
-    template <typename ValueType>
+    template <typename ValueType, class Container = csbl::devector<ValueType>>
     class sync_queue
     {
     public:
       typedef ValueType value_type;
-      typedef csbl::deque<ValueType> underlying_queue_type;
-      typedef std::size_t size_type;
+      typedef Container underlying_queue_type;
+      typedef typename Container::size_type size_type;
 
       sync_queue(sync_queue const&) = delete;
       sync_queue& operator=(sync_queue const&) = delete;

doc/sync_tutorial.qbk

@@ -7,7 +7,9 @@
 
 [section:tutorial Tutorial]
 
-[@http://home.roadrunner.com/~hinnant/mutexes/locking.html Handling mutexes in C++] is an excellent tutorial. You need just replace std and ting by boost.
+
+[@http://web.archive.org/web/20140531071228/http://home.roadrunner.com/~hinnant/mutexes/locking.html Handling mutexes in C++] is an excellent tutorial. You need just replace std and ting by boost.
+
 
 [@http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2406.html Mutex, Lock, Condition Variable Rationale] adds rationale for the design decisions made for mutexes, locks and condition variables.
 

doc/synchronized_value_ref.qbk

@@ -88,9 +88,9 @@
       typedef T value_type;
       typedef Lockable mutex_type;
 
-      synchronized_value() noexept(is_nothrow_default_constructible<T>::value);
-      synchronized_value(T const& other) noexept(is_nothrow_copy_constructible<T>::value);
-      synchronized_value(T&& other) noexept(is_nothrow_move_constructible<T>::value);
+      synchronized_value() noexcept(is_nothrow_default_constructible<T>::value);
+      synchronized_value(T const& other) noexcept(is_nothrow_copy_constructible<T>::value);
+      synchronized_value(T&& other) noexcept(is_nothrow_move_constructible<T>::value);
       synchronized_value(synchronized_value const& rhs);
       synchronized_value(synchronized_value&& other);
 
@@ -129,7 +129,7 @@
 
 [section:constructor `synchronized_value()`]
 
-      synchronized_value() noexept(is_nothrow_default_constructible<T>::value);
+      synchronized_value() noexcept(is_nothrow_default_constructible<T>::value);
 
 [variablelist
 
@@ -145,7 +145,7 @@
 
 [section:constructor_vt `synchronized_value(T const&)`]
 
-      synchronized_value(T const& other) noexept(is_nothrow_copy_constructible<T>::value);
+      synchronized_value(T const& other) noexcept(is_nothrow_copy_constructible<T>::value);
 
 [variablelist
 
@@ -175,11 +175,11 @@
 
 [section:move_vt `synchronized_value(T&&)`]
 
-      synchronized_value(T&& other) noexept(is_nothrow_move_constructible<T>::value);
+      synchronized_value(T&& other) noexcept(is_nothrow_move_constructible<T>::value);
 
 [variablelist
 
-[[Requires:] [`T` is `CopyMovable `.]]
+[[Requires:] [`T` is `MoveConstructible `.]]
 [[Effects:] [Move constructs the cloaked value_type]]
 
 [[Throws:] [Any exception thrown by `value_type(value_type&&)`.]]
@@ -194,7 +194,7 @@
 
 [variablelist
 
-[[Requires:] [`T` is `CopyMovable `.]]
+[[Requires:] [`T` is `MoveConstructible `.]]
 [[Effects:] [Move constructs the cloaked value_type]]
 
 [[Throws:] [Any exception thrown by `value_type(value_type&&)` or `mtx_.lock()`.]]
@@ -209,7 +209,7 @@
 
 [variablelist
 
-[[Requires:] [`T` is `Assignale`.]]
+[[Requires:] [`T` is `Assignable`.]]
 [[Effects:] [Copies the underlying value on a scope protected by the two mutexes. The mutex is not copied. The locks are acquired avoiding deadlock. For example, there is no problem if one thread assigns `a = b` and the other assigns `b = a`.]]
 [[Return:] [`*this`]]
 
@@ -224,7 +224,7 @@
 
 [variablelist
 
-[[Requires:] [`T` is `Assignale`.]]
+[[Requires:] [`T` is `Assignable`.]]
 [[Effects:] [Copies the value on a scope protected by the mutex.]]
 [[Return:] [`*this`]]
 
@@ -273,7 +273,7 @@
 
 [variablelist
 
-[[Requires:] [`T` is `Assignale`.]]
+[[Requires:] [`T` is `Assignable`.]]
 [[Effects:] [Swaps the data on a scope protected by both mutex. Both mutex are acquired to avoid dead-lock. The mutexes are not swapped.]]
 
 [[Throws:] [Any exception thrown by `swap(value_, rhs.value)` or `mtx_.lock()` or `rhs_.mtx_.lock()`.]]

doc/thread.qbk

@@ -8,10 +8,10 @@
 
 [library Thread
     [quickbook 1.5]
-    [version 4.4.0]
+    [version 4.5.0]
     [authors [Williams, Anthony] [Botet Escriba, Vicente J.]]
     [copyright 2007-11 Anthony Williams]
-    [copyright 2011-14 Vicente J. Botet Escriba]
+    [copyright 2011-15 Vicente J. Botet Escriba]
     [purpose C++ Library for launching threads and synchronizing data between them]
     [category text]
     [license

doc/thread_ref.qbk

@@ -432,12 +432,14 @@ This behavior is incompatible with the current Boost.Thread design, so the use o
         class attributes; // EXTENSION
 
         thread() noexcept;
+        ~thread();
+        
         thread(const thread&) = delete;
         thread& operator=(const thread&) = delete;
 
+        // move support
         thread(thread&&) noexcept;
         thread& operator=(thread&&) noexcept;
-        ~thread();
 
         template <class F>
         explicit thread(F f);
@@ -456,10 +458,6 @@ This behavior is incompatible with the current Boost.Thread design, so the use o
         template <class F, class ...Args> 
         explicit thread(attributes& attrs, F&& f, Args&&... args);
 
-        // move support
-        thread(thread && x) noexcept;
-        thread& operator=(thread && x) noexcept;
-
         void swap(thread& x) noexcept;
 
         class id;

example/default_executor.cpp

@@ -0,0 +1,61 @@
+// Copyright (C) 2014 Vicente Botet
+//
+//  Distributed under the Boost Software License, Version 1.0. (See accompanying
+//  file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+
+#include <boost/config.hpp>
+#if ! defined  BOOST_NO_CXX11_DECLTYPE
+#define BOOST_RESULT_OF_USE_DECLTYPE
+#endif
+
+#define BOOST_THREAD_VERSION 4
+#define BOOST_THREAD_PROVIDES_EXECUTORS
+//#define BOOST_THREAD_USES_LOG
+#define BOOST_THREAD_USES_LOG_THREAD_ID
+#define BOOST_THREAD_QUEUE_DEPRECATE_OLD
+
+#include <boost/thread/caller_context.hpp>
+#include <boost/thread/executors/basic_thread_pool.hpp>
+#include <boost/thread/executors/generic_executor_ref.hpp>
+#include <string>
+#include <iostream>
+
+#include <boost/thread/caller_context.hpp>
+
+
+boost::generic_executor_ref default_executor()
+{
+  static boost::basic_thread_pool tp(4);
+  return boost::generic_executor_ref(tp);
+}
+
+void p2()
+{
+  std::cout << BOOST_CONTEXTOF << std::endl;
+  boost::this_thread::sleep_for(boost::chrono::milliseconds(200));
+  std::cout << BOOST_CONTEXTOF << std::endl;
+}
+
+
+void p1()
+{
+  std::cout << BOOST_CONTEXTOF << std::endl;
+  boost::this_thread::sleep_for(boost::chrono::milliseconds(200));
+  default_executor().submit(&p2);
+  boost::this_thread::sleep_for(boost::chrono::milliseconds(400));
+  std::cout << BOOST_CONTEXTOF << std::endl;
+}
+
+int main()
+{
+  std::cout << BOOST_CONTEXTOF << std::endl;
+
+  default_executor().submit(&p1);
+
+  boost::this_thread::sleep_for(boost::chrono::seconds(5));
+
+  std::cout << BOOST_CONTEXTOF << std::endl;
+
+  return 1;
+
+}

example/executor.cpp

@@ -7,6 +7,7 @@
 #if ! defined  BOOST_NO_CXX11_DECLTYPE
 #define BOOST_RESULT_OF_USE_DECLTYPE
 #endif
+#include <iostream>
 
 #define BOOST_THREAD_VERSION 4
 #define BOOST_THREAD_PROVIDES_EXECUTORS
@@ -17,7 +18,7 @@
 #include <boost/thread/caller_context.hpp>
 #include <boost/thread/executors/basic_thread_pool.hpp>
 #include <boost/thread/executors/loop_executor.hpp>
-#include <boost/thread/executors/serial_executor.hpp>
+#include <boost/thread/executors/generic_serial_executor.hpp>
 #include <boost/thread/executors/inline_executor.hpp>
 #include <boost/thread/executors/thread_executor.hpp>
 #include <boost/thread/executors/executor.hpp>
@@ -27,6 +28,12 @@
 #include <boost/assert.hpp>
 #include <string>
 #include <iostream>
+#include <cassert>
+
+boost::future<void> p(boost::future<void> f) {
+    assert(f.is_ready());
+    return boost::make_ready_future();
+}
 
 void p1()
 {
@@ -42,8 +49,9 @@ void p2()
 
 int f1()
 {
-  // std::cout << BOOST_CONTEXTOF << std::endl;
+  std::cout << BOOST_CONTEXTOF << std::endl;
   boost::this_thread::sleep_for(boost::chrono::seconds(1));
+  std::cout << BOOST_CONTEXTOF << std::endl;
   return 1;
 }
 int f2(int i)
@@ -65,68 +73,154 @@ void submit_some(boost::executor& tp)
 }
 
 
-void at_th_entry(boost::basic_thread_pool& )
+void at_th_entry(boost::basic_thread_pool )
 {
 
 }
 
 int test_executor_adaptor()
 {
-  // std::cout << BOOST_CONTEXTOF << std::endl;
+  std::cout << BOOST_CONTEXTOF << std::endl;
   {
     try
     {
+//      {
+//        std::cout << BOOST_CONTEXTOF << std::endl;
+//        boost::basic_thread_pool e1;
+//        std::cout << BOOST_CONTEXTOF << std::endl;
+//        boost::basic_thread_pool e2 = e1;
+//        std::cout << BOOST_CONTEXTOF << std::endl;
+//      }
       {
+        std::cout << BOOST_CONTEXTOF << std::endl;
         boost::executor_adaptor < boost::basic_thread_pool > ea(4);
+        std::cout << BOOST_CONTEXTOF << std::endl;
         submit_some( ea);
-        {
-          boost::future<int> t1 = boost::async(ea, &f1);
-          boost::future<int> t2 = boost::async(ea, &f1);
-          // std::cout << BOOST_CONTEXTOF << " t1= " << t1.get() << std::endl;
-          // std::cout << BOOST_CONTEXTOF << " t2= " << t2.get() << std::endl;
-        }
-        submit_some(ea);
-        {
-          boost::basic_thread_pool ea3(1);
-          boost::future<int> t1 = boost::async(ea3, &f1);
-          boost::future<int> t2 = boost::async(ea3, &f1);
-          //boost::future<int> t2 = boost::async(ea3, f2, 1); // todo this doesn't compiles yet on C++11
-          //boost::future<int> t2 = boost::async(ea3, boost::bind(f2, 1)); // todo this doesn't compiles yet on C++98
-          // std::cout << BOOST_CONTEXTOF << " t1= " << t1.get() << std::endl;
-          // std::cout << BOOST_CONTEXTOF << " t2= " << t2.get() << std::endl;
-        }
-        submit_some(ea);
+        std::cout << BOOST_CONTEXTOF << std::endl;
+      }
+#if 1
+      {
+        std::cout << BOOST_CONTEXTOF << std::endl;
+        boost::executor_adaptor < boost::basic_thread_pool > ea(4);
+      // fixme
+      // ERROR= tr1::bad_weak_ptr
+//        {
+//          boost::future<int> t1 = boost::async(ea, &f1);
+//          boost::future<int> t2 = boost::async(ea, &f1);
+//          std::cout << BOOST_CONTEXTOF << " t1= " << t1.get() << std::endl;
+//          std::cout << BOOST_CONTEXTOF << " t2= " << t2.get() << std::endl;
+//        }
+        std::cout << BOOST_CONTEXTOF << std::endl;
+        submit_some(ea);
+//        std::cout << BOOST_CONTEXTOF << std::endl;
+//        {
+//          boost::basic_thread_pool ea3(1);
+//          std::cout << BOOST_CONTEXTOF << std::endl;
+//          boost::future<int> t1 = boost::async(ea3, &f1);
+//          std::cout << BOOST_CONTEXTOF << std::endl;
+//          boost::future<int> t2 = boost::async(ea3, &f1);
+//          std::cout << BOOST_CONTEXTOF << std::endl;
+//          //boost::future<int> t2 = boost::async(ea3, f2, 1); // todo this doesn't compiles yet on C++11
+//          //boost::future<int> t2 = boost::async(ea3, boost::bind(f2, 1)); // todo this doesn't compiles yet on C++98
+//          std::cout << BOOST_CONTEXTOF << " t1= " << t1.get() << std::endl;
+//          std::cout << BOOST_CONTEXTOF << " t2= " << t2.get() << std::endl;
+//        }
+        std::cout << BOOST_CONTEXTOF << std::endl;
+        submit_some(ea);
+        std::cout << BOOST_CONTEXTOF << std::endl;
+      }
+#endif
+      std::cout << BOOST_CONTEXTOF << std::endl;
+      {
+        boost::loop_executor e1;
+        boost::loop_executor e2 = e1;
+        boost::executor_adaptor < boost::loop_executor > ea2(e2);
+        submit_some( ea2);
+        ea2.underlying_executor().run_queued_closures();
       }
-      // std::cout << BOOST_CONTEXTOF << std::endl;
       {
         boost::executor_adaptor < boost::loop_executor > ea2;
         submit_some( ea2);
         ea2.underlying_executor().run_queued_closures();
       }
-#if ! defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
       // std::cout << BOOST_CONTEXTOF << std::endl;
       {
-        boost::executor_adaptor < boost::basic_thread_pool > ea1(4);
-        boost::executor_adaptor < boost::serial_executor > ea2(ea1);
+        boost::basic_thread_pool tp;
+        boost::generic_serial_executor e1(tp);
+        boost::generic_serial_executor e2 = e1;
+      }
+      {
+        boost::basic_thread_pool ea1(4);
+        boost::generic_serial_executor ea2(ea1);
+        boost::executor_adaptor < boost::generic_serial_executor > ea3(ea2);
+        submit_some(ea3);
+      }
+      {
+        boost::basic_thread_pool ea1(4);
+        boost::generic_serial_executor ea2(ea1);
+        boost::executor_adaptor < boost::generic_serial_executor > ea3(ea2);
+        submit_some(ea3);
+      }
+//#if ! defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)
+      {
+        boost::basic_thread_pool ea1(4);
+        boost::executor_adaptor < boost::generic_serial_executor > ea2(ea1);
         submit_some(ea2);
       }
-#endif
+//#endif
       // std::cout << BOOST_CONTEXTOF << std::endl;
+      {
+        boost::inline_executor e1;
+        boost::inline_executor e2 = e1;
+        boost::executor_adaptor < boost::inline_executor > ea2(e2);
+        submit_some(ea2);
+      }
       {
         boost::executor_adaptor < boost::inline_executor > ea1;
         submit_some(ea1);
       }
-      // std::cout << BOOST_CONTEXTOF << std::endl;
+      std::cout << BOOST_CONTEXTOF << std::endl;
+      {
+        boost::thread_executor e1;
+        boost::thread_executor e2 = e1;
+      }
+      {
+        boost::thread_executor e1;
+        boost::executor_adaptor < boost::generic_executor > ea2(e1);
+        submit_some(ea2);
+      }
+
       {
         boost::executor_adaptor < boost::thread_executor > ea1;
         submit_some(ea1);
       }
-      // std::cout << BOOST_CONTEXTOF << std::endl;
+      std::cout << BOOST_CONTEXTOF << std::endl;
+#if 0
+      // fixme
+      // ERROR= tr1::bad_weak_ptr
       {
         boost::basic_thread_pool  ea(4, at_th_entry);
         boost::future<int> t1 = boost::async(ea, &f1);
-        // std::cout << BOOST_CONTEXTOF << " t1= " << t1.get() << std::endl;
+        std::cout << BOOST_CONTEXTOF << " t1= " << t1.get() << std::endl;
       }
+#endif
+      std::cout << BOOST_CONTEXTOF << std::endl;
+      {
+        boost::async(&f1);
+      }
+#if 0
+      // fixme
+      // ERROR= tr1::bad_weak_ptr
+
+      std::cout << BOOST_CONTEXTOF << std::endl;
+      {
+        boost::basic_thread_pool  ea(1);
+        boost::async(ea,&f1);
+      }
+#endif
+      std::cout << BOOST_CONTEXTOF << std::endl;
+      boost::this_thread::sleep_for(boost::chrono::milliseconds(200));
+      std::cout << BOOST_CONTEXTOF << std::endl;
     }
     catch (std::exception& ex)
     {
@@ -147,4 +241,19 @@ int test_executor_adaptor()
 int main()
 {
   return test_executor_adaptor();
+
+#if 0 && defined BOOST_THREAD_PROVIDES_FUTURE_CONTINUATION \
+  && defined BOOST_THREAD_PROVIDES_EXECUTORS \
+  &&  ! defined BOOST_NO_CXX11_RVALUE_REFERENCES
+
+  boost::basic_thread_pool executor;
+  // compiles
+  boost::make_ready_future().then(&p);
+
+  // ??
+  boost::make_ready_future().then(executor, &p);
+
+  // doesn't compile
+  boost::make_ready_future().then(executor, &p);
+#endif
 }

example/future_fallback_to.cpp

@@ -35,31 +35,83 @@ int p1()
 
 int main()
 {
-  const int number_of_tests = 100;
+  const int number_of_tests = 200;
   BOOST_THREAD_LOG << "<MAIN" << BOOST_THREAD_END_LOG;
+
+  {
+    for (int i=0; i< number_of_tests; i++)
+    try
+    {
+      BOOST_THREAD_LOG << "" << BOOST_THREAD_END_LOG;
+      boost::future<int> f1 = boost::async(boost::launch::async, &p1);
+      BOOST_THREAD_LOG << "" << BOOST_THREAD_END_LOG;
+      f1.wait();
+      BOOST_ASSERT(f1.get()==1);
+      BOOST_THREAD_LOG << "" << BOOST_THREAD_END_LOG;
+    }
+    catch (std::exception& ex)
+    {
+      std::cout << __FILE__ << "["<< __LINE__<<"] " << "ERRORRRRR "<<ex.what() << "" << std::endl;
+      BOOST_THREAD_LOG << "ERRORRRRR "<<ex.what() << "" << BOOST_THREAD_END_LOG;
+      return 1;
+    }
+    catch (...)
+    {
+      std::cout << __FILE__ << "["<< __LINE__<<"] " << " ERRORRRRR exception thrown" << std::endl;
+      BOOST_THREAD_LOG << " ERRORRRRR exception thrown" << BOOST_THREAD_END_LOG;
+      return 2;
+    }
+  }
+
   {
     for (int i=0; i< number_of_tests; i++)
     try
     {
-      //boost::future<int> f1 = boost::async(boost::launch::async, &p1);
       BOOST_THREAD_LOG << "" << BOOST_THREAD_END_LOG;
       boost::future<int> f1 = boost::async(&p1);
       BOOST_THREAD_LOG << "" << BOOST_THREAD_END_LOG;
       boost::future<int> f2 = f1.fallback_to(-1);
       BOOST_THREAD_LOG << "" << BOOST_THREAD_END_LOG;
       f2.wait();
+      //std::cout << __FILE__ << "["<< __LINE__<<"] " << std::endl;
       BOOST_ASSERT(f2.get()==1);
+      //std::cout << __FILE__ << "["<< __LINE__<<"] " << std::endl;
       BOOST_THREAD_LOG << "" << BOOST_THREAD_END_LOG;
     }
     catch (std::exception& ex)
     {
-      std::cout << "ERRORRRRR "<<ex.what() << "" << std::endl;
+      std::cout << __FILE__ << "["<< __LINE__<<"] " << "ERRORRRRR "<<ex.what() << "" << std::endl;
       BOOST_THREAD_LOG << "ERRORRRRR "<<ex.what() << "" << BOOST_THREAD_END_LOG;
       return 1;
     }
     catch (...)
     {
-      std::cout << " ERRORRRRR exception thrown" << std::endl;
+      std::cout << __FILE__ << "["<< __LINE__<<"] " << " ERRORRRRR exception thrown" << std::endl;
+      BOOST_THREAD_LOG << " ERRORRRRR exception thrown" << BOOST_THREAD_END_LOG;
+      return 2;
+    }
+  }
+
+  {
+    for (int i=0; i< number_of_tests; i++)
+    try
+    {
+      BOOST_THREAD_LOG << "" << BOOST_THREAD_END_LOG;
+      boost::future<int> f1 = boost::async(boost::launch::async, &p1_ex);
+      BOOST_THREAD_LOG << "" << BOOST_THREAD_END_LOG;
+      f1.wait();
+      BOOST_ASSERT(f1.get_or(-1)==-1);
+      BOOST_THREAD_LOG << "" << BOOST_THREAD_END_LOG;
+    }
+    catch (std::exception& ex)
+    {
+      std::cout << __FILE__ << "["<< __LINE__<<"] " << "ERRORRRRR "<<ex.what() << "" << std::endl;
+      BOOST_THREAD_LOG << "ERRORRRRR "<<ex.what() << "" << BOOST_THREAD_END_LOG;
+      return 1;
+    }
+    catch (...)
+    {
+      std::cout << __FILE__ << "["<< __LINE__<<"] " << " ERRORRRRR exception thrown" << std::endl;
       BOOST_THREAD_LOG << " ERRORRRRR exception thrown" << BOOST_THREAD_END_LOG;
       return 2;
     }
@@ -75,18 +127,20 @@ int main()
       boost::future<int> f2 = f1.fallback_to(-1);
       BOOST_THREAD_LOG << "" << BOOST_THREAD_END_LOG;
       f2.wait();
+      //std::cout << __FILE__ << "["<< __LINE__<<"] " << std::endl;
       BOOST_ASSERT(f2.get()==-1);
+      //std::cout << __FILE__ << "["<< __LINE__<<"] " << std::endl;
       BOOST_THREAD_LOG << "" << BOOST_THREAD_END_LOG;
     }
     catch (std::exception& ex)
     {
-      std::cout << "ERRORRRRR "<<ex.what() << "" << std::endl;
+      std::cout << __FILE__ << "["<< __LINE__<<"] " << "ERRORRRRR "<<ex.what() << "" << std::endl;
       BOOST_THREAD_LOG << "ERRORRRRR "<<ex.what() << "" << BOOST_THREAD_END_LOG;
       return 1;
     }
     catch (...)
     {
-      std::cout << " ERRORRRRR exception thrown" << std::endl;
+      std::cout << __FILE__ << "["<< __LINE__<<"] " << " ERRORRRRR exception thrown" << std::endl;
       BOOST_THREAD_LOG << " ERRORRRRR exception thrown" << BOOST_THREAD_END_LOG;
       return 2;
     }

example/future_when_all.cpp

@@ -58,6 +58,8 @@ int p2(boost::future<int> f)
   }
   BOOST_THREAD_LOG
     << "P2>" << BOOST_THREAD_END_LOG;
+  return 0;
+
 }
 int p2s(boost::shared_future<int> f)
 {
@@ -81,6 +83,7 @@ int p2s(boost::shared_future<int> f)
   }
   BOOST_THREAD_LOG
     << "P2>" << BOOST_THREAD_END_LOG;
+  return 0;
 }
 
 int main()

example/generic_executor.cpp

@@ -0,0 +1,184 @@
+// Copyright (C) 2014 Vicente Botet
+//
+//  Distributed under the Boost Software License, Version 1.0. (See accompanying
+//  file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+
+#include <boost/config.hpp>
+#if ! defined  BOOST_NO_CXX11_DECLTYPE
+#define BOOST_RESULT_OF_USE_DECLTYPE
+#endif
+
+#define BOOST_THREAD_VERSION 4
+#define BOOST_THREAD_PROVIDES_EXECUTORS
+//#define BOOST_THREAD_USES_LOG
+#define BOOST_THREAD_USES_LOG_THREAD_ID
+#define BOOST_THREAD_QUEUE_DEPRECATE_OLD
+
+#include <boost/thread/caller_context.hpp>
+#include <boost/thread/executors/basic_thread_pool.hpp>
+#include <boost/thread/executors/loop_executor.hpp>
+#include <boost/thread/executors/generic_serial_executor.hpp>
+#include <boost/thread/executors/serial_executor.hpp>
+#include <boost/thread/executors/inline_executor.hpp>
+#include <boost/thread/executors/thread_executor.hpp>
+#include <boost/thread/executors/executor.hpp>
+#include <boost/thread/executors/executor_adaptor.hpp>
+#include <boost/thread/executors/generic_executor.hpp>
+#include <boost/thread/executor.hpp>
+#include <boost/thread/future.hpp>
+#include <boost/assert.hpp>
+#include <string>
+#include <iostream>
+
+void p1()
+{
+  // std::cout << BOOST_CONTEXTOF << std::endl;
+  //boost::this_thread::sleep_for(boost::chrono::milliseconds(200));
+}
+
+void p2()
+{
+  // std::cout << BOOST_CONTEXTOF << std::endl;
+  //boost::this_thread::sleep_for(boost::chrono::seconds(10));
+}
+
+int f1()
+{
+  // std::cout << BOOST_CONTEXTOF << std::endl;
+  boost::this_thread::sleep_for(boost::chrono::seconds(1));
+  return 1;
+}
+int f2(int i)
+{
+  // std::cout << BOOST_CONTEXTOF << std::endl;
+  boost::this_thread::sleep_for(boost::chrono::seconds(2));
+  return i + 1;
+}
+
+void submit_some(boost::generic_executor tp)
+{
+  for (int i = 0; i < 3; ++i) {
+    tp.submit(&p2);
+  }
+  for (int i = 0; i < 3; ++i) {
+    tp.submit(&p1);
+  }
+
+}
+
+template < class Executor>
+void submit_some2(Executor& tp)
+{
+  for (int i = 0; i < 3; ++i) {
+    tp.submit(&p2);
+  }
+  for (int i = 0; i < 3; ++i) {
+    tp.submit(&p1);
+  }
+
+}
+
+template <class Executor>
+void submit_some3(boost::serial_executor<Executor>& tp)
+{
+  for (int i = 0; i < 3; ++i) {
+    tp.submit(&p2);
+  }
+  for (int i = 0; i < 3; ++i) {
+    tp.submit(&p1);
+  }
+}
+
+void at_th_entry(boost::basic_thread_pool)
+{
+
+}
+
+
+
+int test_generic_executor()
+{
+  // std::cout << BOOST_CONTEXTOF << std::endl;
+  {
+    try
+    {
+      {
+        boost::basic_thread_pool ea(4);
+        submit_some( ea);
+//        {
+//          boost::future<int> t1 = boost::async(ea, &f1);
+//          boost::future<int> t2 = boost::async(ea, &f1);
+//          // std::cout << BOOST_CONTEXTOF << " t1= " << t1.get() << std::endl;
+//          // std::cout << BOOST_CONTEXTOF << " t2= " << t2.get() << std::endl;
+//        }
+        submit_some(ea);
+//        {
+//          boost::basic_thread_pool ea3(1);
+//          boost::future<int> t1 = boost::async(ea3, &f1);
+//          boost::future<int> t2 = boost::async(ea3, &f1);
+//          //boost::future<int> t2 = boost::async(ea3, f2, 1); // todo this doesn't compiles yet on C++11
+//          //boost::future<int> t2 = boost::async(ea3, boost::bind(f2, 1)); // todo this doesn't compiles yet on C++98
+//          // std::cout << BOOST_CONTEXTOF << " t1= " << t1.get() << std::endl;
+//          // std::cout << BOOST_CONTEXTOF << " t2= " << t2.get() << std::endl;
+//        }
+        submit_some(ea);
+      }
+      // std::cout << BOOST_CONTEXTOF << std::endl;
+      {
+        boost::loop_executor ea2;
+        submit_some( ea2);
+        ea2.run_queued_closures();
+      }
+#if ! defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
+//      // std::cout << BOOST_CONTEXTOF << std::endl;
+//      {
+//        boost::basic_thread_pool ea1(4);
+//        boost::generic_serial_executor ea2(ea1);
+//        submit_some(ea2);
+//      }
+      // std::cout << BOOST_CONTEXTOF << std::endl;
+      {
+        boost::basic_thread_pool ea1(4);
+        boost::serial_executor<boost::basic_thread_pool> ea2(ea1);
+        submit_some3(ea2);
+      }
+#endif
+      // std::cout << BOOST_CONTEXTOF << std::endl;
+      {
+        boost::inline_executor ea1;
+        submit_some(ea1);
+      }
+      // std::cout << BOOST_CONTEXTOF << std::endl;
+      {
+        //boost::thread_executor ea1;
+        //submit_some(ea1);
+      }
+      // std::cout << BOOST_CONTEXTOF << std::endl;
+//      {
+//        boost::basic_thread_pool  ea(4, at_th_entry);
+//        boost::future<int> t1 = boost::async(ea, &f1);
+//        // std::cout << BOOST_CONTEXTOF << " t1= " << t1.get() << std::endl;
+//      }
+    }
+    catch (std::exception& ex)
+    {
+      std::cout << "ERROR= " << ex.what() << "" << std::endl;
+      return 1;
+    }
+    catch (...)
+    {
+      std::cout << " ERROR= exception thrown" << std::endl;
+      return 2;
+    }
+  }
+  // std::cout << BOOST_CONTEXTOF << std::endl;
+  return 0;
+}
+
+
+int main()
+{
+  return test_generic_executor();
+
+
+}

example/generic_executor_ref.cpp

@@ -17,11 +17,12 @@
 #include <boost/thread/caller_context.hpp>
 #include <boost/thread/executors/basic_thread_pool.hpp>
 #include <boost/thread/executors/loop_executor.hpp>
-#include <boost/thread/executors/serial_executor.hpp>
+#include <boost/thread/executors/generic_serial_executor.hpp>
 #include <boost/thread/executors/inline_executor.hpp>
 #include <boost/thread/executors/thread_executor.hpp>
 #include <boost/thread/executors/executor.hpp>
 #include <boost/thread/executors/executor_adaptor.hpp>
+#include <boost/thread/executors/generic_executor_ref.hpp>
 #include <boost/thread/executor.hpp>
 #include <boost/thread/future.hpp>
 #include <boost/assert.hpp>
@@ -64,7 +65,7 @@ void submit_some(boost::generic_executor_ref tp)
 
 }
 
-void at_th_entry(boost::basic_thread_pool& )
+void at_th_entry(boost::basic_thread_pool)
 {
 
 }
@@ -73,61 +74,71 @@ void at_th_entry(boost::basic_thread_pool& )
 
 int test_generic_executor_ref()
 {
-  // std::cout << BOOST_CONTEXTOF << std::endl;
+  std::cout << BOOST_CONTEXTOF << std::endl;
   {
     try
     {
       {
         boost::basic_thread_pool ea(4);
         submit_some( ea);
-        {
-          boost::future<int> t1 = boost::async(ea, &f1);
-          boost::future<int> t2 = boost::async(ea, &f1);
-          // std::cout << BOOST_CONTEXTOF << " t1= " << t1.get() << std::endl;
-          // std::cout << BOOST_CONTEXTOF << " t2= " << t2.get() << std::endl;
-        }
-        submit_some(ea);
-        {
-          boost::basic_thread_pool ea3(1);
-          boost::future<int> t1 = boost::async(ea3, &f1);
-          boost::future<int> t2 = boost::async(ea3, &f1);
-          //boost::future<int> t2 = boost::async(ea3, f2, 1); // todo this doesn't compiles yet on C++11
-          //boost::future<int> t2 = boost::async(ea3, boost::bind(f2, 1)); // todo this doesn't compiles yet on C++98
-          // std::cout << BOOST_CONTEXTOF << " t1= " << t1.get() << std::endl;
-          // std::cout << BOOST_CONTEXTOF << " t2= " << t2.get() << std::endl;
-        }
+//        {
+//          boost::future<int> t1 = boost::async(ea, &f1);
+//          boost::future<int> t2 = boost::async(ea, &f1);
+//          std::cout << BOOST_CONTEXTOF << " t1= " << t1.get() << std::endl;
+//          std::cout << BOOST_CONTEXTOF << " t2= " << t2.get() << std::endl;
+//        }
+//        submit_some(ea);
+//        {
+//          boost::basic_thread_pool ea3(1);
+//          boost::future<int> t1 = boost::async(ea3, &f1);
+//          boost::future<int> t2 = boost::async(ea3, &f1);
+//          //boost::future<int> t2 = boost::async(ea3, f2, 1); // todo this doesn't compiles yet on C++11
+//          //boost::future<int> t2 = boost::async(ea3, boost::bind(f2, 1)); // todo this doesn't compiles yet on C++98
+//          std::cout << BOOST_CONTEXTOF << " t1= " << t1.get() << std::endl;
+//          std::cout << BOOST_CONTEXTOF << " t2= " << t2.get() << std::endl;
+//        }
         submit_some(ea);
       }
-      // std::cout << BOOST_CONTEXTOF << std::endl;
+      std::cout << BOOST_CONTEXTOF << std::endl;
       {
         boost::loop_executor ea2;
         submit_some( ea2);
         ea2.run_queued_closures();
       }
 #if ! defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
-      // std::cout << BOOST_CONTEXTOF << std::endl;
+      std::cout << BOOST_CONTEXTOF << std::endl;
       {
         boost::basic_thread_pool ea1(4);
-        boost::serial_executor ea2(ea1);
+        boost::generic_serial_executor ea2(ea1);
         submit_some(ea2);
       }
 #endif
-      // std::cout << BOOST_CONTEXTOF << std::endl;
+      std::cout << BOOST_CONTEXTOF << std::endl;
       {
         boost::inline_executor ea1;
         submit_some(ea1);
       }
-      // std::cout << BOOST_CONTEXTOF << std::endl;
+      std::cout << BOOST_CONTEXTOF << std::endl;
       {
         //boost::thread_executor ea1;
         //submit_some(ea1);
       }
-      // std::cout << BOOST_CONTEXTOF << std::endl;
-      {
-        boost::basic_thread_pool  ea(4, at_th_entry);
-        boost::future<int> t1 = boost::async(ea, &f1);
-        // std::cout << BOOST_CONTEXTOF << " t1= " << t1.get() << std::endl;
-      }
+//      std::cout << BOOST_CONTEXTOF << std::endl;
+//      {
+//        boost::basic_thread_pool  ea(4, at_th_entry);
+//        boost::future<int> t1 = boost::async(ea, &f1);
+//        std::cout << BOOST_CONTEXTOF << " t1= " << t1.get() << std::endl;
+//      }
+//      std::cout << BOOST_CONTEXTOF << std::endl;
+//      {
+//        boost::basic_thread_pool  ea(4, at_th_entry);
+//        boost::async(ea, &f1);
+//        std::cout << BOOST_CONTEXTOF << std::endl;
+//      }
+      std::cout << BOOST_CONTEXTOF << std::endl;
+      boost::this_thread::sleep_for(boost::chrono::milliseconds(200));
+      std::cout << BOOST_CONTEXTOF << std::endl;
+
     }
     catch (std::exception& ex)
     {

example/generic_serial_executor.cpp

@@ -0,0 +1,117 @@
+// Copyright (C) 2015 Vicente J. Botet Escriba
+//
+//  Distributed under the Boost Software License, Version 1.0. (See accompanying
+//  file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+
+#include <boost/config.hpp>
+#if ! defined  BOOST_NO_CXX11_DECLTYPE
+#define BOOST_RESULT_OF_USE_DECLTYPE
+#endif
+
+#define BOOST_THREAD_VERSION 4
+#define BOOST_THREAD_PROVIDES_EXECUTORS
+//#define BOOST_THREAD_USES_LOG
+#define BOOST_THREAD_USES_LOG_THREAD_ID
+#define BOOST_THREAD_QUEUE_DEPRECATE_OLD
+
+#include <boost/thread/caller_context.hpp>
+#include <boost/thread/executors/basic_thread_pool.hpp>
+#include <boost/thread/executors/generic_serial_executor.hpp>
+#include <boost/thread/executors/executor.hpp>
+#include <boost/thread/executors/executor_adaptor.hpp>
+#include <boost/thread/executor.hpp>
+#include <boost/thread/future.hpp>
+#include <boost/assert.hpp>
+#include <string>
+#include <iostream>
+
+void p1()
+{
+  std::cout << BOOST_CONTEXTOF << std::endl;
+  boost::this_thread::sleep_for(boost::chrono::milliseconds(30));
+  std::cout << BOOST_CONTEXTOF << std::endl;
+}
+
+void p2()
+{
+  std::cout << BOOST_CONTEXTOF << std::endl;
+  boost::this_thread::sleep_for(boost::chrono::milliseconds(10));
+  std::cout << BOOST_CONTEXTOF << std::endl;
+}
+
+int f1()
+{
+  // std::cout << BOOST_CONTEXTOF << std::endl;
+  boost::this_thread::sleep_for(boost::chrono::seconds(1));
+  return 1;
+}
+int f2(int i)
+{
+  // std::cout << BOOST_CONTEXTOF << std::endl;
+  boost::this_thread::sleep_for(boost::chrono::seconds(2));
+  return i + 1;
+}
+
+void submit_some(boost::generic_serial_executor& tp)
+{
+  //std::cout << BOOST_CONTEXTOF << std::endl;
+  for (int i = 0; i < 3; ++i) {
+    //std::cout << BOOST_CONTEXTOF << std::endl;
+    tp.submit(&p2);
+  }
+  for (int i = 0; i < 3; ++i) {
+    //std::cout << BOOST_CONTEXTOF << std::endl;
+    tp.submit(&p1);
+  }
+  //std::cout << BOOST_CONTEXTOF << std::endl;
+}
+
+
+void at_th_entry(boost::basic_thread_pool )
+{
+
+}
+
+int test_executor_adaptor()
+{
+  std::cout << BOOST_CONTEXTOF << std::endl;
+  {
+     boost::basic_thread_pool tp;
+     boost::generic_serial_executor e1(tp);
+     boost::generic_serial_executor e2 = e1;
+  }
+  std::cout << BOOST_CONTEXTOF << std::endl;
+  {
+    try
+    {
+
+#if ! defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
+      // std::cout << BOOST_CONTEXTOF << std::endl;
+      {
+        boost::basic_thread_pool ea1(4);
+        boost::generic_serial_executor ea2(ea1);
+        submit_some(ea2);
+      }
+#endif
+      // std::cout << BOOST_CONTEXTOF << std::endl;
+    }
+    catch (std::exception& ex)
+    {
+      std::cout << "ERROR= " << ex.what() << "" << std::endl;
+      return 1;
+    }
+    catch (...)
+    {
+      std::cout << " ERROR= exception thrown" << std::endl;
+      return 2;
+    }
+  }
+  // std::cout << BOOST_CONTEXTOF << std::endl;
+  return 0;
+}
+
+
+int main()
+{
+  return test_executor_adaptor();
+}

example/generic_serial_executor_cont.cpp

@@ -0,0 +1,124 @@
+// Copyright (C) 2015 Vicente J. Botet Escriba
+//
+//  Distributed under the Boost Software License, Version 1.0. (See accompanying
+//  file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+
+#include <boost/config.hpp>
+#if ! defined  BOOST_NO_CXX11_DECLTYPE
+#define BOOST_RESULT_OF_USE_DECLTYPE
+#endif
+
+#define BOOST_THREAD_VERSION 4
+#define BOOST_THREAD_PROVIDES_EXECUTORS
+//#define BOOST_THREAD_USES_LOG
+#define BOOST_THREAD_USES_LOG_THREAD_ID
+#define BOOST_THREAD_QUEUE_DEPRECATE_OLD
+
+#include <boost/thread/caller_context.hpp>
+#include <boost/thread/executors/basic_thread_pool.hpp>
+#include <boost/thread/executors/generic_serial_executor_cont.hpp>
+#include <boost/thread/executors/executor.hpp>
+#include <boost/thread/executors/executor_adaptor.hpp>
+#include <boost/thread/executor.hpp>
+#include <boost/thread/future.hpp>
+#include <boost/assert.hpp>
+#include <string>
+#include <iostream>
+
+void p1()
+{
+  std::cout << BOOST_CONTEXTOF << std::endl;
+  boost::this_thread::sleep_for(boost::chrono::milliseconds(30));
+  std::cout << BOOST_CONTEXTOF << std::endl;
+}
+
+void p2()
+{
+  std::cout << BOOST_CONTEXTOF << std::endl;
+  boost::this_thread::sleep_for(boost::chrono::milliseconds(10));
+  std::cout << BOOST_CONTEXTOF << std::endl;
+}
+
+int f1()
+{
+  // std::cout << BOOST_CONTEXTOF << std::endl;
+  boost::this_thread::sleep_for(boost::chrono::seconds(1));
+  return 1;
+}
+int f2(int i)
+{
+  // std::cout << BOOST_CONTEXTOF << std::endl;
+  boost::this_thread::sleep_for(boost::chrono::seconds(2));
+  return i + 1;
+}
+
+void submit_some(boost::generic_serial_executor_cont& tp)
+{
+  //std::cout << BOOST_CONTEXTOF << std::endl;
+  for (int i = 0; i < 3; ++i) {
+    //std::cout << BOOST_CONTEXTOF << std::endl;
+    tp.submit(&p2);
+  }
+  for (int i = 0; i < 3; ++i) {
+    //std::cout << BOOST_CONTEXTOF << std::endl;
+    tp.submit(&p1);
+  }
+  //std::cout << BOOST_CONTEXTOF << std::endl;
+
+}
+
+
+void at_th_entry(boost::basic_thread_pool)
+{
+
+}
+
+int test_executor_adaptor()
+{
+  std::cout << BOOST_CONTEXTOF << std::endl;
+  {
+     boost::basic_thread_pool tp;
+     std::cout << BOOST_CONTEXTOF << std::endl;
+     boost::generic_serial_executor_cont e1(tp);
+     std::cout << BOOST_CONTEXTOF << std::endl;
+     boost::generic_serial_executor_cont e2 = e1;
+     std::cout << BOOST_CONTEXTOF << std::endl;
+  }
+   std::cout << BOOST_CONTEXTOF << std::endl;
+  {
+    try
+    {
+
+#if ! defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
+       std::cout << BOOST_CONTEXTOF << std::endl;
+      {
+        boost::basic_thread_pool ea1(4);
+        std::cout << BOOST_CONTEXTOF << std::endl;
+        boost::generic_serial_executor_cont ea2(ea1);
+        std::cout << BOOST_CONTEXTOF << std::endl;
+        submit_some(ea2);
+        std::cout << BOOST_CONTEXTOF << std::endl;
+      }
+#endif
+      std::cout << BOOST_CONTEXTOF << std::endl;
+    }
+    catch (std::exception& ex)
+    {
+      std::cout << "ERROR= " << ex.what() << "" << std::endl;
+      return 1;
+    }
+    catch (...)
+    {
+      std::cout << " ERROR= exception thrown" << std::endl;
+      return 2;
+    }
+  }
+  // std::cout << BOOST_CONTEXTOF << std::endl;
+  return 0;
+}
+
+
+int main()
+{
+  return test_executor_adaptor();
+}

example/lambda_future.cpp

@@ -42,6 +42,14 @@ int main()
       int result = f2.get();
       BOOST_THREAD_LOG << "f2 " << result << BOOST_THREAD_END_LOG;
     }
+#if ! defined    BOOST_NO_CXX14_GENERIC_LAMBDAS
+    {
+      boost::future<int> f1 = boost::async(boost::launch::async, []() {return 123;});
+      boost::future<int> f2 = f1.then([](auto f)  {return 2*f.get(); });
+      int result = f2.get();
+      BOOST_THREAD_LOG << "f2 " << result << BOOST_THREAD_END_LOG;
+    }
+#endif
   }
   catch (std::exception& ex)
   {

example/make_future.cpp

@@ -94,6 +94,11 @@ int main()
     f.get();
   }
 #endif
+  {
+    std::cout << __FILE__ << " "<< __LINE__ << std::endl;
+    boost::future<int> f = compute(-1);
+    f.wait();
+  }
   {
     std::cout << __FILE__ << " "<< __LINE__ << std::endl;
     boost::future<int> f = compute(0);
@@ -104,11 +109,31 @@ int main()
     boost::future<int&> f = compute_ref(0);
     std::cout << f.get() << std::endl;
   }
-//  {
-//    std::cout << __FILE__ << " "<< __LINE__ << std::endl;
-//    boost::future<int> f = compute(2);
-//    std::cout << f.get() << std::endl;
-//  }
+#if __cplusplus > 201103L
+  {
+    std::cout << __FILE__ << " "<< __LINE__ << std::endl;
+    int i = 0;
+    boost::future<int&> f = boost::make_ready_future(std::ref(i));
+    std::cout << f.get() << std::endl;
+  }
+#endif
+  {
+    std::cout << __FILE__ << " "<< __LINE__ << std::endl;
+    int i = 0;
+    boost::future<int&> f = boost::make_ready_future(boost::ref(i));
+    std::cout << f.get() << std::endl;
+  }
+  {
+    std::cout << __FILE__ << " "<< __LINE__ << std::endl;
+    const int i = 0;
+    boost::future<int const&> f = boost::make_ready_future(boost::cref(i));
+    std::cout << f.get() << std::endl;
+  }
+  {
+    std::cout << __FILE__ << " "<< __LINE__ << std::endl;
+    boost::future<int> f = compute(2);
+    std::cout << f.get() << std::endl;
+  }
   {
     std::cout << __FILE__ << " "<< __LINE__ << std::endl;
     boost::shared_future<int> f = shared_compute(0);

example/producer_consumer.cpp

@@ -24,7 +24,7 @@
 #endif
 #include <boost/thread/concurrent_queues/sync_queue.hpp>
 
-void producer(the_ostream &mos, boost::sync_queue<int> & sbq)
+void producer(the_ostream & /*mos*/, boost::sync_queue<int> & sbq)
 {
   using namespace boost;
   try {
@@ -32,22 +32,22 @@ void producer(the_ostream &mos, boost::sync_queue<int> & sbq)
     {
       sbq.push(i);
       //sbq << i;
-      mos << "push(" << i << ") "<< sbq.size()<<"\n";
+      //mos << "push(" << i << ") "<< sbq.size()<<"\n";
       this_thread::sleep_for(chrono::milliseconds(200));
     }
   }
   catch(sync_queue_is_closed&)
   {
-    mos << "closed !!!\n";
+    //mos << "closed !!!\n";
   }
   catch(...)
   {
-    mos << "exception !!!\n";
+    //mos << "exception !!!\n";
   }
 }
 
 void consumer(
-    the_ostream &mos,
+    the_ostream & /*mos*/,
     boost::sync_queue<int> & sbq)
 {
   using namespace boost;
@@ -57,21 +57,21 @@ void consumer(
       int r;
       sbq.pull(r);
       //sbq >> r;
-      mos << i << " pull(" << r << ") "<< sbq.size()<<"\n";
+      //mos << i << " pull(" << r << ") "<< sbq.size()<<"\n";
 
       this_thread::sleep_for(chrono::milliseconds(250));
     }
   }
   catch(sync_queue_is_closed&)
   {
-    mos << "closed !!!\n";
+    //mos << "closed !!!\n";
   }
   catch(...)
   {
-    mos << "exception !!!\n";
+    //mos << "exception !!!\n";
   }
 }
-void consumer2(the_ostream &mos, boost::sync_queue<int> & sbq)
+void consumer2(the_ostream &/*mos*/, boost::sync_queue<int> & sbq)
 {
   using namespace boost;
   try {
@@ -81,17 +81,17 @@ void consumer2(the_ostream &mos, boost::sync_queue<int> & sbq)
       queue_op_status st = sbq.try_pull(r);
       if (queue_op_status::closed == st) break;
       if (queue_op_status::success == st) {
-        mos << i << " pull(" << r << ")\n";
+        //mos << i << " pull(" << r << ")\n";
       }
       this_thread::sleep_for(chrono::milliseconds(250));
     }
   }
   catch(...)
   {
-    mos << "exception !!!\n";
+    //mos << "exception !!!\n";
   }
 }
-void consumer3(the_ostream &mos, boost::sync_queue<int> & sbq)
+void consumer3(the_ostream &/*mos*/, boost::sync_queue<int> & sbq)
 {
   using namespace boost;
   try {
@@ -100,13 +100,13 @@ void consumer3(the_ostream &mos, boost::sync_queue<int> & sbq)
       int r;
       queue_op_status res = sbq.wait_pull(r);
       if (res==queue_op_status::closed) break;
-      mos << i << " wait_pull(" << r << ")\n";
+      //mos << i << " wait_pull(" << r << ")\n";
       this_thread::sleep_for(chrono::milliseconds(250));
     }
   }
   catch(...)
   {
-    mos << "exception !!!\n";
+    //mos << "exception !!!\n";
   }
 }
 

example/producer_consumer2.cpp

@@ -27,7 +27,7 @@
 #include <boost/static_assert.hpp>
 #include <boost/type_traits.hpp>
 
-void producer(the_ostream &mos, boost::queue_back<int> sbq)
+void producer(the_ostream &/*mos*/, boost::queue_back<int> sbq)
 {
   using namespace boost;
   try {
@@ -35,22 +35,22 @@ void producer(the_ostream &mos, boost::queue_back<int> sbq)
     {
       sbq.push(i);
       //sbq << i;
-      mos << "push(" << i << ") " << sbq.size() <<"\n";
+      //mos << "push(" << i << ") " << sbq.size() <<"\n";
       this_thread::sleep_for(chrono::milliseconds(200));
     }
   }
   catch(sync_queue_is_closed&)
   {
-    mos << "closed !!!\n";
+    //mos << "closed !!!\n";
   }
   catch(...)
   {
-    mos << "exception !!!\n";
+    //mos << "exception !!!\n";
   }
 }
 
 void consumer(
-    the_ostream &mos,
+    the_ostream &/*mos*/,
     boost::queue_front<int> sbq)
 {
   using namespace boost;
@@ -60,21 +60,21 @@ void consumer(
       int r;
       sbq.pull(r);
       //sbq >> r;
-      mos << i << " pull(" << r << ") " << sbq.size()  <<"\n";
+      //mos << i << " pull(" << r << ") " << sbq.size()  <<"\n";
 
       this_thread::sleep_for(chrono::milliseconds(250));
     }
   }
   catch(sync_queue_is_closed&)
   {
-    mos << "closed !!!\n";
+    //mos << "closed !!!\n";
   }
   catch(...)
   {
-    mos << "exception !!!\n";
+    //mos << "exception !!!\n";
   }
 }
-void consumer2(the_ostream &mos, boost::queue_front<int> sbq)
+void consumer2(the_ostream &/*mos*/, boost::queue_front<int> sbq)
 {
   using namespace boost;
   try {
@@ -84,17 +84,17 @@ void consumer2(the_ostream &mos, boost::queue_front<int> sbq)
       queue_op_status st = sbq.try_pull(r);
       if (queue_op_status::closed == st) break;
       if (queue_op_status::success == st) {
-        mos << i << " try_pull(" << r << ")\n";
+        //mos << i << " try_pull(" << r << ")\n";
       }
       this_thread::sleep_for(chrono::milliseconds(250));
     }
   }
   catch(...)
   {
-    mos << "exception !!!\n";
+    //mos << "exception !!!\n";
   }
 }
-void consumer3(the_ostream &mos, boost::queue_front<int> sbq)
+void consumer3(the_ostream &/*mos*/, boost::queue_front<int> sbq)
 {
   using namespace boost;
   try {
@@ -103,13 +103,13 @@ void consumer3(the_ostream &mos, boost::queue_front<int> sbq)
       int r;
       queue_op_status res = sbq.wait_pull(r);
       if (res==queue_op_status::closed) break;
-      mos << i << " wait_pull(" << r << ")\n";
+      //mos << i << " wait_pull(" << r << ")\n";
       this_thread::sleep_for(chrono::milliseconds(250));
     }
   }
   catch(...)
   {
-    mos << "exception !!!\n";
+    //mos << "exception !!!\n";
   }
 }
 

example/recursive_mutex.cpp

@@ -32,7 +32,7 @@ counter c;
 
 void change_count()
 {
-    std::cout << "count == " << c.increment() << std::endl;
+    //std::cout << "count == " << c.increment() << std::endl;
 }
 
 int main(int, char*[])

example/serial_executor.cpp

@@ -0,0 +1,106 @@
+// Copyright (C) 2015 Vicente J. Botet Escriba
+//
+//  Distributed under the Boost Software License, Version 1.0. (See accompanying
+//  file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+
+#include <boost/config.hpp>
+#if ! defined  BOOST_NO_CXX11_DECLTYPE
+#define BOOST_RESULT_OF_USE_DECLTYPE
+#endif
+
+#define BOOST_THREAD_VERSION 4
+#define BOOST_THREAD_PROVIDES_EXECUTORS
+//#define BOOST_THREAD_USES_LOG
+#define BOOST_THREAD_USES_LOG_THREAD_ID
+#define BOOST_THREAD_QUEUE_DEPRECATE_OLD
+
+#include <boost/thread/caller_context.hpp>
+#include <boost/thread/executors/basic_thread_pool.hpp>
+#include <boost/thread/executors/serial_executor.hpp>
+#include <boost/thread/executors/executor.hpp>
+#include <boost/thread/executors/executor_adaptor.hpp>
+#include <boost/thread/executor.hpp>
+#include <boost/thread/future.hpp>
+#include <boost/assert.hpp>
+#include <string>
+#include <iostream>
+
+void p1()
+{
+  //std::cout << BOOST_CONTEXTOF << std::endl;
+  boost::this_thread::sleep_for(boost::chrono::milliseconds(30));
+  //std::cout << BOOST_CONTEXTOF << std::endl;
+}
+
+void p2()
+{
+  //std::cout << BOOST_CONTEXTOF << std::endl;
+  boost::this_thread::sleep_for(boost::chrono::milliseconds(10));
+  //std::cout << BOOST_CONTEXTOF << std::endl;
+}
+
+int f1()
+{
+  // std::cout << BOOST_CONTEXTOF << std::endl;
+  boost::this_thread::sleep_for(boost::chrono::seconds(1));
+  return 1;
+}
+int f2(int i)
+{
+  // std::cout << BOOST_CONTEXTOF << std::endl;
+  boost::this_thread::sleep_for(boost::chrono::seconds(2));
+  return i + 1;
+}
+template <class Executor>
+void submit_some(boost::serial_executor<Executor>& tp)
+{
+  for (int i = 0; i < 3; ++i) {
+    std::cout << BOOST_CONTEXTOF << std::endl;
+    tp.submit(&p2);
+  }
+  for (int i = 0; i < 3; ++i) {
+    std::cout << BOOST_CONTEXTOF << std::endl;
+    tp.submit(&p1);
+  }
+
+}
+
+
+void at_th_entry(boost::basic_thread_pool& )
+{
+
+}
+
+int test_executor_adaptor()
+{
+  {
+    try
+    {
+
+#if ! defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
+      {
+        boost::basic_thread_pool ea1(4);
+        boost::serial_executor<boost::basic_thread_pool> ea2(ea1);
+        submit_some(ea2);
+      }
+#endif
+    }
+    catch (std::exception& ex)
+    {
+      std::cout << "ERROR= " << ex.what() << "" << std::endl;
+      return 1;
+    }
+    catch (...)
+    {
+      std::cout << " ERROR= exception thrown" << std::endl;
+      return 2;
+    }
+  }
+  return 0;
+}
+
+
+int main()
+{
+  return test_executor_adaptor();
+}

example/serial_executor_cont.cpp

@@ -0,0 +1,113 @@
+// Copyright (C) 2015 Vicente J. Botet Escriba
+//
+//  Distributed under the Boost Software License, Version 1.0. (See accompanying
+//  file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+
+#include <boost/config.hpp>
+#if ! defined  BOOST_NO_CXX11_DECLTYPE
+#define BOOST_RESULT_OF_USE_DECLTYPE
+#endif
+
+#define BOOST_THREAD_VERSION 4
+#define BOOST_THREAD_PROVIDES_EXECUTORS
+//#define BOOST_THREAD_USES_LOG
+#define BOOST_THREAD_USES_LOG_THREAD_ID
+#define BOOST_THREAD_QUEUE_DEPRECATE_OLD
+
+#include <boost/thread/caller_context.hpp>
+#include <boost/thread/executors/basic_thread_pool.hpp>
+#include <boost/thread/executors/serial_executor_cont.hpp>
+#include <boost/thread/executors/executor.hpp>
+#include <boost/thread/executors/executor_adaptor.hpp>
+#include <boost/thread/executor.hpp>
+#include <boost/thread/future.hpp>
+#include <boost/assert.hpp>
+#include <string>
+#include <iostream>
+
+void p1()
+{
+  std::cout << BOOST_CONTEXTOF << std::endl;
+  boost::this_thread::sleep_for(boost::chrono::milliseconds(30));
+  std::cout << BOOST_CONTEXTOF << std::endl;
+}
+
+void p2()
+{
+  std::cout << BOOST_CONTEXTOF << std::endl;
+  boost::this_thread::sleep_for(boost::chrono::milliseconds(10));
+  std::cout << BOOST_CONTEXTOF << std::endl;
+}
+
+int f1()
+{
+  // std::cout << BOOST_CONTEXTOF << std::endl;
+  boost::this_thread::sleep_for(boost::chrono::seconds(1));
+  return 1;
+}
+int f2(int i)
+{
+  // std::cout << BOOST_CONTEXTOF << std::endl;
+  boost::this_thread::sleep_for(boost::chrono::seconds(2));
+  return i + 1;
+}
+
+template < class Executor>
+void submit_some(boost::serial_executor_cont<Executor>& tp)
+{
+  //std::cout << BOOST_CONTEXTOF << std::endl;
+  for (int i = 0; i < 3; ++i) {
+    //std::cout << BOOST_CONTEXTOF << std::endl;
+    tp.submit(&p2);
+  }
+  for (int i = 0; i < 3; ++i) {
+    //std::cout << BOOST_CONTEXTOF << std::endl;
+    tp.submit(&p1);
+  }
+  //std::cout << BOOST_CONTEXTOF << std::endl;
+
+}
+
+
+void at_th_entry(boost::basic_thread_pool& )
+{
+
+}
+
+int test_executor_adaptor()
+{
+  // std::cout << BOOST_CONTEXTOF << std::endl;
+  {
+    try
+    {
+
+#if ! defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
+      // std::cout << BOOST_CONTEXTOF << std::endl;
+      {
+        boost::basic_thread_pool ea1(4);
+        boost::serial_executor_cont<boost::basic_thread_pool> ea2(ea1);
+        submit_some(ea2);
+      }
+#endif
+      // std::cout << BOOST_CONTEXTOF << std::endl;
+    }
+    catch (std::exception& ex)
+    {
+      std::cout << "ERROR= " << ex.what() << "" << std::endl;
+      return 1;
+    }
+    catch (...)
+    {
+      std::cout << " ERROR= exception thrown" << std::endl;
+      return 2;
+    }
+  }
+  // std::cout << BOOST_CONTEXTOF << std::endl;
+  return 0;
+}
+
+
+int main()
+{
+  return test_executor_adaptor();
+}

example/tennis.cpp

@@ -39,7 +39,7 @@ const char* player_name(int state)
     if (state == PLAYER_B)
         return "PLAYER-B";
     throw "bad player";
-    return 0;
+    //return 0;
 }
 
 void player(int active)
@@ -50,7 +50,7 @@ void player(int active)
 
     while (state < GAME_OVER)
     {
-        std::cout << player_name(active) << ": Play." << std::endl;
+        //std::cout << player_name(active) << ": Play." << std::endl;
         state = other;
         cond.notify_all();
         do

example/this_executor.cpp

@@ -0,0 +1,86 @@
+// Copyright (C) 2014 Vicente Botet
+//
+//  Distributed under the Boost Software License, Version 1.0. (See accompanying
+//  file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+
+#include <boost/config.hpp>
+#if ! defined  BOOST_NO_CXX11_DECLTYPE
+#define BOOST_RESULT_OF_USE_DECLTYPE
+#endif
+
+#define BOOST_THREAD_VERSION 4
+#define BOOST_THREAD_PROVIDES_EXECUTORS
+#define BOOST_THREAD_USES_LOG_THREAD_ID
+
+#include <boost/thread/caller_context.hpp>
+#include <boost/thread/executors/basic_thread_pool.hpp>
+#include <boost/thread/executors/generic_executor_ref.hpp>
+#include <boost/smart_ptr/shared_ptr.hpp>
+#include <boost/smart_ptr/make_shared.hpp>
+#include <string>
+#include <iostream>
+
+#include <boost/thread/caller_context.hpp>
+
+struct current_executor_state_type {
+  boost::shared_ptr<boost::generic_executor_ref> current_executor_ptr;
+
+  template <class Executor>
+  void set_current_executor(Executor& ex)
+  {
+    current_executor_ptr = boost::make_shared<boost::generic_executor_ref>(ex);
+  }
+  boost::generic_executor_ref current_executor()
+  {
+    if (current_executor_ptr)
+      return *current_executor_ptr;
+    else
+      throw "";
+  }
+};
+
+thread_local current_executor_state_type current_executor_state;
+
+boost::generic_executor_ref current_executor()
+{
+  return current_executor_state.current_executor();
+}
+
+void p2()
+{
+  std::cout << BOOST_CONTEXTOF << std::endl;
+  boost::this_thread::sleep_for(boost::chrono::milliseconds(200));
+  std::cout << BOOST_CONTEXTOF << std::endl;
+}
+
+
+void p1()
+{
+  std::cout << BOOST_CONTEXTOF << std::endl;
+  boost::this_thread::sleep_for(boost::chrono::milliseconds(200));
+  current_executor().submit(&p2);
+  boost::this_thread::sleep_for(boost::chrono::milliseconds(400));
+  std::cout << BOOST_CONTEXTOF << std::endl;
+}
+
+int main()
+{
+  std::cout << BOOST_CONTEXTOF << std::endl;
+
+  boost::basic_thread_pool tp(4,
+      // at_thread_entry
+      [](boost::basic_thread_pool& pool)
+      {
+        current_executor_state.set_current_executor(pool);
+      }
+  );
+
+  tp.submit(&p1);
+
+  boost::this_thread::sleep_for(boost::chrono::seconds(5));
+
+  std::cout << BOOST_CONTEXTOF << std::endl;
+
+  return 1;
+
+}

example/thread_group.cpp

@@ -59,6 +59,7 @@ int main()
     threads.remove_thread(th);
     BOOST_TEST(! threads.is_thread_in(th));
     th->join();
+    delete th;
   }
   {
     {

example/tss.cpp

@@ -24,6 +24,7 @@ void thread_proc()
         increment();
         int* p = value.get();
         assert(*p == i+1);
+        (void)(p);
     }
 }
 

include/boost/thread/caller_context.hpp

@@ -1,4 +1,4 @@
-// (C) Copyright 2013 Vicente J. Botet Escriba
+// (C) Copyright 2013,2015 Vicente J. Botet Escriba
 // Distributed under the Boost Software License, Version 1.0. (See
 // accompanying file LICENSE_1_0.txt or copy at
 // http://www.boost.org/LICENSE_1_0.txt)
@@ -12,6 +12,7 @@
 #include <boost/thread/thread.hpp>
 #endif
 #include <boost/current_function.hpp>
+#include <boost/io/ios_state.hpp>
 #include <iomanip>
 
 #include <boost/config/abi_prefix.hpp>
@@ -43,9 +44,11 @@ namespace boost
 #endif
     {
       io::ios_flags_saver ifs(os);
-      os << ctx.filename << "["
+      os << std::setw(50) << ctx.filename << "["
          << std::setw(4) << std::right << std::dec<< ctx.lineno << "] ";
+#if defined BOOST_THREAD_USES_LOG_CURRENT_FUNCTION
       os << ctx.func << " " ;
+#endif
     }
     return os;
   }

include/boost/thread/concurrent_queues/deque_adaptor.hpp

@@ -27,12 +27,12 @@ namespace detail
 
   template <typename Queue>
   class deque_adaptor_copyable_only :
-    public boost::deque_base<typename Queue::value_type>
+    public boost::deque_base<typename Queue::value_type, typename Queue::size_type>
   {
       Queue queue;
   public:
     typedef typename Queue::value_type value_type;
-    typedef std::size_t size_type;
+    typedef typename Queue::size_type size_type;
 
     // Constructors/Assignment/Destructors
     deque_adaptor_copyable_only()  {}
@@ -63,12 +63,12 @@ namespace detail
   };
   template <typename Queue>
   class deque_adaptor_movable_only :
-    public boost::deque_base<typename Queue::value_type>
+    public boost::deque_base<typename Queue::value_type, typename Queue::size_type>
   {
       Queue queue;
   public:
     typedef typename Queue::value_type value_type;
-    typedef std::size_t size_type;
+    typedef typename Queue::size_type size_type;
 
     // Constructors/Assignment/Destructors
 
@@ -102,12 +102,12 @@ namespace detail
 
   template <typename Queue>
   class deque_adaptor_copyable_and_movable :
-    public boost::deque_base<typename Queue::value_type>
+    public boost::deque_base<typename Queue::value_type, typename Queue::size_type>
   {
       Queue queue;
   public:
     typedef typename Queue::value_type value_type;
-    typedef std::size_t size_type;
+    typedef typename Queue::size_type size_type;
 
     // Constructors/Assignment/Destructors
 
@@ -195,7 +195,7 @@ namespace detail
   {
   public:
       typedef typename Queue::value_type value_type;
-      typedef std::size_t size_type;
+      typedef typename Queue::size_type size_type;
     // Constructors/Assignment/Destructors
     virtual ~deque_adaptor() {};
   };

include/boost/thread/concurrent_queues/deque_base.hpp

@@ -27,12 +27,12 @@ namespace concurrent
 namespace detail
 {
 
-  template <typename ValueType>
+  template <typename ValueType, class SizeType>
   class deque_base_copyable_only
   {
   public:
     typedef ValueType value_type;
-    typedef std::size_t size_type;
+    typedef SizeType size_type;
 
     // Constructors/Assignment/Destructors
     virtual ~deque_base_copyable_only() {};
@@ -58,16 +58,16 @@ namespace detail
     virtual queue_op_status nonblocking_pull_front(value_type&) = 0;
 
     virtual queue_op_status wait_push_back(const value_type& x) = 0;
-    virtual queue_op_status wait_pull_front(ValueType& elem) = 0;
+    virtual queue_op_status wait_pull_front(value_type& elem) = 0;
 
   };
 
-  template <typename ValueType>
+  template <typename ValueType, class SizeType>
   class deque_base_movable_only
   {
   public:
     typedef ValueType value_type;
-    typedef std::size_t size_type;
+    typedef SizeType size_type;
     // Constructors/Assignment/Destructors
     virtual ~deque_base_movable_only() {};
 
@@ -88,7 +88,7 @@ namespace detail
 
     virtual queue_op_status nonblocking_pull_front(value_type&) = 0;
 
-    virtual queue_op_status wait_pull_front(ValueType& elem) = 0;
+    virtual queue_op_status wait_pull_front(value_type& elem) = 0;
 
     virtual void push_back(BOOST_THREAD_RV_REF(value_type) x) = 0;
     virtual queue_op_status try_push_back(BOOST_THREAD_RV_REF(value_type) x) = 0;
@@ -97,12 +97,12 @@ namespace detail
   };
 
 
-  template <typename ValueType>
+  template <typename ValueType, class SizeType>
   class deque_base_copyable_and_movable
   {
   public:
     typedef ValueType value_type;
-    typedef std::size_t size_type;
+    typedef SizeType size_type;
     // Constructors/Assignment/Destructors
     virtual ~deque_base_copyable_and_movable() {};
 
@@ -129,7 +129,7 @@ namespace detail
     virtual queue_op_status nonblocking_pull_front(value_type&) = 0;
 
     virtual queue_op_status wait_push_back(const value_type& x) = 0;
-    virtual queue_op_status wait_pull_front(ValueType& elem) = 0;
+    virtual queue_op_status wait_pull_front(value_type& elem) = 0;
 
     virtual void push_back(BOOST_THREAD_RV_REF(value_type) x) = 0;
     virtual queue_op_status try_push_back(BOOST_THREAD_RV_REF(value_type) x) = 0;
@@ -137,7 +137,7 @@ namespace detail
     virtual queue_op_status wait_push_back(BOOST_THREAD_RV_REF(value_type) x) = 0;
   };
 
-  template <class T,
+  template <class T, class ST,
 #if ! defined  BOOST_NO_CXX11_RVALUE_REFERENCES
 #if defined __GNUC__ && ! defined __clang__
 #if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 5) || !defined(__GXX_EXPERIMENTAL_CXX0X__)
@@ -166,28 +166,28 @@ namespace detail
       >
   struct deque_base;
 
-  template <class T>
-  struct deque_base<T, true, true> {
-    typedef deque_base_copyable_and_movable<T> type;
+  template <class T, class ST>
+  struct deque_base<T, ST, true, true> {
+    typedef deque_base_copyable_and_movable<T, ST> type;
   };
-  template <class T>
-  struct deque_base<T, true, false> {
-    typedef deque_base_copyable_only<T> type;
+  template <class T, class ST>
+  struct deque_base<T, ST, true, false> {
+    typedef deque_base_copyable_only<T, ST> type;
   };
-  template <class T>
-  struct deque_base<T, false, true> {
-    typedef deque_base_movable_only<T> type;
+  template <class T, class ST>
+  struct deque_base<T, ST, false, true> {
+    typedef deque_base_movable_only<T, ST> type;
   };
 
 }
 
-  template <typename ValueType>
+  template <class ValueType, class SizeType=std::size_t>
   class deque_base :
-    public detail::deque_base<ValueType>::type
+    public detail::deque_base<ValueType, SizeType>::type
   {
   public:
       typedef ValueType value_type;
-      typedef std::size_t size_type;
+      typedef SizeType size_type;
     // Constructors/Assignment/Destructors
     virtual ~deque_base() {};
   };

include/boost/thread/concurrent_queues/detail/sync_deque_base.hpp

@@ -37,7 +37,7 @@ namespace detail
   public:
     typedef ValueType value_type;
     typedef Queue underlying_queue_type;
-    typedef std::size_t size_type;
+    typedef typename Queue::size_type size_type;
     typedef queue_op_status op_status;
 
     typedef typename chrono::steady_clock clock;

include/boost/thread/concurrent_queues/detail/sync_queue_base.hpp

@@ -37,7 +37,7 @@ namespace detail
   public:
     typedef ValueType value_type;
     typedef Queue underlying_queue_type;
-    typedef std::size_t size_type;
+    typedef typename Queue::size_type size_type;
     typedef queue_op_status op_status;
 
     typedef typename chrono::steady_clock clock;

include/boost/thread/concurrent_queues/queue_adaptor.hpp

@@ -27,12 +27,12 @@ namespace detail
 
   template <typename Queue>
   class queue_adaptor_copyable_only :
-    public boost::queue_base<typename Queue::value_type>
+    public boost::queue_base<typename Queue::value_type, typename Queue::size_type>
   {
       Queue queue;
   public:
     typedef typename Queue::value_type value_type;
-    typedef std::size_t size_type;
+    typedef typename Queue::size_type size_type;
 
     // Constructors/Assignment/Destructors
     queue_adaptor_copyable_only()  {}
@@ -63,12 +63,12 @@ namespace detail
   };
   template <typename Queue>
   class queue_adaptor_movable_only :
-    public boost::queue_base<typename Queue::value_type>
+    public boost::queue_base<typename Queue::value_type, typename Queue::size_type>
   {
       Queue queue;
   public:
     typedef typename Queue::value_type value_type;
-    typedef std::size_t size_type;
+    typedef typename Queue::size_type size_type;
 
     // Constructors/Assignment/Destructors
 
@@ -102,12 +102,12 @@ namespace detail
 
   template <typename Queue>
   class queue_adaptor_copyable_and_movable :
-    public boost::queue_base<typename Queue::value_type>
+    public boost::queue_base<typename Queue::value_type, typename Queue::size_type>
   {
       Queue queue;
   public:
     typedef typename Queue::value_type value_type;
-    typedef std::size_t size_type;
+    typedef typename Queue::size_type size_type;
 
     // Constructors/Assignment/Destructors
 
@@ -195,7 +195,7 @@ namespace detail
   {
   public:
       typedef typename Queue::value_type value_type;
-      typedef std::size_t size_type;
+      typedef typename Queue::size_type size_type;
     // Constructors/Assignment/Destructors
     virtual ~queue_adaptor() {};
   };

include/boost/thread/concurrent_queues/queue_base.hpp

@@ -27,12 +27,12 @@ namespace concurrent
 namespace detail
 {
 
-  template <typename ValueType>
+  template <typename ValueType, class SizeType>
   class queue_base_copyable_only
   {
   public:
     typedef ValueType value_type;
-    typedef std::size_t size_type;
+    typedef SizeType size_type;
 
     // Constructors/Assignment/Destructors
     virtual ~queue_base_copyable_only() {};
@@ -62,12 +62,12 @@ namespace detail
 
   };
 
-  template <typename ValueType>
+  template <typename ValueType, class SizeType>
   class queue_base_movable_only
   {
   public:
     typedef ValueType value_type;
-    typedef std::size_t size_type;
+    typedef SizeType size_type;
     // Constructors/Assignment/Destructors
     virtual ~queue_base_movable_only() {};
 
@@ -88,7 +88,7 @@ namespace detail
 
     virtual queue_op_status nonblocking_pull(value_type&) = 0;
 
-    virtual queue_op_status wait_pull(ValueType& elem) = 0;
+    virtual queue_op_status wait_pull(value_type& elem) = 0;
 
     virtual void push(BOOST_THREAD_RV_REF(value_type) x) = 0;
     virtual queue_op_status try_push(BOOST_THREAD_RV_REF(value_type) x) = 0;
@@ -97,12 +97,12 @@ namespace detail
   };
 
 
-  template <typename ValueType>
+  template <typename ValueType, class SizeType>
   class queue_base_copyable_and_movable
   {
   public:
     typedef ValueType value_type;
-    typedef std::size_t size_type;
+    typedef SizeType size_type;
     // Constructors/Assignment/Destructors
     virtual ~queue_base_copyable_and_movable() {};
 
@@ -129,7 +129,7 @@ namespace detail
     virtual queue_op_status nonblocking_pull(value_type&) = 0;
 
     virtual queue_op_status wait_push(const value_type& x) = 0;
-    virtual queue_op_status wait_pull(ValueType& elem) = 0;
+    virtual queue_op_status wait_pull(value_type& elem) = 0;
 
     virtual void push(BOOST_THREAD_RV_REF(value_type) x) = 0;
     virtual queue_op_status try_push(BOOST_THREAD_RV_REF(value_type) x) = 0;
@@ -137,7 +137,7 @@ namespace detail
     virtual queue_op_status wait_push(BOOST_THREAD_RV_REF(value_type) x) = 0;
   };
 
-  template <class T,
+  template <class T, class ST,
 #if ! defined  BOOST_NO_CXX11_RVALUE_REFERENCES
 #if defined __GNUC__ && ! defined __clang__
 #if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 5) || !defined(__GXX_EXPERIMENTAL_CXX0X__)
@@ -166,28 +166,28 @@ namespace detail
       >
   struct queue_base;
 
-  template <class T>
-  struct queue_base<T, true, true> {
-    typedef queue_base_copyable_and_movable<T> type;
+  template <class T, class ST>
+  struct queue_base<T, ST, true, true> {
+    typedef queue_base_copyable_and_movable<T, ST> type;
   };
-  template <class T>
-  struct queue_base<T, true, false> {
-    typedef queue_base_copyable_only<T> type;
+  template <class T, class ST>
+  struct queue_base<T, ST, true, false> {
+    typedef queue_base_copyable_only<T, ST> type;
   };
-  template <class T>
-  struct queue_base<T, false, true> {
-    typedef queue_base_movable_only<T> type;
+  template <class T, class ST>
+  struct queue_base<T, ST, false, true> {
+    typedef queue_base_movable_only<T, ST> type;
   };
 
 }
 
-  template <typename ValueType>
+  template <typename ValueType, class SizeType=std::size_t>
   class queue_base :
-    public detail::queue_base<ValueType>::type
+    public detail::queue_base<ValueType, SizeType>::type
   {
   public:
       typedef ValueType value_type;
-      typedef std::size_t size_type;
+      typedef SizeType size_type;
     // Constructors/Assignment/Destructors
     virtual ~queue_base() {};
   };

include/boost/thread/concurrent_queues/sync_priority_queue.hpp

@@ -43,12 +43,13 @@ namespace detail {
       Compare _compare;
   public:
       typedef Type value_type;
+      typedef typename Container::size_type size_type;
 
       explicit priority_queue(const Compare& compare = Compare())
           : _elements(), _compare(compare)
       { }
 
-      std::size_t size() const
+      size_type size() const
       {
           return _elements.size();
       }

include/boost/thread/concurrent_queues/sync_queue.hpp

@@ -10,6 +10,7 @@
 // See http://www.boost.org/libs/thread for documentation.
 //
 //////////////////////////////////////////////////////////////////////////////
+#include <iostream>
 
 #include <boost/thread/detail/config.hpp>
 #include <boost/thread/concurrent_queues/detail/sync_queue_base.hpp>
@@ -150,13 +151,19 @@ namespace concurrent
   template <class ValueType, class Container>
   queue_op_status sync_queue<ValueType, Container>::wait_pull(ValueType& elem, unique_lock<mutex>& lk)
   {
+    //std::cout << __FILE__ << "[" << __LINE__ << "]" << std::endl;
     if (super::empty(lk))
     {
+      //std::cout << __FILE__ << "[" << __LINE__ << "]" << std::endl;
       if (super::closed(lk)) return queue_op_status::closed;
     }
+    //std::cout << __FILE__ << "[" << __LINE__ << "]" << std::endl;
     bool has_been_closed = super::wait_until_not_empty_or_closed(lk);
+    //std::cout << __FILE__ << "[" << __LINE__ << "]" << std::endl;
     if (has_been_closed) return queue_op_status::closed;
+    //std::cout << __FILE__ << "[" << __LINE__ << "]" << std::endl;
     pull(elem, lk);
+    //std::cout << __FILE__ << "[" << __LINE__ << "]" << std::endl;
     return queue_op_status::success;
   }
 

include/boost/thread/concurrent_queues/sync_timed_queue.hpp

@@ -106,6 +106,11 @@ namespace detail
     template <class Rep, class Period>
     void push(const T& elem, chrono::duration<Rep,Period> const& dura);
 
+    template <class Duration>
+    void push(BOOST_THREAD_RV_REF(T) elem, chrono::time_point<clock,Duration> const& tp);
+    template <class Rep, class Period>
+    void push(BOOST_THREAD_RV_REF(T) elem, chrono::duration<Rep,Period> const& dura);
+
     template <class Duration>
     queue_op_status try_push(const T& elem, chrono::time_point<clock,Duration> const& tp);
     template <class Rep, class Period>
@@ -158,6 +163,22 @@ namespace detail
     push(elem, clock::now() + dura);
   }
 
+  template <class T, class Clock>
+  template <class Duration>
+  void sync_timed_queue<T, Clock>::push(BOOST_THREAD_RV_REF(T) elem, chrono::time_point<clock,Duration> const& tp)
+  {
+    super::push(stype(boost::move(elem),tp));
+  }
+
+  template <class T, class Clock>
+  template <class Rep, class Period>
+  void sync_timed_queue<T, Clock>::push(BOOST_THREAD_RV_REF(T) elem, chrono::duration<Rep,Period> const& dura)
+  {
+    push(boost::move(elem), clock::now() + dura);
+  }
+
+
+
   template <class T, class Clock>
   template <class Duration>
   queue_op_status sync_timed_queue<T, Clock>::try_push(const T& elem, chrono::time_point<clock,Duration> const& tp)
@@ -214,7 +235,7 @@ namespace detail
       if (super::closed(lk)) return true;
       super::not_empty_.wait(lk);
     }
-    return false;
+    //return false;
   }
 
   ///////////////////////////

include/boost/thread/csbl/devector.hpp

@@ -21,8 +21,8 @@ namespace boost
     template <class T>
     class devector
     {
-      typedef vector<T> vector_type;
-      vector<T> data_;
+      typedef csbl::vector<T> vector_type;
+      vector_type data_;
       std::size_t front_index_;
 
       BOOST_COPYABLE_AND_MOVABLE(devector)
@@ -58,7 +58,9 @@ namespace boost
       }
 
       devector& operator=(BOOST_RV_REF(devector) x)
-         BOOST_NOEXCEPT_IF(vector<T>::allocator_traits_type::propagate_on_container_move_assignment::value)
+#if defined BOOST_THREAD_USES_BOOST_VECTOR
+         BOOST_NOEXCEPT_IF(vector_type::allocator_traits_type::propagate_on_container_move_assignment::value)
+#endif
       {
         data_ = boost::move(x.data_);
         front_index_ = x.front_index_;

include/boost/thread/csbl/memory.hpp

@@ -57,5 +57,6 @@ namespace boost
 // 20.8.2.4, class template enable_shared_from_this:
 // 20.8.2.5, shared_ptr atomic access:
 // 20.8.2.6 hash support
+#include <boost/thread/csbl/memory/shared_ptr.hpp>
 
 #endif // header

include/boost/thread/csbl/memory/shared_ptr.hpp

@@ -11,17 +11,30 @@
 
 #include <boost/thread/csbl/memory/config.hpp>
 
-#if defined BOOST_NO_CXX11_SMART_PTR
+//#if defined BOOST_NO_CXX11_SMART_PTR
+#if 1
 
 #include <boost/smart_ptr/shared_ptr.hpp>
 #include <boost/smart_ptr/make_shared.hpp>
+#include <boost/enable_shared_from_this.hpp>
 
 namespace boost
 {
+  template<class T> bool atomic_compare_exchange_strong( shared_ptr<T> * p, shared_ptr<T> * v, shared_ptr<T> w )
+  {
+    return atomic_compare_exchange(p,v,w);
+  }
+
   namespace csbl
   {
     using ::boost::shared_ptr;
     using ::boost::make_shared;
+    using ::boost::static_pointer_cast;
+    using ::boost::dynamic_pointer_cast;
+    using ::boost::const_pointer_cast;
+    using ::boost::enable_shared_from_this;
+    using ::boost::atomic_load;
+    using ::boost::atomic_compare_exchange_strong;
   }
 }
 
@@ -35,6 +48,12 @@ namespace boost
   {
     using std::shared_ptr;
     using std::make_shared;
+    using std::dynamic_pointer_cast;
+    using std::static_pointer_cast;
+    using std::const_pointer_cast;
+    using std::enable_shared_from_this;
+    using std::atomic_load;
+    using std::atomic_compare_exchange_strong;
   }
 }
 

include/boost/thread/detail/move.hpp

@@ -94,6 +94,11 @@ namespace boost
     template <typename T> \
     struct enable_move_utility_emulation_dummy_specialization<
 
+#define BOOST_THREAD_DCL_MOVABLE_BEG2(T1, T2) \
+  namespace detail { \
+    template <typename T1, typename T2> \
+    struct enable_move_utility_emulation_dummy_specialization<
+
 #define BOOST_THREAD_DCL_MOVABLE_END > \
       : integral_constant<bool, false> \
       {}; \
@@ -115,6 +120,11 @@ namespace boost
     template <typename T> \
     struct enable_move_utility_emulation_dummy_specialization<
 
+#define BOOST_THREAD_DCL_MOVABLE_BEG2(T1, T2) \
+  namespace detail { \
+    template <typename T1, typename T2> \
+    struct enable_move_utility_emulation_dummy_specialization<
+
 #define BOOST_THREAD_DCL_MOVABLE_END > \
       : integral_constant<bool, false> \
       {}; \
@@ -136,6 +146,11 @@ namespace boost
     template <typename T> \
     struct enable_move_utility_emulation_dummy_specialization<
 
+#define BOOST_THREAD_DCL_MOVABLE_BEG2(T1, T2) \
+  namespace detail { \
+    template <typename T1, typename T2> \
+    struct enable_move_utility_emulation_dummy_specialization<
+
 #define BOOST_THREAD_DCL_MOVABLE_END > \
       : integral_constant<bool, false> \
       {}; \
@@ -161,6 +176,10 @@ struct enable_move_utility_emulation< TYPE > \
 template <typename T> \
 struct enable_move_utility_emulation<
 
+#define BOOST_THREAD_DCL_MOVABLE_BEG2(T1, T2) \
+template <typename T1, typename T2> \
+struct enable_move_utility_emulation<
+
 #define BOOST_THREAD_DCL_MOVABLE_END > \
 { \
    static const bool value = false; \

include/boost/thread/detail/nullary_function.hpp

@@ -228,7 +228,7 @@ namespace boost
 
     };
   }
-  //BOOST_THREAD_DCL_MOVABLE_BEG(F) detail::nullary_function<F> BOOST_THREAD_DCL_MOVABLE_END
+  BOOST_THREAD_DCL_MOVABLE_BEG(F) detail::nullary_function<F> BOOST_THREAD_DCL_MOVABLE_END
 }
 
 #endif // header

include/boost/thread/detail/thread.hpp

@@ -173,7 +173,6 @@ namespace boost
     private:
         bool start_thread_noexcept();
         bool start_thread_noexcept(const attributes& attr);
-    //public:
         void start_thread()
         {
           if (!start_thread_noexcept())
@@ -485,9 +484,9 @@ namespace boost
         bool try_join_until(const chrono::time_point<Clock, Duration>& t)
         {
           using namespace chrono;
-          system_clock::time_point     s_now = system_clock::now();
           bool joined= false;
           do {
+            system_clock::time_point     s_now = system_clock::now();
             typename Clock::duration   d = ceil<nanoseconds>(t-Clock::now());
             if (d <= Clock::duration::zero()) return false; // in case the Clock::time_point t is already reached
             joined = try_join_until(s_now + d);
@@ -839,7 +838,7 @@ namespace boost
         void BOOST_THREAD_DECL add_thread_exit_function(thread_exit_function_base*);
         struct shared_state_base;
 #if defined(BOOST_THREAD_PLATFORM_WIN32)
-        inline void make_ready_at_thread_exit(shared_ptr<shared_state_base> as)
+        inline void make_ready_at_thread_exit(csbl::shared_ptr<shared_state_base> as)
         {
           detail::thread_data_base* const current_thread_data(detail::get_current_thread_data());
           if(current_thread_data)
@@ -848,7 +847,7 @@ namespace boost
           }
         }
 #else
-        void BOOST_THREAD_DECL make_ready_at_thread_exit(shared_ptr<shared_state_base> as);
+        void BOOST_THREAD_DECL make_ready_at_thread_exit(csbl::shared_ptr<shared_state_base> as);
 #endif
     }
 

include/boost/thread/detail/thread_group.hpp

@@ -6,6 +6,7 @@
 // (C) Copyright 2007-9 Anthony Williams
 
 #include <list>
+#include <boost/thread/csbl/memory/unique_ptr.hpp>
 #include <boost/thread/shared_mutex.hpp>
 #include <boost/thread/mutex.hpp>
 #include <boost/thread/lock_guard.hpp>
@@ -75,7 +76,7 @@ namespace boost
         thread* create_thread(F threadfunc)
         {
             boost::lock_guard<shared_mutex> guard(m);
-            std::auto_ptr<thread> new_thread(new thread(threadfunc));
+            boost::csbl::unique_ptr<thread> new_thread(new thread(threadfunc));
             threads.push_back(new_thread.get());
             return new_thread.release();
         }

include/boost/thread/detail/work.hpp

@@ -1,23 +0,0 @@
-//  (C) Copyright 2013 Vicente J. Botet Escriba
-//
-//  Distributed under the Boost Software License, Version 1.0. (See
-//  accompanying file LICENSE_1_0.txt or copy at
-//  http://www.boost.org/LICENSE_1_0.txt)
-
-#ifndef BOOST_THREAD_DETAIL_WORK_HPP
-#define BOOST_THREAD_DETAIL_WORK_HPP
-
-
-#include <boost/thread/detail/nullary_function.hpp>
-
-namespace boost
-{
-  namespace thread_detail
-  {
-
-    typedef detail::nullary_function<void()> work;
-  }
-
-} // namespace boost
-
-#endif //  BOOST_THREAD_DETAIL_MEMORY_HPP

include/boost/thread/executors/basic_thread_pool.hpp

@@ -1,4 +1,4 @@
-// Copyright (C) 2013-2014 Vicente J. Botet Escriba
+// Copyright (C) 2013-2015 Vicente J. Botet Escriba
 //
 //  Distributed under the Boost Software License, Version 1.0. (See accompanying
 //  file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -13,11 +13,16 @@
 #include <boost/thread/detail/config.hpp>
 #include <boost/thread/detail/delete.hpp>
 #include <boost/thread/detail/move.hpp>
-#include <boost/thread/scoped_thread.hpp>
+#include <boost/thread/thread.hpp>
 #include <boost/thread/concurrent_queues/sync_queue.hpp>
 #include <boost/thread/executors/work.hpp>
 #include <boost/thread/csbl/vector.hpp>
 
+#include <boost/smart_ptr/shared_ptr.hpp>
+#include <boost/smart_ptr/make_shared.hpp>
+#include <boost/smart_ptr/enable_shared_from_this.hpp>
+#include <boost/function.hpp>
+
 #include <boost/config/abi_prefix.hpp>
 
 namespace boost
@@ -30,125 +35,267 @@ namespace executors
     /// type-erasure to store the works to do
     typedef  executors::work work;
   private:
-    /// the kind of stored threads are scoped threads to ensure that the threads are joined.
-    /// A move aware vector type
-    typedef scoped_thread<> thread_t;
-    typedef csbl::vector<thread_t> thread_vector;
 
-    /// the thread safe work queue
-    concurrent::sync_queue<work > work_queue;
-    /// A move aware vector
-    thread_vector threads;
+    struct shared_state : enable_shared_from_this<shared_state> {
+      typedef  executors::work work;
+      /// the kind of stored threads are scoped threads to ensure that the threads are joined.
+      /// A move aware vector type
+      //typedef scoped_thread<> thread_t;
+      typedef thread thread_t;
+      typedef csbl::vector<thread_t> thread_vector;
 
-  public:
-    /**
-     * Effects: try to execute one task.
-     * Returns: whether a task has been executed.
-     * Throws: whatever the current task constructor throws or the task() throws.
-     */
-    bool try_executing_one()
-    {
-      try
-      {
-        work task;
-        if (work_queue.try_pull(task) == queue_op_status::success)
-        {
-          task();
-          return true;
-        }
-        return false;
-      }
-      catch (...)
-      {
-        std::terminate();
-        return false;
-      }
-    }
-    /**
-     * Effects: schedule one task or yields
-     * Throws: whatever the current task constructor throws or the task() throws.
-     */
-    void schedule_one_or_yield()
-    {
-        if ( ! try_executing_one())
-        {
-          this_thread::yield();
-        }
-    }
-  private:
+      /// the thread safe work queue
+      concurrent::sync_queue<work > work_queue;
+      /// A move aware vector
+      thread_vector threads;
+      unsigned const thread_count;
+      boost::function<void(basic_thread_pool)> at_thread_entry;
+      friend class basic_thread_pool;
 
-    /**
-     * The main loop of the worker threads
-     */
-    void worker_thread()
-    {
-      try
+
+    public:
+      /**
+       * Effects: try to execute one task.
+       * Returns: whether a task has been executed.
+       * Throws: whatever the current task constructor throws or the task() throws.
+       */
+      bool try_executing_one()
       {
-        for(;;)
+        try
         {
           work task;
-          queue_op_status st = work_queue.wait_pull(task);
-          if (st == queue_op_status::closed) return;
-          task();
+          if (work_queue.try_pull(task) == queue_op_status::success)
+          {
+            task();
+            return true;
+          }
+          return false;
+        }
+        catch (...)
+        {
+          std::terminate();
+          return false;
         }
       }
-      catch (...)
+      /**
+       * Effects: schedule one task or yields
+       * Throws: whatever the current task constructor throws or the task() throws.
+       */
+      void schedule_one_or_yield()
       {
-        std::terminate();
-        return;
+          if ( ! try_executing_one())
+          {
+            this_thread::yield();
+          }
       }
-    }
-#if defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
-    template <class AtThreadEntry>
-    void worker_thread1(AtThreadEntry& at_thread_entry)
-    {
-      at_thread_entry(*this);
-      worker_thread();
-    }
-#endif
-    void worker_thread2(void(*at_thread_entry)(basic_thread_pool&))
-    {
-      at_thread_entry(*this);
-      worker_thread();
-    }
-    template <class AtThreadEntry>
-    void worker_thread3(BOOST_THREAD_FWD_REF(AtThreadEntry) at_thread_entry)
-    {
-      at_thread_entry(*this);
-      worker_thread();
-    }
-    static void do_nothing_at_thread_entry(basic_thread_pool&) {}
+    private:
 
+      /**
+       * The main loop of the worker threads
+       */
+      void worker_thread()
+      {
+        // fixme: this call results on segmentation fault
+        //at_thread_entry(basic_thread_pool(this->shared_from_this()));
+        try
+        {
+          for(;;)
+          {
+            work task;
+            queue_op_status st = work_queue.wait_pull(task);
+            if (st == queue_op_status::closed) break;
+            task();
+          }
+        }
+        catch (...)
+        {
+          std::terminate();
+          return;
+        }
+      }
+
+      static void do_nothing_at_thread_entry(basic_thread_pool) {}
+
+      void init()
+      {
+        try
+        {
+          threads.reserve(thread_count);
+          for (unsigned i = 0; i < thread_count; ++i)
+          {
+            thread th (&shared_state::worker_thread, this);
+            threads.push_back(thread_t(boost::move(th)));
+          }
+        }
+        catch (...)
+        {
+          close();
+          throw;
+        }
+      }
+
+    public:
+      /// basic_thread_pool is not copyable.
+      BOOST_THREAD_NO_COPYABLE(shared_state)
+
+      /**
+       * \b Effects: creates a thread pool that runs closures on \c thread_count threads.
+       *
+       * \b Throws: Whatever exception is thrown while initializing the needed resources.
+       */
+      shared_state(unsigned const thread_count = thread::hardware_concurrency()+1)
+      : thread_count(thread_count),
+        at_thread_entry(do_nothing_at_thread_entry)
+      {
+      }
+      /**
+       * \b Effects: creates a thread pool that runs closures on \c thread_count threads
+       * and executes the at_thread_entry function at the entry of each created thread. .
+       *
+       * \b Throws: Whatever exception is thrown while initializing the needed resources.
+       */
+  #if defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
+      template <class AtThreadEntry>
+      shared_state( unsigned const thread_count, AtThreadEntry& at_thread_entry)
+      : thread_count(thread_count),
+        at_thread_entry(at_thread_entry)
+      {
+      }
+  #endif
+      shared_state( unsigned const thread_count, void(*at_thread_entry)(basic_thread_pool))
+      : thread_count(thread_count),
+        at_thread_entry(at_thread_entry)
+      {
+      }
+      template <class AtThreadEntry>
+      shared_state( unsigned const thread_count, BOOST_THREAD_FWD_REF(AtThreadEntry) at_thread_entry)
+      : thread_count(thread_count),
+        at_thread_entry(boost::move(at_thread_entry))
+      {
+      }
+      /**
+       * \b Effects: Destroys the thread pool.
+       *
+       * \b Synchronization: The completion of all the closures happen before the completion of the \c basic_thread_pool destructor.
+       */
+      ~shared_state()
+      {
+        // signal to all the worker threads that there will be no more submissions.
+        close();
+        join();
+        // joins all the threads as the threads were scoped_threads
+      }
+
+      /**
+       * \b Effects: join all the threads.
+       */
+      void join()
+      {
+        for (unsigned i = 0; i < threads.size(); ++i)
+        {
+          if (this_thread::get_id() == threads[i].get_id()) continue;
+          threads[i].join();
+        }
+      }
+
+      /**
+       * \b Effects: close the \c basic_thread_pool for submissions.
+       * The worker threads will work until there is no more closures to run.
+       */
+      void close()
+      {
+        work_queue.close();
+      }
+
+      /**
+       * \b Returns: whether the pool is closed for submissions.
+       */
+      bool closed()
+      {
+        return work_queue.closed();
+      }
+
+      /**
+       * \b Requires: \c Closure is a model of \c Callable(void()) and a model of \c CopyConstructible/MoveConstructible.
+       *
+       * \b Effects: The specified \c closure will be scheduled for execution at some point in the future.
+       * If invoked closure throws an exception the \c basic_thread_pool will call \c std::terminate, as is the case with threads.
+       *
+       * \b Synchronization: completion of \c closure on a particular thread happens before destruction of thread's thread local variables.
+       *
+       * \b Throws: \c sync_queue_is_closed if the thread pool is closed.
+       * Whatever exception that can be throw while storing the closure.
+       */
+
+      void submit(BOOST_THREAD_RV_REF(work) closure)  {
+        work_queue.push(boost::move(closure));
+      }
+
+  #if defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
+      template <typename Closure>
+      void submit(Closure & closure)
+      {
+        //work_queue.push(work(closure));
+        submit(work(closure));
+
+      }
+  #endif
+      void submit(void (*closure)())
+      {
+        //work_queue.push(work(closure));
+        submit(work(closure));
+      }
+
+      template <typename Closure>
+      void submit(BOOST_THREAD_FWD_REF(Closure) closure)
+      {
+        //work_queue.push(work(boost::forward<Closure>(closure)));
+        work w((boost::forward<Closure>(closure)));
+        submit(boost::move(w));
+      }
+
+      /**
+       * \b Requires: This must be called from an scheduled task.
+       *
+       * \b Effects: reschedule functions until pred()
+       */
+      template <typename Pred>
+      bool reschedule_until(Pred const& pred)
+      {
+        do {
+          if ( ! try_executing_one())
+          {
+            return false;
+          }
+        } while (! pred());
+        return true;
+      }
+    };
+
+    /**
+     * \b Effects: creates a thread pool with this shared state.
+     *
+     * \b Throws: Whatever exception is thrown while initializing the needed resources.
+     */
+    friend struct shared_state;
+    basic_thread_pool(shared_ptr<shared_state> ptr)
+    : pimpl(ptr)
+    {
+    }
   public:
-    /// basic_thread_pool is not copyable.
-    BOOST_THREAD_NO_COPYABLE(basic_thread_pool)
-
+    //basic_thread_pool(basic_thread_pool const&)=default;
+    //basic_thread_pool(basic_thread_pool &&)=default;
     /**
      * \b Effects: creates a thread pool that runs closures on \c thread_count threads.
      *
      * \b Throws: Whatever exception is thrown while initializing the needed resources.
      */
     basic_thread_pool(unsigned const thread_count = thread::hardware_concurrency()+1)
+    : pimpl(make_shared<shared_state>(thread_count))
     {
-      try
-      {
-        threads.reserve(thread_count);
-        for (unsigned i = 0; i < thread_count; ++i)
-        {
-#if 1
-          thread th (&basic_thread_pool::worker_thread, this);
-          threads.push_back(thread_t(boost::move(th)));
-#else
-          threads.push_back(thread_t(&basic_thread_pool::worker_thread, this)); // do not compile
-#endif
-        }
-      }
-      catch (...)
-      {
-        close();
-        throw;
-      }
+      pimpl->init();
     }
+
     /**
      * \b Effects: creates a thread pool that runs closures on \c thread_count threads
      * and executes the at_thread_entry function at the entry of each created thread. .
@@ -158,61 +305,24 @@ namespace executors
 #if defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
     template <class AtThreadEntry>
     basic_thread_pool( unsigned const thread_count, AtThreadEntry& at_thread_entry)
+    : pimpl(make_shared<shared_state>(thread_count, at_thread_entry))
     {
-      try
-      {
-        threads.reserve(thread_count);
-        for (unsigned i = 0; i < thread_count; ++i)
-        {
-          thread th (&basic_thread_pool::worker_thread1<AtThreadEntry>, this, at_thread_entry);
-          threads.push_back(thread_t(boost::move(th)));
-          //threads.push_back(thread_t(&basic_thread_pool::worker_thread, this)); // do not compile
-        }
-      }
-      catch (...)
-      {
-        close();
-        throw;
-      }
+      pimpl->init();
     }
 #endif
-    basic_thread_pool( unsigned const thread_count, void(*at_thread_entry)(basic_thread_pool&))
+
+    basic_thread_pool( unsigned const thread_count, void(*at_thread_entry)(basic_thread_pool))
+    : pimpl(make_shared<shared_state>(thread_count, at_thread_entry))
     {
-      try
-      {
-        threads.reserve(thread_count);
-        for (unsigned i = 0; i < thread_count; ++i)
-        {
-          thread th (&basic_thread_pool::worker_thread2, this, at_thread_entry);
-          threads.push_back(thread_t(boost::move(th)));
-          //threads.push_back(thread_t(&basic_thread_pool::worker_thread, this)); // do not compile
-        }
-      }
-      catch (...)
-      {
-        close();
-        throw;
-      }
+      pimpl->init();
     }
     template <class AtThreadEntry>
     basic_thread_pool( unsigned const thread_count, BOOST_THREAD_FWD_REF(AtThreadEntry) at_thread_entry)
+    : pimpl(make_shared<shared_state>(thread_count, boost::forward<AtThreadEntry>(at_thread_entry)))
     {
-      try
-      {
-        threads.reserve(thread_count);
-        for (unsigned i = 0; i < thread_count; ++i)
-        {
-          thread th (&basic_thread_pool::worker_thread3<AtThreadEntry>, this, boost::forward<AtThreadEntry>(at_thread_entry));
-          threads.push_back(thread_t(boost::move(th)));
-          //threads.push_back(thread_t(&basic_thread_pool::worker_thread, this)); // do not compile
-        }
-      }
-      catch (...)
-      {
-        close();
-        throw;
-      }
+      pimpl->init();
     }
+
     /**
      * \b Effects: Destroys the thread pool.
      *
@@ -220,9 +330,16 @@ namespace executors
      */
     ~basic_thread_pool()
     {
-      // signal to all the worker threads that there will be no more submissions.
-      close();
-      // joins all the threads as the threads were scoped_threads
+    }
+
+    /**
+     * Effects: try to execute one task.
+     * Returns: whether a task has been executed.
+     * Throws: whatever the current task constructor throws or the task() throws.
+     */
+    bool try_executing_one()
+    {
+      return pimpl->try_executing_one();
     }
 
     /**
@@ -230,10 +347,7 @@ namespace executors
      */
     void join()
     {
-      for (unsigned i = 0; i < threads.size(); ++i)
-      {
-        threads[i].join();
-      }
+      pimpl->join();
     }
 
     /**
@@ -242,7 +356,7 @@ namespace executors
      */
     void close()
     {
-      work_queue.close();
+      pimpl->close();
     }
 
     /**
@@ -250,7 +364,7 @@ namespace executors
      */
     bool closed()
     {
-      return work_queue.closed();
+      return pimpl->closed();
     }
 
     /**
@@ -264,23 +378,26 @@ namespace executors
      * \b Throws: \c sync_queue_is_closed if the thread pool is closed.
      * Whatever exception that can be throw while storing the closure.
      */
+//    void submit(BOOST_THREAD_RV_REF(work) closure)  {
+//      work_queue.push(boost::move(closure));
+//    }
 
 #if defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
     template <typename Closure>
     void submit(Closure & closure)
     {
-      work_queue.push(work(closure));
+      pimpl->submit(closure);
     }
 #endif
     void submit(void (*closure)())
     {
-      work_queue.push(work(closure));
+      pimpl->submit(closure);
     }
 
     template <typename Closure>
-    void submit(BOOST_THREAD_RV_REF(Closure) closure)
+    void submit(BOOST_THREAD_FWD_REF(Closure) closure)
     {
-      work_queue.push(work(boost::forward<Closure>(closure)));
+      pimpl->submit(boost::forward<Closure>(closure));
     }
 
     /**
@@ -291,15 +408,16 @@ namespace executors
     template <typename Pred>
     bool reschedule_until(Pred const& pred)
     {
-      do {
-        if ( ! try_executing_one())
-        {
-          return false;
-        }
-      } while (! pred());
-      return true;
+      return pimpl->reschedule_until(pred);
     }
 
+    void schedule_one_or_yield()
+    {
+      return pimpl->schedule_one_or_yield();
+    }
+
+  private:
+    shared_ptr<shared_state> pimpl;
   };
 }
 using executors::basic_thread_pool;

include/boost/thread/executors/detail/priority_executor_base.hpp

@@ -24,8 +24,7 @@ namespace detail
   class priority_executor_base
   {
   public:
-    typedef boost::function<void()> work;
-    //typedef executors::work work;
+    typedef executors::work_pq work;
   protected:
     typedef Queue queue_type;
     queue_type _workq;

include/boost/thread/executors/detail/scheduled_executor_base.hpp

@@ -1,5 +1,5 @@
 // Copyright (C) 2014 Ian Forbed
-// Copyright (C) 2014 Vicente J. Botet Escriba
+// Copyright (C) 2014-2015 Vicente J. Botet Escriba
 //
 //  Distributed under the Boost Software License, Version 1.0. (See accompanying
 //  file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -16,6 +16,8 @@
 #include <boost/atomic.hpp>
 #include <boost/function.hpp>
 
+#include <boost/config/abi_prefix.hpp>
+
 namespace boost
 {
 namespace executors
@@ -23,11 +25,10 @@ namespace executors
 namespace detail
 {
   template <class Clock=chrono::steady_clock>
-  class scheduled_executor_base : public priority_executor_base<concurrent::sync_timed_queue<boost::function<void()>, Clock  > >
+  class scheduled_executor_base : public priority_executor_base<concurrent::sync_timed_queue<executors::work_pq, Clock  > >
   {
   public:
-    typedef boost::function<void()> work;
-    //typedef executors::work work;
+    typedef executors::work_pq work;
     typedef Clock clock;
     typedef typename clock::duration duration;
     typedef typename clock::time_point time_point;
@@ -46,12 +47,12 @@ namespace detail
 
     void submit_at(work w, const time_point& tp)
     {
-      this->_workq.push(w, tp);
+      this->_workq.push(boost::move(w), tp);
     }
 
     void submit_after(work w, const duration& dura)
     {
-      this->_workq.push(w, dura+clock::now());
+      this->_workq.push(boost::move(w), dura+clock::now());
     }
 
   }; //end class
@@ -59,4 +60,7 @@ namespace detail
 } //end detail namespace
 } //end executors namespace
 } //end boost namespace
+
+#include <boost/config/abi_suffix.hpp>
+
 #endif

include/boost/thread/executors/executor.hpp

@@ -1,4 +1,4 @@
-// Copyright (C) 2013,2014 Vicente J. Botet Escriba
+// Copyright (C) 2013,2015 Vicente J. Botet Escriba
 //
 //  Distributed under the Boost Software License, Version 1.0. (See accompanying
 //  file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -27,8 +27,6 @@ namespace boost
     /// type-erasure to store the works to do
     typedef  executors::work work;
 
-    /// executor is not copyable.
-    BOOST_THREAD_NO_COPYABLE(executor)
     executor() {}
 
     /**
@@ -99,9 +97,10 @@ namespace boost
     }
 
     template <typename Closure>
-    void submit(BOOST_THREAD_RV_REF(Closure) closure)
+    void submit(BOOST_THREAD_FWD_REF(Closure) closure)
     {
-      work w = boost::move(closure);
+      //submit(work(boost::forward<Closure>(closure)));
+      work w((boost::forward<Closure>(closure)));
       submit(boost::move(w));
     }
 
@@ -128,7 +127,6 @@ namespace boost
     bool reschedule_until(Pred const& pred)
     {
       do {
-        //schedule_one_or_yield();
         if ( ! try_executing_one())
         {
           return false;

include/boost/thread/executors/executor_adaptor.hpp

@@ -1,4 +1,4 @@
-// Copyright (C) 2013,2014 Vicente J. Botet Escriba
+// Copyright (C) 2013,2015 Vicente J. Botet Escriba
 //
 //  Distributed under the Boost Software License, Version 1.0. (See accompanying
 //  file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -12,6 +12,7 @@
 #include <boost/thread/detail/config.hpp>
 
 #include <boost/thread/executors/executor.hpp>
+#include <boost/thread/detail/move.hpp>
 
 #include <boost/config/abi_prefix.hpp>
 
@@ -30,21 +31,52 @@ namespace executors
     /// type-erasure to store the works to do
     typedef  executor::work work;
 
-    /// executor is not copyable.
-    BOOST_THREAD_NO_COPYABLE(executor_adaptor)
-
     /**
      * executor_adaptor constructor
      */
+    //executor_adaptor(executor_adaptor const&) = default;
+    //executor_adaptor(executor_adaptor &&) = default;
+    BOOST_THREAD_COPYABLE_AND_MOVABLE(executor_adaptor)
+
+    executor_adaptor(executor_adaptor const& x) : ex(x.ex) {}
+    executor_adaptor(BOOST_THREAD_RV_REF(executor_adaptor) x)  : ex(boost::move(x.ex)) {}
+
+    executor_adaptor& operator=(BOOST_THREAD_COPY_ASSIGN_REF(executor_adaptor) x)
+    {
+      if (this != &ex)
+      {
+        ex = x.ex;
+      }
+      return *this;
+    }
+    executor_adaptor& operator=(BOOST_THREAD_RV_REF(executor_adaptor) x)
+    {
+      if (this != &ex)
+      {
+        ex = boost::move(x.ex);
+      }
+      return *this;
+    }
+
+    executor_adaptor(Executor const& ex) : ex(ex) {}
+    executor_adaptor(BOOST_THREAD_RV_REF(Executor) ex)  : ex(boost::move(ex)) {}
+
+    executor_adaptor() : ex() {}
+
 #if ! defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)
-    template <typename ...Args>
-    executor_adaptor(BOOST_THREAD_RV_REF(Args) ... args) : ex(boost::forward<Args>(args)...) {}
+    template <typename Arg, typename ...Args>
+    executor_adaptor(BOOST_THREAD_FWD_REF(Arg) arg, BOOST_THREAD_FWD_REF(Args) ... args
+        , typename disable_if_c<
+          is_same<typename decay<Arg>::type, executor_adaptor>::value
+            ||
+          is_same<typename decay<Arg>::type, Executor>::value
+    , int* >::type=0
+        )
+    : ex(boost::forward<Arg>(arg), boost::forward<Args>(args)...) {}
 #else
     /**
      * executor_adaptor constructor
      */
-    executor_adaptor() : ex() {}
-
     template <typename A1>
     executor_adaptor(
         BOOST_THREAD_FWD_REF(A1) a1
@@ -98,9 +130,6 @@ namespace executors
     void submit(BOOST_THREAD_RV_REF(work) closure)  {
       return ex.submit(boost::move(closure));
     }
-//    void submit(work & closure)  {
-//      return ex.submit(closure);
-//    }
 
 #if defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
     template <typename Closure>
@@ -115,9 +144,11 @@ namespace executors
     }
 
     template <typename Closure>
-    void submit(BOOST_THREAD_RV_REF(Closure) closure)
+    void submit(BOOST_THREAD_FWD_REF(Closure) closure)
     {
-      submit(work(boost::forward<Closure>(closure)));
+      //submit(work(boost::forward<Closure>(closure)));
+      work w((boost::forward<Closure>(closure)));
+      submit(boost::move(w));
     }
 
     /**
@@ -130,6 +161,9 @@ namespace executors
   };
 }
 using executors::executor_adaptor;
+
+BOOST_THREAD_DCL_MOVABLE_BEG(T) executor_adaptor<T> BOOST_THREAD_DCL_MOVABLE_END
+
 }
 
 #include <boost/config/abi_suffix.hpp>

include/boost/thread/executors/generic_executor.hpp

@@ -0,0 +1,150 @@
+// Copyright (C) 2015 Vicente J. Botet Escriba
+//
+//  Distributed under the Boost Software License, Version 1.0. (See accompanying
+//  file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef BOOST_THREAD_EXECUTORS_GENERIC_EXECUTOR_HPP
+#define BOOST_THREAD_EXECUTORS_GENERIC_EXECUTOR_HPP
+
+#include <boost/thread/detail/config.hpp>
+
+#include <boost/thread/detail/delete.hpp>
+#include <boost/thread/detail/move.hpp>
+#include <boost/thread/executors/executor_adaptor.hpp>
+
+#include <boost/smart_ptr/shared_ptr.hpp>
+#include <boost/smart_ptr/make_shared.hpp>
+#include <boost/type_traits/decay.hpp>
+
+#include <boost/config/abi_prefix.hpp>
+
+namespace boost
+{
+  namespace executors
+  {
+
+  class generic_executor
+  {
+    shared_ptr<executor> ex;
+  public:
+    /// type-erasure to store the works to do
+    typedef executors::work work;
+
+    //generic_executor(generic_executor const&) = default;
+    //generic_executor(generic_executor &&) = default;
+
+    template<typename Executor>
+    generic_executor(Executor const& ex
+        , typename boost::disable_if<is_same<Executor, generic_executor>,
+          int* >::type =  (int*)0
+    )
+    //: ex(make_shared<executor_adaptor<Executor> >(ex)) // todo check why this doesn't work with C++03
+    : ex( new executor_adaptor<Executor>(ex) )
+    {
+    }
+
+    //generic_executor(generic_executor const& other) noexcept    {}
+    //generic_executor& operator=(generic_executor const& other) noexcept    {}
+
+
+    /**
+     * \par Effects
+     * Close the \c executor for submissions.
+     * The worker threads will work until there is no more closures to run.
+     */
+    void close() { ex->close(); }
+
+    /**
+     * \par Returns
+     * Whether the pool is closed for submissions.
+     */
+    bool closed() { return ex->closed(); }
+
+    void submit(BOOST_THREAD_RV_REF(work) closure)
+    {
+      ex->submit(boost::forward<work>(closure));
+    }
+
+    /**
+     * \par Requires
+     * \c Closure is a model of Callable(void()) and a model of CopyConstructible/MoveConstructible.
+     *
+     * \par Effects
+     * The specified closure will be scheduled for execution at some point in the future.
+     * If invoked closure throws an exception the thread pool will call std::terminate, as is the case with threads.
+     *
+     * \par Synchronization
+     * Completion of closure on a particular thread happens before destruction of thread's thread local variables.
+     *
+     * \par Throws
+     * \c sync_queue_is_closed if the thread pool is closed.
+     * Whatever exception that can be throw while storing the closure.
+     */
+
+#if defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
+    template <typename Closure>
+    void submit(Closure & closure)
+    {
+      work w ((closure));
+      submit(boost::move(w));
+    }
+#endif
+    void submit(void (*closure)())
+    {
+      work w ((closure));
+      submit(boost::move(w));
+    }
+
+    template <typename Closure>
+    void submit(BOOST_THREAD_RV_REF(Closure) closure)
+    {
+      work w = boost::move(closure);
+      submit(boost::move(w));
+    }
+
+//    size_t num_pending_closures() const
+//    {
+//      return ex->num_pending_closures();
+//    }
+
+    /**
+     * \par Effects
+     * Try to execute one task.
+     *
+     * \par Returns
+     * Whether a task has been executed.
+     *
+     * \par Throws
+     * Whatever the current task constructor throws or the task() throws.
+     */
+    bool try_executing_one() { return ex->try_executing_one(); }
+
+    /**
+     * \par Requires
+     * This must be called from an scheduled task.
+     *
+     * \par Effects
+     * reschedule functions until pred()
+     */
+    template <typename Pred>
+    bool reschedule_until(Pred const& pred)
+    {
+      do {
+        //schedule_one_or_yield();
+        if ( ! try_executing_one())
+        {
+          return false;
+        }
+      } while (! pred());
+      return true;
+    }
+
+  };
+  }
+  using executors::generic_executor;
+}
+
+#include <boost/config/abi_suffix.hpp>
+
+#endif

include/boost/thread/executors/generic_executor_ref.hpp

@@ -13,7 +13,8 @@
 #include <boost/thread/detail/move.hpp>
 #include <boost/thread/executors/executor.hpp>
 
-#include <boost/shared_ptr.hpp>
+#include <boost/smart_ptr/shared_ptr.hpp>
+#include <boost/smart_ptr/make_shared.hpp>
 
 #include <boost/config/abi_prefix.hpp>
 
@@ -99,8 +100,8 @@ namespace boost
 
     template<typename Executor>
     generic_executor_ref(Executor& ex)
-    //: ex(make_shared<executor_ref<Executor> >(ex)) // todo check why this doesn't works with C++03
-    : ex( new executor_ref<Executor>(ex) )
+    //: ex(make_shared<executor_ref<typename decay<Executor>::type> >(ex)) // todo check why this doesn't work with C++03
+    : ex( new executor_ref<typename decay<Executor>::type>(ex) )
     {
     }
 
@@ -121,11 +122,6 @@ namespace boost
      */
     bool closed() { return ex->closed(); }
 
-    void submit(BOOST_THREAD_RV_REF(work) closure)
-    {
-      ex->submit(boost::forward<work>(closure));
-    }
-
     /**
      * \par Requires
      * \c Closure is a model of Callable(void()) and a model of CopyConstructible/MoveConstructible.
@@ -142,24 +138,31 @@ namespace boost
      * Whatever exception that can be throw while storing the closure.
      */
 
+    void submit(BOOST_THREAD_RV_REF(work) closure)
+    {
+      ex->submit(boost::move(closure));
+    }
+
 #if defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
     template <typename Closure>
     void submit(Closure & closure)
     {
-      work w ((closure));
-      submit(boost::move(w));
+      //work w ((closure));
+      //submit(boost::move(w));
+      submit(work(closure));
     }
 #endif
     void submit(void (*closure)())
     {
       work w ((closure));
       submit(boost::move(w));
+      //submit(work(closure));
     }
 
     template <typename Closure>
-    void submit(BOOST_THREAD_RV_REF(Closure) closure)
+    void submit(BOOST_THREAD_FWD_REF(Closure) closure)
     {
-      work w = boost::move(closure);
+      work w((boost::forward<Closure>(closure)));
       submit(boost::move(w));
     }
 

include/boost/thread/executors/generic_serial_executor.hpp

@@ -0,0 +1,295 @@
+// Copyright (C) 2013,2015 Vicente J. Botet Escriba
+//
+//  Distributed under the Boost Software License, Version 1.0. (See accompanying
+//  file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+// 2013/11 Vicente J. Botet Escriba
+//    first implementation of a simple serial scheduler.
+
+#ifndef BOOST_THREAD_GENERIC_SERIAL_EXECUTOR_HPP
+#define BOOST_THREAD_GENERIC_SERIAL_EXECUTOR_HPP
+
+#include <boost/thread/detail/config.hpp>
+#include <boost/thread/detail/delete.hpp>
+#include <boost/thread/detail/move.hpp>
+#include <boost/thread/concurrent_queues/sync_queue.hpp>
+#include <boost/thread/executors/work.hpp>
+#include <boost/thread/executors/generic_executor.hpp>
+#include <boost/thread/future.hpp>
+#include <boost/thread/scoped_thread.hpp>
+
+#include <boost/smart_ptr/shared_ptr.hpp>
+#include <boost/smart_ptr/make_shared.hpp>
+#include <boost/utility/enable_if.hpp>
+#include <boost/type_traits/is_same.hpp>
+#include <boost/type_traits/decay.hpp>
+
+#include <boost/thread/caller_context.hpp>
+
+#include <boost/config/abi_prefix.hpp>
+
+namespace boost
+{
+namespace executors
+{
+  class generic_serial_executor
+  {
+  public:
+    /// type-erasure to store the works to do
+    typedef  executors::work work;
+  private:
+
+    struct shared_state {
+      typedef  executors::work work;
+      typedef thread thread_t;
+      //typedef  scoped_thread<> thread_t;
+
+      /// the thread safe work queue
+      concurrent::sync_queue<work > work_queue;
+      generic_executor ex;
+      thread_t thr;
+
+      struct try_executing_one_task {
+        work& task;
+        boost::promise<void> &p;
+        try_executing_one_task(work& task, boost::promise<void> &p)
+        : task(task), p(p) {}
+        void operator()() {
+          try {
+            task();
+            p.set_value();
+          } catch (...)
+          {
+            p.set_exception(current_exception());
+          }
+        }
+      };
+    public:
+      /**
+       * \par Returns
+       * The underlying executor wrapped on a generic executor reference.
+       */
+      generic_executor& underlying_executor() BOOST_NOEXCEPT { return ex; }
+
+    private:
+
+      /**
+       * The main loop of the worker thread
+       */
+      void worker_thread()
+      {
+        try
+        {
+          for(;;)
+          {
+            work task;
+            queue_op_status st = work_queue.wait_pull(task);
+            if (st == queue_op_status::closed) return;
+
+            boost::promise<void> p;
+            try_executing_one_task tmp(task,p);
+            ex.submit(tmp);
+            p.get_future().wait();
+          }
+        }
+        catch (...)
+        {
+          std::terminate();
+          return;
+        }
+      }
+
+    public:
+      /// shared_state is not copyable.
+      BOOST_THREAD_NO_COPYABLE(shared_state)
+
+      /**
+       * \b Effects: creates a thread pool that runs closures using one of its closure-executing methods.
+       *
+       * \b Throws: Whatever exception is thrown while initializing the needed resources.
+       */
+      template <class Executor>
+      shared_state(Executor const& ex)
+      : ex(ex), thr(&shared_state::worker_thread, this)
+      {
+      }
+      /**
+       * \b Effects: Destroys the thread pool.
+       *
+       * \b Synchronization: The completion of all the closures happen before the completion of the \c shared_state destructor.
+       */
+      ~shared_state()
+      {
+        // signal to the worker thread that there will be no more submissions.
+        close();
+        join();
+      }
+
+      /**
+       * \b Effects: join all the threads.
+       */
+      void join()
+      {
+          if (this_thread::get_id() == thr.get_id()) return;
+          thr.join();
+      }
+
+      /**
+       * \b Effects: close the \c generic_serial_executor for submissions.
+       * The loop will work until there is no more closures to run.
+       */
+      void close()
+      {
+        work_queue.close();
+      }
+
+      /**
+       * \b Returns: whether the pool is closed for submissions.
+       */
+      bool closed()
+      {
+        return work_queue.closed();
+      }
+
+      /**
+       * \b Requires: \c Closure is a model of \c Callable(void()) and a model of \c CopyConstructible/MoveConstructible.
+       *
+       * \b Effects: The specified \c closure will be scheduled for execution at some point in the future.
+       * If invoked closure throws an exception the \c generic_serial_executor will call \c std::terminate, as is the case with threads.
+       *
+       * \b Synchronization: completion of \c closure on a particular thread happens before destruction of thread's thread local variables.
+       *
+       * \b Throws: \c sync_queue_is_closed if the thread pool is closed.
+       * Whatever exception that can be throw while storing the closure.
+       */
+
+  #if defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
+      template <typename Closure>
+      void submit(Closure & closure)
+      {
+        work_queue.push(work(closure));
+      }
+  #endif
+      void submit(void (*closure)())
+      {
+        work_queue.push(work(closure));
+      }
+
+      template <typename Closure>
+      void submit(BOOST_THREAD_RV_REF(Closure) closure)
+      {
+        work_queue.push(work(boost::forward<Closure>(closure)));
+      }
+
+    };
+
+  public:
+
+//    generic_serial_executor(generic_serial_executor const&) = default;
+//    generic_serial_executor(generic_serial_executor &&) = default;
+
+    /**
+     * \b Effects: creates a thread pool that runs closures using one of its closure-executing methods.
+     *
+     * \b Throws: Whatever exception is thrown while initializing the needed resources.
+     */
+    template <class Executor>
+    generic_serial_executor(Executor const& ex
+        , typename boost::disable_if<is_same<Executor, generic_serial_executor>,
+          int* >::type =  (int*)0)
+    : pimpl(make_shared<shared_state>(ex))
+    {
+    }
+    /**
+     * \b Effects: Destroys the thread pool.
+     *
+     * \b Synchronization: The completion of all the closures happen before the completion of the \c generic_serial_executor destructor.
+     */
+    ~generic_serial_executor()
+    {
+    }
+
+    /**
+     * \par Returns
+     * The underlying executor wrapped on a generic executor reference.
+     */
+    generic_executor& underlying_executor() BOOST_NOEXCEPT
+    {
+      return pimpl->underlying_executor();
+    }
+
+    /**
+     * \b Returns: always false as a serial executor can not re-enter.
+     * Remark: A serial executor can not execute one of its pending tasks as the tasks depends on the other tasks.
+     */
+    bool try_executing_one()
+    {
+      return false;
+    }
+
+    /**
+     * \b Effects: close the \c generic_serial_executor for submissions.
+     * The loop will work until there is no more closures to run.
+     */
+    void close()
+    {
+      pimpl->close();
+    }
+
+    /**
+     * \b Returns: whether the pool is closed for submissions.
+     */
+    bool closed()
+    {
+      return pimpl->closed();
+    }
+
+    /**
+     * \b Requires: \c Closure is a model of \c Callable(void()) and a model of \c CopyConstructible/MoveConstructible.
+     *
+     * \b Effects: The specified \c closure will be scheduled for execution at some point in the future.
+     * If invoked closure throws an exception the \c generic_serial_executor will call \c std::terminate, as is the case with threads.
+     *
+     * \b Synchronization: completion of \c closure on a particular thread happens before destruction of thread's thread local variables.
+     *
+     * \b Throws: \c sync_queue_is_closed if the thread pool is closed.
+     * Whatever exception that can be throw while storing the closure.
+     */
+
+#if defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
+    template <typename Closure>
+    void submit(Closure & closure)
+    {
+      pimpl->submit(closure);
+    }
+#endif
+    void submit(void (*closure)())
+    {
+      pimpl->submit(closure);
+    }
+
+    template <typename Closure>
+    void submit(BOOST_THREAD_RV_REF(Closure) closure)
+    {
+      pimpl->submit(boost::forward<Closure>(closure));
+    }
+
+    /**
+     * \b Returns: always false as a serial executor can not re-enter.
+     * Remark: A serial executor can not execute one of its pending tasks as the tasks depends on the other tasks.
+     */
+    template <typename Pred>
+    bool reschedule_until(Pred const& pred)
+    {
+      return false;
+    }
+  private:
+    shared_ptr<shared_state> pimpl;
+  };
+}
+using executors::generic_serial_executor;
+}
+
+#include <boost/config/abi_suffix.hpp>
+
+#endif

include/boost/thread/executors/generic_serial_executor_cont.hpp

@@ -0,0 +1,265 @@
+// Copyright (C) 2015 Vicente J. Botet Escriba
+//
+//  Distributed under the Boost Software License, Version 1.0. (See accompanying
+//  file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+// 2013/11 Vicente J. Botet Escriba
+//    first implementation of a simple serial scheduler.
+
+#ifndef BOOST_THREAD_GENERIC_SERIAL_EXECUTOR_CONT_HPP
+#define BOOST_THREAD_GENERIC_SERIAL_EXECUTOR_CONT_HPP
+
+#include <boost/thread/detail/config.hpp>
+#include <boost/thread/detail/delete.hpp>
+#include <boost/thread/detail/move.hpp>
+#include <boost/thread/executors/work.hpp>
+#include <boost/thread/executors/generic_executor.hpp>
+#include <boost/thread/future.hpp>
+#include <boost/thread/scoped_thread.hpp>
+
+#include <boost/smart_ptr/shared_ptr.hpp>
+#include <boost/smart_ptr/make_shared.hpp>
+#include <boost/utility/enable_if.hpp>
+#include <boost/type_traits/is_same.hpp>
+#include <boost/type_traits/decay.hpp>
+
+#include <boost/config/abi_prefix.hpp>
+
+namespace boost
+{
+namespace executors
+{
+  class generic_serial_executor_cont
+  {
+  public:
+    /// type-erasure to store the works to do
+    typedef  executors::work work;
+  private:
+
+    struct shared_state {
+      typedef  executors::work work;
+
+    generic_executor ex_;
+    future<void> fut_; // protected by mtx_
+    bool closed_; // protected by mtx_
+    mutex mtx_;
+
+    struct continuation {
+      work task;
+      template <class X>
+      struct result {
+        typedef void type;
+      };
+      continuation(BOOST_THREAD_RV_REF(work) tsk)
+      : task(boost::move(tsk)) {}
+      void operator()(future<void> f)
+      {
+        try {
+          task();
+        } catch (...)  {
+          std::terminate();
+        }
+      }
+    };
+
+    bool closed(lock_guard<mutex>&) const
+    {
+      return closed_;
+    }
+  public:
+    /**
+     * \par Returns
+     * The underlying executor wrapped on a generic executor reference.
+     */
+    generic_executor& underlying_executor() BOOST_NOEXCEPT { return ex_; }
+
+    /// shared_state is not copyable.
+    BOOST_THREAD_NO_COPYABLE(shared_state)
+
+    /**
+     * \b Effects: creates a serial executor that runs closures in fifo order using one the associated executor.
+     *
+     * \b Throws: Whatever exception is thrown while initializing the needed resources.
+     *
+     * \b Notes:
+     * * The lifetime of the associated executor must outlive the serial executor.
+     * * The current implementation doesn't support submission from synchronous continuation, that is,
+     *     - the executor must execute the continuation asynchronously or
+     *     - the continuation can not submit to this serial executor.
+     */
+    template <class Executor>
+    shared_state(Executor const& ex)
+    : ex_(ex), fut_(make_ready_future()), closed_(false)
+    {
+    }
+    /**
+     * \b Effects: Destroys the thread pool.
+     *
+     * \b Synchronization: The completion of all the closures happen before the completion of the \c generic_serial_executor_cont destructor.
+     */
+    ~shared_state()
+    {
+      // signal to the worker thread that there will be no more submissions.
+      close();
+    }
+
+    /**
+     * \b Effects: close the \c generic_serial_executor_cont for submissions.
+     * The loop will work until there is no more closures to run.
+     */
+    void close()
+    {
+      lock_guard<mutex> lk(mtx_);
+      closed_ = true;;
+    }
+
+    /**
+     * \b Returns: whether the pool is closed for submissions.
+     */
+    bool closed()
+    {
+      lock_guard<mutex> lk(mtx_);
+      return closed(lk);
+    }
+
+    /**
+     * \b Requires: \c Closure is a model of \c Callable(void()) and a model of \c CopyConstructible/MoveConstructible.
+     *
+     * \b Effects: The specified \c closure will be scheduled for execution after the last submitted closure finish.
+     * If the invoked closure throws an exception the \c generic_serial_executor_cont will call \c std::terminate, as is the case with threads.
+     *
+     * \b Throws: \c sync_queue_is_closed if the executor is closed.
+     * Whatever exception that can be throw while storing the closure.
+     *
+     */
+
+#if defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
+    template <typename Closure>
+    void submit(Closure & closure)
+    {
+      lock_guard<mutex> lk(mtx_);
+      if (closed(lk))       BOOST_THROW_EXCEPTION( sync_queue_is_closed() );
+      fut_ = fut_.then(ex_, continuation(work(closure)));
+    }
+#endif
+    void submit(void (*closure)())
+    {
+      lock_guard<mutex> lk(mtx_);
+      if (closed(lk))       BOOST_THROW_EXCEPTION( sync_queue_is_closed() );
+      fut_ = fut_.then(ex_, continuation(work(closure)));
+    }
+
+    template <typename Closure>
+    void submit(BOOST_THREAD_RV_REF(Closure) closure)
+    {
+      lock_guard<mutex> lk(mtx_);
+      if (closed(lk))       BOOST_THROW_EXCEPTION( sync_queue_is_closed() );
+      fut_ = fut_.then(ex_, continuation(work(boost::forward<Closure>(closure))));
+    }
+    };
+  public:
+    /**
+     * \b Effects: creates a thread pool that runs closures using one of its closure-executing methods.
+     *
+     * \b Throws: Whatever exception is thrown while initializing the needed resources.
+     */
+    template <class Executor>
+    generic_serial_executor_cont(Executor const& ex
+                , typename boost::disable_if<is_same<Executor, generic_serial_executor_cont>,
+                  int* >::type =  (int*)0)
+    : pimpl(make_shared<shared_state>(ex))
+    {
+    }
+    /**
+     * \b Effects: Destroys the thread pool.
+     *
+     * \b Synchronization: The completion of all the closures happen before the completion of the \c serial_executor destructor.
+     */
+    ~generic_serial_executor_cont()
+    {
+    }
+
+    /**
+     * \par Returns
+     * The underlying executor wrapped on a generic executor reference.
+     */
+    generic_executor& underlying_executor() BOOST_NOEXCEPT
+    {
+      return pimpl->underlying_executor();
+    }
+
+    /**
+     * \b Returns: always false as a serial executor can not re-enter.
+     * Remark: A serial executor can not execute one of its pending tasks as the tasks depends on the other tasks.
+     */
+    bool try_executing_one()
+    {
+      return false;
+    }
+
+    /**
+     * \b Effects: close the \c serial_executor for submissions.
+     * The loop will work until there is no more closures to run.
+     */
+    void close()
+    {
+      pimpl->close();
+    }
+
+    /**
+     * \b Returns: whether the pool is closed for submissions.
+     */
+    bool closed()
+    {
+      return pimpl->closed();
+    }
+
+    /**
+     * \b Requires: \c Closure is a model of \c Callable(void()) and a model of \c CopyConstructible/MoveConstructible.
+     *
+     * \b Effects: The specified \c closure will be scheduled for execution at some point in the future.
+     * If invoked closure throws an exception the \c serial_executor will call \c std::terminate, as is the case with threads.
+     *
+     * \b Synchronization: completion of \c closure on a particular thread happens before destruction of thread's thread local variables.
+     *
+     * \b Throws: \c sync_queue_is_closed if the thread pool is closed.
+     * Whatever exception that can be throw while storing the closure.
+     */
+
+#if defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
+    template <typename Closure>
+    void submit(Closure & closure)
+    {
+      pimpl->submit(closure);
+    }
+#endif
+    void submit(void (*closure)())
+    {
+      pimpl->submit(closure);
+    }
+
+    template <typename Closure>
+    void submit(BOOST_THREAD_RV_REF(Closure) closure)
+    {
+      pimpl->submit(boost::forward<Closure>(closure));
+    }
+
+    /**
+     * \b Returns: always false as a serial executor can not re-enter.
+     * Remark: A serial executor can not execute one of its pending tasks as the tasks depends on the other tasks.
+     */
+    template <typename Pred>
+    bool reschedule_until(Pred const& pred)
+    {
+      return false;
+    }
+  private:
+    shared_ptr<shared_state> pimpl;
+  };
+}
+using executors::generic_serial_executor_cont;
+}
+
+#include <boost/config/abi_suffix.hpp>
+
+#endif

include/boost/thread/executors/inline_executor.hpp

@@ -1,4 +1,4 @@
-// Copyright (C) 2014 Vicente J. Botet Escriba
+// Copyright (C) 2014-2015 Vicente J. Botet Escriba
 //
 //  Distributed under the Boost Software License, Version 1.0. (See accompanying
 //  file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -14,6 +14,9 @@
 #include <boost/thread/detail/move.hpp>
 #include <boost/thread/executors/work.hpp>
 
+#include <boost/smart_ptr/shared_ptr.hpp>
+#include <boost/smart_ptr/make_shared.hpp>
+
 #include <boost/config/abi_prefix.hpp>
 
 namespace boost
@@ -25,142 +28,227 @@ namespace executors
   public:
     /// type-erasure to store the works to do
     typedef  executors::work work;
-    bool closed_;
-    mutable mutex mtx_;
-    /**
-     * Effects: try to execute one task.
-     * Returns: whether a task has been executed.
-     * Throws: whatever the current task constructor throws or the task() throws.
-     */
-    bool try_executing_one()
-    {
-      return false;
-    }
+  private:
 
+    struct shared_state {
+      typedef  executors::work work;
+
+      bool closed_;
+      mutable mutex mtx_;
+
+      /**
+       * Effects: try to execute one task.
+       * Returns: whether a task has been executed.
+       * Throws: whatever the current task constructor throws or the task() throws.
+       */
+      bool try_executing_one()
+      {
+        return false;
+      }
+
+      /// shared_state is not copyable.
+      BOOST_THREAD_NO_COPYABLE(shared_state)
+
+      /**
+       * \b Effects: creates a inline executor that runs closures immediately.
+       *
+       * \b Throws: Nothing.
+       */
+      shared_state()
+      : closed_(false)
+      {
+      }
+      /**
+       * \b Effects: Destroys the inline executor.
+       *
+       * \b Synchronization: The completion of all the closures happen before the completion of the \c inline_executor destructor.
+       */
+      ~shared_state()
+      {
+        // signal to all the worker thread that there will be no more submissions.
+        close();
+      }
+
+      /**
+       * \b Effects: close the \c inline_executor for submissions.
+       * The loop will work until there is no more closures to run.
+       */
+      void close()
+      {
+        lock_guard<mutex> lk(mtx_);
+        closed_ = true;
+      }
+
+      /**
+       * \b Returns: whether the pool is closed for submissions.
+       */
+      bool closed(lock_guard<mutex>& )  const
+      {
+        return closed_;
+      }
+      bool closed() const
+      {
+        lock_guard<mutex> lk(mtx_);
+        return closed(lk);
+      }
+
+      /**
+       * \b Requires: \c Closure is a model of \c Callable(void()) and a model of \c CopyConstructible/MoveConstructible.
+       *
+       * \b Effects: The specified \c closure will be scheduled for execution at some point in the future.
+       * If invoked closure throws an exception the \c inline_executor will call \c std::terminate, as is the case with threads.
+       *
+       * \b Synchronization: completion of \c closure on a particular thread happens before destruction of thread's thread local variables.
+       *
+       * \b Throws: \c sync_queue_is_closed if the thread pool is closed.
+       * Whatever exception that can be throw while storing the closure.
+       */
+
+  #if defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
+      template <typename Closure>
+      void submit(Closure & closure)
+      {
+        {
+          lock_guard<mutex> lk(mtx_);
+          if (closed(lk))  BOOST_THROW_EXCEPTION( sync_queue_is_closed() );
+        }
+        try
+        {
+          closure();
+        }
+        catch (...)
+        {
+          std::terminate();
+          return;
+        }
+      }
+  #endif
+      void submit(void (*closure)())
+      {
+        {
+          lock_guard<mutex> lk(mtx_);
+          if (closed(lk))  BOOST_THROW_EXCEPTION( sync_queue_is_closed() );
+        }
+        try
+        {
+          closure();
+        }
+        catch (...)
+        {
+          std::terminate();
+          return;
+        }
+      }
+
+      template <typename Closure>
+      void submit(BOOST_THREAD_FWD_REF(Closure) closure)
+      {
+        {
+          lock_guard<mutex> lk(mtx_);
+          if (closed(lk))  BOOST_THROW_EXCEPTION( sync_queue_is_closed() );
+        }
+        try
+        {
+          closure();
+        }
+        catch (...)
+        {
+          std::terminate();
+          return;
+        }
+      }
+
+      /**
+       * \b Requires: This must be called from an scheduled task.
+       *
+       * \b Effects: reschedule functions until pred()
+       */
+      template <typename Pred>
+      bool reschedule_until(Pred const& )
+      {
+        return false;
+      }
+  };
   public:
-    /// inline_executor is not copyable.
-    BOOST_THREAD_NO_COPYABLE(inline_executor)
+  /**
+   * \b Effects: creates a inline executor that runs closures immediately.
+   *
+   * \b Throws: Nothing.
+   */
+  inline_executor()
+  : pimpl(make_shared<shared_state>())
+  {
+  }
 
-    /**
-     * \b Effects: creates a inline executor that runs closures immediately.
-     *
-     * \b Throws: Nothing.
-     */
-    inline_executor()
-    : closed_(false)
-    {
-    }
-    /**
-     * \b Effects: Destroys the inline executor.
-     *
-     * \b Synchronization: The completion of all the closures happen before the completion of the \c inline_executor destructor.
-     */
-    ~inline_executor()
-    {
-      // signal to all the worker thread that there will be no more submissions.
-      close();
-    }
+  /**
+   * \b Effects: close the \c inline_executor for submissions.
+   * The loop will work until there is no more closures to run.
+   */
+  void close()
+  {
+    pimpl->close();
+  }
 
-    /**
-     * \b Effects: close the \c inline_executor for submissions.
-     * The loop will work until there is no more closures to run.
-     */
-    void close()
-    {
-      lock_guard<mutex> lk(mtx_);
-      closed_ = true;
-    }
+  /**
+   * \b Returns: whether the executor is closed for submissions.
+   */
+  bool closed() const
+  {
+    return pimpl->closed();
+  }
 
-    /**
-     * \b Returns: whether the pool is closed for submissions.
-     */
-    bool closed(lock_guard<mutex>& )
-    {
-      return closed_;
-    }
-    bool closed()
-    {
-      lock_guard<mutex> lk(mtx_);
-      return closed(lk);
-    }
-
-    /**
-     * \b Requires: \c Closure is a model of \c Callable(void()) and a model of \c CopyConstructible/MoveConstructible.
-     *
-     * \b Effects: The specified \c closure will be scheduled for execution at some point in the future.
-     * If invoked closure throws an exception the \c inline_executor will call \c std::terminate, as is the case with threads.
-     *
-     * \b Synchronization: completion of \c closure on a particular thread happens before destruction of thread's thread local variables.
-     *
-     * \b Throws: \c sync_queue_is_closed if the thread pool is closed.
-     * Whatever exception that can be throw while storing the closure.
-     */
+  /**
+   * \b Requires: \c Closure is a model of \c Callable(void()) and a model of \c CopyConstructible/MoveConstructible.
+   *
+   * \b Effects: The specified \c closure will be scheduled for execution at some point in the future.
+   * If invoked closure throws an exception the \c inline_executor will call \c std::terminate, as is the case with threads.
+   *
+   * \b Synchronization: completion of \c closure on a particular thread happens before destruction of thread's thread local variables.
+   *
+   * \b Throws: \c sync_queue_is_closed if the thread pool is closed.
+   * Whatever exception that can be throw while storing the closure.
+   */
 
 #if defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
-    template <typename Closure>
-    void submit(Closure & closure)
-    {
-      {
-        lock_guard<mutex> lk(mtx_);
-        if (closed(lk))  BOOST_THROW_EXCEPTION( sync_queue_is_closed() );
-      }
-      try
-      {
-        closure();
-      }
-      catch (...)
-      {
-        std::terminate();
-        return;
-      }
-    }
+  template <typename Closure>
+  void submit(Closure & closure)
+  {
+    pimpl->submit(closure);
+  }
 #endif
-    void submit(void (*closure)())
-    {
-      {
-        lock_guard<mutex> lk(mtx_);
-        if (closed(lk))  BOOST_THROW_EXCEPTION( sync_queue_is_closed() );
-      }
-      try
-      {
-        closure();
-      }
-      catch (...)
-      {
-        std::terminate();
-        return;
-      }
-    }
+  void submit(void (*closure)())
+  {
+    pimpl->submit(closure);
+  }
 
-    template <typename Closure>
-    void submit(BOOST_THREAD_FWD_REF(Closure) closure)
-    {
-      {
-        lock_guard<mutex> lk(mtx_);
-        if (closed(lk))  BOOST_THROW_EXCEPTION( sync_queue_is_closed() );
-      }
-      try
-      {
-        closure();
-      }
-      catch (...)
-      {
-        std::terminate();
-        return;
-      }
-    }
+  template <typename Closure>
+  void submit(BOOST_THREAD_FWD_REF(Closure) closure)
+  {
+    pimpl->submit(boost::forward<Closure>(closure));
+  }
 
-    /**
-     * \b Requires: This must be called from an scheduled task.
-     *
-     * \b Effects: reschedule functions until pred()
-     */
-    template <typename Pred>
-    bool reschedule_until(Pred const& )
-    {
-      return false;
-    }
+  /**
+   * Effects: try to execute one task.
+   * Returns: whether a task has been executed.
+   * Throws: whatever the current task constructor throws or the task() throws.
+   */
+  bool try_executing_one()
+  {
+    return pimpl->try_executing_one();
+  }
 
+  /**
+   * \b Requires: This must be called from an scheduled task.
+   *
+   * \b Effects: reschedule functions until pred()
+   */
+  template <typename Pred>
+  bool reschedule_until(Pred const& p)
+  {
+    return pimpl->reschedule_until(p);
+  }
+  private:
+    shared_ptr<shared_state> pimpl;
   };
 }
 using executors::inline_executor;

include/boost/thread/executors/loop_executor.hpp

@@ -1,4 +1,4 @@
-// Copyright (C) 2013,2014 Vicente J. Botet Escriba
+// Copyright (C) 2013-2015 Vicente J. Botet Escriba
 //
 //  Distributed under the Boost Software License, Version 1.0. (See accompanying
 //  file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -17,6 +17,9 @@
 #include <boost/thread/concurrent_queues/sync_queue.hpp>
 #include <boost/thread/executors/work.hpp>
 
+#include <boost/smart_ptr/shared_ptr.hpp>
+#include <boost/smart_ptr/make_shared.hpp>
+
 #include <boost/config/abi_prefix.hpp>
 
 namespace boost
@@ -30,59 +33,178 @@ namespace executors
     /// type-erasure to store the works to do
     typedef  executors::work work;
   private:
-    /// the thread safe work queue
-    concurrent::sync_queue<work > work_queue;
 
-  public:
-    /**
-     * Effects: try to execute one task.
-     * Returns: whether a task has been executed.
-     * Throws: whatever the current task constructor throws or the task() throws.
-     */
-    bool try_executing_one()
-    {
-      work task;
-      try
+    struct shared_state {
+      typedef  executors::work work;
+      /// the thread safe work queue
+      concurrent::sync_queue<work > work_queue;
+
+      /**
+       * Effects: try to execute one task.
+       * Returns: whether a task has been executed.
+       * Throws: whatever the current task constructor throws or the task() throws.
+       */
+      bool try_executing_one()
       {
-        if (work_queue.try_pull(task) == queue_op_status::success)
+        work task;
+        try
         {
+          if (work_queue.try_pull(task) == queue_op_status::success)
+          {
+            task();
+            return true;
+          }
+          return false;
+        }
+        catch (...)
+        {
+          std::terminate();
+          return false;
+        }
+      }
+      /**
+       * Effects: schedule one task or yields
+       * Throws: whatever the current task constructor throws or the task() throws.
+       */
+      void schedule_one_or_yield()
+      {
+          if ( ! try_executing_one())
+          {
+            this_thread::yield();
+          }
+      }
+
+      /// loop_executor is not copyable.
+      BOOST_THREAD_NO_COPYABLE(shared_state)
+
+      /**
+       * \b Effects: creates a thread pool that runs closures using one of its closure-executing methods.
+       *
+       * \b Throws: Whatever exception is thrown while initializing the needed resources.
+       */
+      shared_state()
+      {
+      }
+      /**
+       * \b Effects: Destroys the thread pool.
+       *
+       * \b Synchronization: The completion of all the closures happen before the completion of the \c loop_executor destructor.
+       */
+      ~shared_state()
+      {
+        // signal to all the worker thread that there will be no more submissions.
+        close();
+      }
+
+      /**
+       * The main loop of the worker thread
+       */
+      void loop()
+      {
+        while (!closed())
+        {
+          schedule_one_or_yield();
+        }
+        while (try_executing_one())
+        {
+        }
+      }
+
+      /**
+       * \b Effects: close the \c loop_executor for submissions.
+       * The loop will work until there is no more closures to run.
+       */
+      void close()
+      {
+        work_queue.close();
+      }
+
+      /**
+       * \b Returns: whether the pool is closed for submissions.
+       */
+      bool closed()
+      {
+        return work_queue.closed();
+      }
+
+      /**
+       * \b Requires: \c Closure is a model of \c Callable(void()) and a model of \c CopyConstructible/MoveConstructible.
+       *
+       * \b Effects: The specified \c closure will be scheduled for execution at some point in the future.
+       * If invoked closure throws an exception the \c loop_executor will call \c std::terminate, as is the case with threads.
+       *
+       * \b Synchronization: completion of \c closure on a particular thread happens before destruction of thread's thread local variables.
+       *
+       * \b Throws: \c sync_queue_is_closed if the thread pool is closed.
+       * Whatever exception that can be throw while storing the closure.
+       */
+
+      void submit(BOOST_THREAD_RV_REF(work) closure)  {
+        work_queue.push(boost::move(closure));
+      }
+
+  #if defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
+      template <typename Closure>
+      void submit(Closure & closure)
+      {
+        //work_queue.push(work(closure));
+        submit(work(closure));
+      }
+  #endif
+      void submit(void (*closure)())
+      {
+        //work_queue.push(work(closure));
+        submit(work(closure));
+      }
+
+      template <typename Closure>
+      void submit(BOOST_THREAD_RV_REF(Closure) closure)
+      {
+        //work_queue.push(work(boost::forward<Closure>(closure)));
+        work w((boost::forward<Closure>(closure)));
+        submit(boost::move(w));
+      }
+
+      /**
+       * \b Requires: This must be called from an scheduled task.
+       *
+       * \b Effects: reschedule functions until pred()
+       */
+      template <typename Pred>
+      bool reschedule_until(Pred const& pred)
+      {
+        do {
+          if ( ! try_executing_one())
+          {
+            return false;
+          }
+        } while (! pred());
+        return true;
+      }
+
+      /**
+       * run queued closures
+       */
+      void run_queued_closures()
+      {
+        sync_queue<work>::underlying_queue_type q = work_queue.underlying_queue();
+        while (! q.empty())
+        {
+          work& task = q.front();
           task();
-          return true;
+          q.pop_front();
         }
-        return false;
       }
-      catch (...)
-      {
-        std::terminate();
-        return false;
-      }
-    }
-  private:
-    /**
-     * Effects: schedule one task or yields
-     * Throws: whatever the current task constructor throws or the task() throws.
-     */
-    void schedule_one_or_yield()
-    {
-        if ( ! try_executing_one())
-        {
-          this_thread::yield();
-        }
-    }
-
-
-
 
+    };
   public:
-    /// loop_executor is not copyable.
-    BOOST_THREAD_NO_COPYABLE(loop_executor)
-
     /**
      * \b Effects: creates a thread pool that runs closures using one of its closure-executing methods.
      *
      * \b Throws: Whatever exception is thrown while initializing the needed resources.
      */
     loop_executor()
+    : pimpl(make_shared<shared_state>())
     {
     }
     /**
@@ -92,22 +214,33 @@ namespace executors
      */
     ~loop_executor()
     {
-      // signal to all the worker thread that there will be no more submissions.
-      close();
     }
 
+    /**
+     * Effects: try to execute one task.
+     * Returns: whether a task has been executed.
+     * Throws: whatever the current task constructor throws or the task() throws.
+     */
+    bool try_executing_one()
+    {
+      return pimpl->try_executing_one();
+    }
+//    /**
+//     * Effects: schedule one task or yields
+//     * Throws: whatever the current task constructor throws or the task() throws.
+//     */
+//    void schedule_one_or_yield()
+//    {
+//      return pimpl->schedule_one_or_yield();
+//    }
+
+
     /**
      * The main loop of the worker thread
      */
     void loop()
     {
-      while (!closed())
-      {
-        schedule_one_or_yield();
-      }
-      while (try_executing_one())
-      {
-      }
+      pimpl->loop();
     }
 
     /**
@@ -116,7 +249,7 @@ namespace executors
      */
     void close()
     {
-      work_queue.close();
+      pimpl->close();
     }
 
     /**
@@ -124,7 +257,7 @@ namespace executors
      */
     bool closed()
     {
-      return work_queue.closed();
+      return pimpl->closed();
     }
 
     /**
@@ -138,23 +271,27 @@ namespace executors
      * \b Throws: \c sync_queue_is_closed if the thread pool is closed.
      * Whatever exception that can be throw while storing the closure.
      */
+//    void submit(BOOST_THREAD_RV_REF(work) closure)  {
+//      work_queue.push(boost::move(closure));
+//    }
 
 #if defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
     template <typename Closure>
     void submit(Closure & closure)
     {
-      work_queue.push(work(closure));
+      pimpl->submit(closure);
     }
 #endif
+
     void submit(void (*closure)())
     {
-      work_queue.push(work(closure));
+      pimpl->submit(closure);
     }
 
     template <typename Closure>
-    void submit(BOOST_THREAD_RV_REF(Closure) closure)
+    void submit(BOOST_THREAD_FWD_REF(Closure) closure)
     {
-      work_queue.push(work(boost::forward<Closure>(closure)));
+      pimpl->submit(boost::forward<Closure>(closure));
     }
 
     /**
@@ -165,13 +302,7 @@ namespace executors
     template <typename Pred>
     bool reschedule_until(Pred const& pred)
     {
-      do {
-        if ( ! try_executing_one())
-        {
-          return false;
-        }
-      } while (! pred());
-      return true;
+      return pimpl->reschedule_until(pred);
     }
 
     /**
@@ -179,15 +310,10 @@ namespace executors
      */
     void run_queued_closures()
     {
-      sync_queue<work>::underlying_queue_type q = work_queue.underlying_queue();
-      while (! q.empty())
-      {
-        work& task = q.front();
-        task();
-        q.pop_front();
-      }
+      pimpl->run_queued_closures();
     }
-
+  private:
+    shared_ptr<shared_state> pimpl;
   };
 }
 using executors::loop_executor;

include/boost/thread/executors/scheduled_thread_pool.hpp

@@ -9,36 +9,123 @@
 #define BOOST_THREAD_EXECUTORS_SCHEDULED_THREAD_POOL_HPP
 
 #include <boost/thread/executors/detail/scheduled_executor_base.hpp>
+#include <boost/thread/executors/work.hpp>
+#include <boost/thread/detail/move.hpp>
+#include <boost/thread/scoped_thread.hpp>
+#include <boost/thread/csbl/vector.hpp>
+#include <boost/smart_ptr/shared_ptr.hpp>
+#include <boost/smart_ptr/make_shared.hpp>
 
 namespace boost
 {
 namespace executors
 {
 
-  class scheduled_thread_pool : public detail::scheduled_executor_base<>
+  template <class Clock = chrono::steady_clock>
+  class scheduled_thread_pool
   {
   private:
-    thread_group _workers;
-  public:
 
-    scheduled_thread_pool(size_t num_threads) : super()
-    {
-      for(size_t i = 0; i < num_threads; i++)
+    struct shared_state : public detail::scheduled_executor_base<> {
+
+      /// basic_thread_pool is not copyable.
+      BOOST_THREAD_NO_COPYABLE(shared_state)
+
+      typedef detail::scheduled_executor_base<> super;
+      typedef typename super::work work;
+
+      typedef scoped_thread<> thread_t;
+      typedef csbl::vector<thread_t> thread_vector;
+      thread_vector threads;
+
+      shared_state(unsigned const thread_count = thread::hardware_concurrency()+1) : super()
       {
-        _workers.create_thread(bind(&super::loop, this));
+
+        try
+        {
+          threads.reserve(thread_count);
+          for (unsigned i = 0; i < thread_count; ++i)
+          {
+  #if 1
+            thread th (&shared_state::loop, this);
+            threads.push_back(thread_t(boost::move(th)));
+  #else
+            threads.push_back(thread_t(&shared_state::loop, this)); // do not compile
+  #endif
+          }
+        }
+        catch (...)
+        {
+          close();
+          throw;
+        }
       }
+
+      /**
+       * \b Effects: Destroys the thread pool.
+       *
+       * \b Synchronization: The completion of all the closures happen before the completion of the \c basic_thread_pool destructor.
+       */
+      ~shared_state()
+      {
+        this->close();
+      }
+    }; //end class
+
+  public:
+    typedef typename shared_state::work work;
+    typedef Clock clock;
+    typedef typename clock::duration duration;
+    typedef typename clock::time_point time_point;
+
+
+    /**
+     * \b Effects: creates a thread pool that runs closures on \c thread_count threads.
+     *
+     * \b Throws: Whatever exception is thrown while initializing the needed resources.
+     */
+    scheduled_thread_pool(unsigned const thread_count = thread::hardware_concurrency()+1)
+    : pimpl(make_shared<shared_state>(thread_count))
+    {
     }
 
+    /**
+     * \b Effects: Destroys the thread pool.
+     *
+     * \b Synchronization: The completion of all the closures happen before the completion of the \c basic_thread_pool destructor.
+     */
     ~scheduled_thread_pool()
     {
-      this->close();
-      _workers.join_all();
+    }
+    /**
+     * \b Effects: close the \c serial_executor for submissions.
+     * The loop will work until there is no more closures to run.
+     */
+    void close()
+    {
+      pimpl->close();
     }
 
-  private:
-    typedef detail::scheduled_executor_base<> super;
-  }; //end class
+    /**
+     * \b Returns: whether the pool is closed for submissions.
+     */
+    bool closed()
+    {
+      return pimpl->closed();
+    }
 
+    void submit_at(work w, const time_point& tp)
+    {
+      return pimpl->submit_at(boost::move(w), tp);
+    }
+
+    void submit_after(work w, const duration& d)
+    {
+      return pimpl->submit_after(boost::move(w), d);
+    }
+  private:
+    shared_ptr<shared_state> pimpl;
+  };
 } //end executors namespace
 
 using executors::scheduled_thread_pool;

include/boost/thread/executors/scheduler.hpp

@@ -1,4 +1,4 @@
-// Copyright (C) 2014 Vicente J. Botet Escriba
+// Copyright (C) 2014-2015 Vicente J. Botet Escriba
 //
 //  Distributed under the Boost Software License, Version 1.0. (See accompanying
 //  file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -13,6 +13,8 @@
 #include <boost/chrono/time_point.hpp>
 #include <boost/chrono/duration.hpp>
 #include <boost/chrono/system_clocks.hpp>
+#include <boost/smart_ptr/shared_ptr.hpp>
+#include <boost/smart_ptr/make_shared.hpp>
 
 #include <boost/config/abi_prefix.hpp>
 
@@ -36,7 +38,7 @@ namespace boost
       }
 
     private:
-      Executor&   ex;
+      Executor   ex;
       Function funct;
     };
 
@@ -100,8 +102,8 @@ namespace boost
       }
 
     private:
-      Scheduler&  sch;
-      Executor&   ex;
+      Scheduler   sch;
+      Executor   ex;
       typename clock::time_point  tp;
       bool  is_closed;
     };
@@ -150,8 +152,8 @@ namespace boost
       }
 
     private:
-      Scheduler& sch;
-      Executor& ex;
+      Scheduler sch;
+      Executor ex;
     }; //end class
 
     /// Wraps a reference to a @c Scheduler providing an @c Executor that
@@ -208,7 +210,7 @@ namespace boost
       }
 
     private:
-      Scheduler& sch;
+      Scheduler sch;
       time_point  tp;
       bool  is_closed;
     }; //end class
@@ -217,22 +219,71 @@ namespace boost
     /// It provides factory helper functions such as at/after that convert a @c Scheduler into an @c Executor
     /// that submit the work at/after a specific time/duration respectively.
     template <class Clock = chrono::steady_clock>
-    class scheduler : public detail::scheduled_executor_base<Clock>
+    class scheduler
     {
-    public:
-      typedef typename detail::scheduled_executor_base<Clock>::work work;
+    private:
 
+      struct shared_state : public detail::scheduled_executor_base<Clock> {
+        typedef detail::scheduled_executor_base<Clock> super;
+        typedef typename super::work work;
+        thread thr;
+
+        /// shared_state is not copyable.
+        BOOST_THREAD_NO_COPYABLE(shared_state)
+
+        shared_state()
+          : super(),
+            thr(&super::loop, this) {}
+
+        ~shared_state()
+        {
+          this->close();
+          thr.join();
+        }
+
+      };
+
+    public:
+      typedef typename shared_state::work work;
       typedef Clock clock;
+      typedef typename clock::duration duration;
+      typedef typename clock::time_point time_point;
 
       scheduler()
-        : super(),
-          thr(&super::loop, this) {}
+        : pimpl(make_shared<shared_state>())
+      {}
 
       ~scheduler()
       {
-        this->close();
-        thr.join();
       }
+
+      /**
+       * \b Effects: close the \c serial_executor for submissions.
+       * The loop will work until there is no more closures to run.
+       */
+      void close()
+      {
+        pimpl->close();
+      }
+
+      /**
+       * \b Returns: whether the pool is closed for submissions.
+       */
+      bool closed()
+      {
+        return pimpl->closed();
+      }
+
+      void submit_at(work w, const time_point& tp)
+      {
+        return pimpl->submit_at(boost::move(w), tp);
+      }
+
+      void submit_after(work w, const duration& d)
+      {
+        return pimpl->submit_after(boost::move(w), d);
+      }
+
       template <class Ex>
       scheduler_executor_wrapper<scheduler, Ex> on(Ex& ex)
       {
@@ -250,13 +301,10 @@ namespace boost
       {
         return at_executor<scheduler>(*this, tp);
       }
-
     private:
-      typedef detail::scheduled_executor_base<Clock> super;
-      thread thr;
+      shared_ptr<shared_state> pimpl;
     };
 
-
   }
   using executors::resubmitter;
   using executors::resubmit;

include/boost/thread/executors/scheduling_adaptor.hpp

@@ -19,7 +19,7 @@ namespace executors
   class scheduling_adpator : public detail::scheduled_executor_base<>
   {
   private:
-    Executor& _exec;
+    Executor _exec;
     thread _scheduler;
   public:
 

include/boost/thread/executors/serial_executor.hpp

@@ -1,4 +1,4 @@
-// Copyright (C) 2013 Vicente J. Botet Escriba
+// Copyright (C) 2013,2015 Vicente J. Botet Escriba
 //
 //  Distributed under the Boost Software License, Version 1.0. (See accompanying
 //  file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -14,116 +14,179 @@
 #include <boost/thread/detail/move.hpp>
 #include <boost/thread/concurrent_queues/sync_queue.hpp>
 #include <boost/thread/executors/work.hpp>
-#include <boost/thread/executors/generic_executor_ref.hpp>
+#include <boost/thread/executors/generic_executor.hpp>
 #include <boost/thread/future.hpp>
 #include <boost/thread/scoped_thread.hpp>
 
+#include <boost/smart_ptr/shared_ptr.hpp>
+#include <boost/smart_ptr/make_shared.hpp>
+
 #include <boost/config/abi_prefix.hpp>
 
 namespace boost
 {
 namespace executors
 {
+  template <class Executor>
   class serial_executor
   {
   public:
     /// type-erasure to store the works to do
     typedef  executors::work work;
   private:
-    typedef  scoped_thread<> thread_t;
 
-    /// the thread safe work queue
-    concurrent::sync_queue<work > work_queue;
-    generic_executor_ref ex;
-    thread_t thr;
+    struct shared_state {
+      typedef  executors::work work;
+      //typedef  scoped_thread<> thread_t;
+      typedef thread thread_t;
 
-    struct try_executing_one_task {
-      work& task;
-      boost::promise<void> &p;
-      try_executing_one_task(work& task, boost::promise<void> &p)
-      : task(task), p(p) {}
-      void operator()() {
-        try {
-          task();
-          p.set_value();
-        } catch (...)
+      /// the thread safe work queue
+      concurrent::sync_queue<work > work_queue;
+      Executor ex;
+      thread_t thr;
+
+      struct try_executing_one_task {
+        work& task;
+        boost::promise<void> &p;
+        try_executing_one_task(work& task, boost::promise<void> &p)
+        : task(task), p(p) {}
+        void operator()() {
+          try {
+            task();
+            p.set_value();
+          } catch (...)
+          {
+            p.set_exception(current_exception());
+          }
+        }
+      };
+    public:
+      /**
+       * \par Returns
+       * The underlying executor wrapped on a generic executor reference.
+       */
+      Executor& underlying_executor() BOOST_NOEXCEPT { return ex; }
+
+    private:
+
+      /**
+       * The main loop of the worker thread
+       */
+      void worker_thread()
+      {
+        try
         {
-          p.set_exception(current_exception());
+          for(;;)
+          {
+            work task;
+            queue_op_status st = work_queue.wait_pull(task);
+            if (st == queue_op_status::closed) return;
+
+            boost::promise<void> p;
+            try_executing_one_task tmp(task,p);
+            ex.submit(tmp);
+            p.get_future().wait();
+          }
+        }
+        catch (...)
+        {
+          std::terminate();
+          return;
         }
       }
+
+    public:
+      /// shared_state is not copyable.
+      BOOST_THREAD_NO_COPYABLE(shared_state)
+
+      /**
+       * \b Effects: creates a thread pool that runs closures using one of its closure-executing methods.
+       *
+       * \b Throws: Whatever exception is thrown while initializing the needed resources.
+       */
+      shared_state(Executor& ex)
+      : ex(ex), thr(&shared_state::worker_thread, this)
+      {
+      }
+      /**
+       * \b Effects: Destroys the thread pool.
+       *
+       * \b Synchronization: The completion of all the closures happen before the completion of the \c shared_state destructor.
+       */
+      ~shared_state()
+      {
+        // signal to the worker thread that there will be no more submissions.
+        close();
+        thr.join();
+      }
+
+      /**
+       * \b Effects: close the \c serial_executor for submissions.
+       * The loop will work until there is no more closures to run.
+       */
+      void close()
+      {
+        work_queue.close();
+      }
+
+      /**
+       * \b Returns: whether the pool is closed for submissions.
+       */
+      bool closed()
+      {
+        return work_queue.closed();
+      }
+
+      /**
+       * \b Requires: \c Closure is a model of \c Callable(void()) and a model of \c CopyConstructible/MoveConstructible.
+       *
+       * \b Effects: The specified \c closure will be scheduled for execution at some point in the future.
+       * If invoked closure throws an exception the \c serial_executor will call \c std::terminate, as is the case with threads.
+       *
+       * \b Synchronization: completion of \c closure on a particular thread happens before destruction of thread's thread local variables.
+       *
+       * \b Throws: \c sync_queue_is_closed if the thread pool is closed.
+       * Whatever exception that can be throw while storing the closure.
+       */
+
+      void submit(BOOST_THREAD_RV_REF(work) closure)
+      {
+        work_queue.push(boost::move(closure));
+      }
+
+  #if defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
+      template <typename Closure>
+      void submit(Closure & closure)
+      {
+        //work_queue.push(work(closure));
+        submit(work(closure));
+      }
+  #endif
+      void submit(void (*closure)())
+      {
+        //work_queue.push(work(closure));
+        submit(work(closure));
+      }
+
+      template <typename Closure>
+      void submit(BOOST_THREAD_FWD_REF(Closure) closure)
+      {
+        //work_queue.push(work(boost::move(closure)));
+        work w((boost::forward<Closure>(closure)));
+        submit(boost::move(w));
+      }
+
     };
-  public:
-    /**
-     * \par Returns
-     * The underlying executor wrapped on a generic executor reference.
-     */
-    generic_executor_ref& underlying_executor() BOOST_NOEXCEPT { return ex; }
-
-    /**
-     * Effects: try to execute one task.
-     * Returns: whether a task has been executed.
-     * Throws: whatever the current task constructor throws or the task() throws.
-     */
-    bool try_executing_one()
-    {
-      work task;
-      try
-      {
-        if (work_queue.try_pull(task) == queue_op_status::success)
-        {
-          boost::promise<void> p;
-          try_executing_one_task tmp(task,p);
-          ex.submit(tmp);
-          p.get_future().wait();
-          return true;
-        }
-        return false;
-      }
-      catch (...)
-      {
-        std::terminate();
-        return false;
-      }
-    }
-  private:
-    /**
-     * Effects: schedule one task or yields
-     * Throws: whatever the current task constructor throws or the task() throws.
-     */
-    void schedule_one_or_yield()
-    {
-        if ( ! try_executing_one())
-        {
-          this_thread::yield();
-        }
-    }
-
-    /**
-     * The main loop of the worker thread
-     */
-    void worker_thread()
-    {
-      while (!closed())
-      {
-        schedule_one_or_yield();
-      }
-      while (try_executing_one())
-      {
-      }
-    }
 
   public:
-    /// serial_executor is not copyable.
-    BOOST_THREAD_NO_COPYABLE(serial_executor)
 
     /**
      * \b Effects: creates a thread pool that runs closures using one of its closure-executing methods.
      *
      * \b Throws: Whatever exception is thrown while initializing the needed resources.
      */
-    template <class Executor>
     serial_executor(Executor& ex)
-    : ex(ex), thr(&serial_executor::worker_thread, this)
+    : pimpl(make_shared<shared_state>(ex))
     {
     }
     /**
@@ -133,8 +196,24 @@ namespace executors
      */
     ~serial_executor()
     {
-      // signal to the worker thread that there will be no more submissions.
-      close();
+    }
+
+    /**
+     * \par Returns
+     * The underlying executor wrapped on a generic executor reference.
+     */
+    Executor& underlying_executor() BOOST_NOEXCEPT
+    {
+      return pimpl->underlying_executor();
+    }
+
+    /**
+     * \b Returns: always false as a serial executor can not re-enter.
+     * Remark: A serial executor can not execute one of its pending tasks as the tasks depends on the other tasks.
+     */
+    bool try_executing_one()
+    {
+      return false;
     }
 
     /**
@@ -143,7 +222,7 @@ namespace executors
      */
     void close()
     {
-      work_queue.close();
+      pimpl->close();
     }
 
     /**
@@ -151,7 +230,7 @@ namespace executors
      */
     bool closed()
     {
-      return work_queue.closed();
+      return pimpl->closed();
     }
 
     /**
@@ -165,42 +244,40 @@ namespace executors
      * \b Throws: \c sync_queue_is_closed if the thread pool is closed.
      * Whatever exception that can be throw while storing the closure.
      */
+//    void submit(BOOST_THREAD_RV_REF(work) closure)
+//    {
+//      work_queue.push(boost::move(closure));
+//    }
 
 #if defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
     template <typename Closure>
     void submit(Closure & closure)
     {
-      work_queue.push(work(closure));
+      pimpl->submit(closure);
     }
 #endif
     void submit(void (*closure)())
     {
-      work_queue.push(work(closure));
+      pimpl->submit(closure);
     }
 
     template <typename Closure>
-    void submit(BOOST_THREAD_RV_REF(Closure) closure)
+    void submit(BOOST_THREAD_FWD_REF(Closure) closure)
     {
-      work_queue.push(work(boost::forward<Closure>(closure)));
+      pimpl->submit(boost::forward<Closure>(closure));
     }
 
     /**
-     * \b Requires: This must be called from an scheduled task.
-     *
-     * \b Effects: reschedule functions until pred()
+     * \b Returns: always false as a serial executor can not re-enter.
+     * Remark: A serial executor can not execute one of its pending tasks as the tasks depends on the other tasks.
      */
     template <typename Pred>
     bool reschedule_until(Pred const& pred)
     {
-      do {
-        if ( ! try_executing_one())
-        {
-          return false;
-        }
-      } while (! pred());
-      return true;
+      return false;
     }
-
+  private:
+    shared_ptr<shared_state> pimpl;
   };
 }
 using executors::serial_executor;

include/boost/thread/executors/serial_executor_cont.hpp

@@ -0,0 +1,258 @@
+// Copyright (C) 2015 Vicente J. Botet Escriba
+//
+//  Distributed under the Boost Software License, Version 1.0. (See accompanying
+//  file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+// 2013/11 Vicente J. Botet Escriba
+//    first implementation of a simple serial scheduler.
+
+#ifndef BOOST_THREAD_SERIAL_EXECUTOR_CONT_HPP
+#define BOOST_THREAD_SERIAL_EXECUTOR_CONT_HPP
+
+#include <boost/thread/detail/config.hpp>
+#include <boost/thread/detail/delete.hpp>
+#include <boost/thread/detail/move.hpp>
+#include <boost/thread/executors/work.hpp>
+#include <boost/thread/future.hpp>
+#include <boost/thread/scoped_thread.hpp>
+
+#include <boost/smart_ptr/shared_ptr.hpp>
+#include <boost/smart_ptr/make_shared.hpp>
+
+#include <boost/config/abi_prefix.hpp>
+
+namespace boost
+{
+namespace executors
+{
+  template <class Executor>
+  class serial_executor_cont
+  {
+  public:
+    /// type-erasure to store the works to do
+    typedef  executors::work work;
+  private:
+
+    struct shared_state {
+      typedef  executors::work work;
+
+      Executor ex_;
+      future<void> fut_; // protected by mtx_
+      bool closed_; // protected by mtx_
+      mutex mtx_;
+
+      struct continuation {
+        work task;
+        template <class X>
+        struct result {
+          typedef void type;
+        };
+        continuation(BOOST_THREAD_RV_REF(work) tsk)
+        : task(boost::move(tsk)) {}
+        void operator()(future<void> f)
+        {
+          try {
+            task();
+          } catch (...)  {
+            std::terminate();
+          }
+        }
+      };
+
+      bool closed(lock_guard<mutex>&) const
+      {
+        return closed_;
+      }
+    public:
+      /**
+       * \par Returns
+       * The underlying executor wrapped on a generic executor reference.
+       */
+      Executor& underlying_executor() BOOST_NOEXCEPT { return ex_; }
+
+      /// shared_state is not copyable.
+      BOOST_THREAD_NO_COPYABLE(shared_state)
+
+      /**
+       * \b Effects: creates a serial executor that runs closures in fifo order using one the associated executor.
+       *
+       * \b Throws: Whatever exception is thrown while initializing the needed resources.
+       *
+       * \b Notes:
+       * * The lifetime of the associated executor must outlive the serial executor.
+       * * The current implementation doesn't support submission from synchronous continuation, that is,
+       *     - the executor must execute the continuation asynchronously or
+       *     - the continuation can not submit to this serial executor.
+       */
+      shared_state(Executor& ex)
+      : ex_(ex), fut_(make_ready_future()), closed_(false)
+      {
+      }
+      /**
+       * \b Effects: Destroys the thread pool.
+       *
+       * \b Synchronization: The completion of all the closures happen before the completion of the \c serial_executor_cont destructor.
+       */
+      ~shared_state()
+      {
+        // signal to the worker thread that there will be no more submissions.
+        close();
+      }
+
+      /**
+       * \b Effects: close the \c serial_executor_cont for submissions.
+       * The loop will work until there is no more closures to run.
+       */
+      void close()
+      {
+        lock_guard<mutex> lk(mtx_);
+        closed_ = true;;
+      }
+
+      /**
+       * \b Returns: whether the pool is closed for submissions.
+       */
+      bool closed()
+      {
+        lock_guard<mutex> lk(mtx_);
+        return closed(lk);
+      }
+
+      /**
+       * \b Requires: \c Closure is a model of \c Callable(void()) and a model of \c CopyConstructible/MoveConstructible.
+       *
+       * \b Effects: The specified \c closure will be scheduled for execution after the last submitted closure finish.
+       * If the invoked closure throws an exception the \c serial_executor_cont will call \c std::terminate, as is the case with threads.
+       *
+       * \b Throws: \c sync_queue_is_closed if the executor is closed.
+       * Whatever exception that can be throw while storing the closure.
+       *
+       */
+
+  #if defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
+      template <typename Closure>
+      void submit(Closure & closure)
+      {
+        lock_guard<mutex> lk(mtx_);
+        if (closed(lk))       BOOST_THROW_EXCEPTION( sync_queue_is_closed() );
+        fut_ = fut_.then(ex_, continuation(work(closure)));
+      }
+  #endif
+      void submit(void (*closure)())
+      {
+        lock_guard<mutex> lk(mtx_);
+        if (closed(lk))       BOOST_THROW_EXCEPTION( sync_queue_is_closed() );
+        fut_ = fut_.then(ex_, continuation(work(closure)));
+      }
+
+      template <typename Closure>
+      void submit(BOOST_THREAD_RV_REF(Closure) closure)
+      {
+        lock_guard<mutex> lk(mtx_);
+        if (closed(lk))       BOOST_THROW_EXCEPTION( sync_queue_is_closed() );
+        fut_ = fut_.then(ex_, continuation(work(boost::forward<Closure>(closure))));
+      }
+    };
+  public:
+    /**
+     * \b Effects: creates a thread pool that runs closures using one of its closure-executing methods.
+     *
+     * \b Throws: Whatever exception is thrown while initializing the needed resources.
+     */
+    serial_executor_cont(Executor& ex)
+    : pimpl(make_shared<shared_state>(ex))
+    {
+    }
+    /**
+     * \b Effects: Destroys the thread pool.
+     *
+     * \b Synchronization: The completion of all the closures happen before the completion of the \c serial_executor destructor.
+     */
+    ~serial_executor_cont()
+    {
+    }
+
+    /**
+     * \par Returns
+     * The underlying executor wrapped on a generic executor reference.
+     */
+    Executor& underlying_executor() BOOST_NOEXCEPT
+    {
+      return pimpl->underlying_executor();
+    }
+
+    /**
+     * \b Returns: always false as a serial executor can not re-enter.
+     * Remark: A serial executor can not execute one of its pending tasks as the tasks depends on the other tasks.
+     */
+    bool try_executing_one()
+    {
+      return false;
+    }
+
+    /**
+     * \b Effects: close the \c serial_executor for submissions.
+     * The loop will work until there is no more closures to run.
+     */
+    void close()
+    {
+      pimpl->close();
+    }
+
+    /**
+     * \b Returns: whether the pool is closed for submissions.
+     */
+    bool closed()
+    {
+      return pimpl->closed();
+    }
+
+    /**
+     * \b Requires: \c Closure is a model of \c Callable(void()) and a model of \c CopyConstructible/MoveConstructible.
+     *
+     * \b Effects: The specified \c closure will be scheduled for execution at some point in the future.
+     * If invoked closure throws an exception the \c serial_executor will call \c std::terminate, as is the case with threads.
+     *
+     * \b Synchronization: completion of \c closure on a particular thread happens before destruction of thread's thread local variables.
+     *
+     * \b Throws: \c sync_queue_is_closed if the thread pool is closed.
+     * Whatever exception that can be throw while storing the closure.
+     */
+
+#if defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
+    template <typename Closure>
+    void submit(Closure & closure)
+    {
+      pimpl->submit(closure);
+    }
+#endif
+    void submit(void (*closure)())
+    {
+      pimpl->submit(closure);
+    }
+
+    template <typename Closure>
+    void submit(BOOST_THREAD_FWD_REF(Closure) closure)
+    {
+      pimpl->submit(boost::forward<Closure>(closure));
+    }
+
+    /**
+     * \b Returns: always false as a serial executor can not re-enter.
+     * Remark: A serial executor can not execute one of its pending tasks as the tasks depends on the other tasks.
+     */
+    template <typename Pred>
+    bool reschedule_until(Pred const& pred)
+    {
+      return false;
+    }
+  private:
+    shared_ptr<shared_state> pimpl;
+  };
+}
+using executors::serial_executor_cont;
+}
+
+#include <boost/config/abi_suffix.hpp>
+
+#endif

include/boost/thread/executors/thread_executor.hpp

@@ -1,4 +1,4 @@
-// Copyright (C) 2014 Vicente J. Botet Escriba
+// Copyright (C) 2014-2015 Vicente J. Botet Escriba
 //
 //  Distributed under the Boost Software License, Version 1.0. (See accompanying
 //  file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -18,6 +18,9 @@
 #include <boost/thread/scoped_thread.hpp>
 #include <boost/thread/csbl/vector.hpp>
 
+#include <boost/smart_ptr/shared_ptr.hpp>
+#include <boost/smart_ptr/make_shared.hpp>
+
 #include <boost/config/abi_prefix.hpp>
 
 namespace boost
@@ -29,33 +32,148 @@ namespace executors
   public:
     /// type-erasure to store the works to do
     typedef  executors::work work;
-    bool closed_;
-    typedef scoped_thread<> thread_t;
-    typedef csbl::vector<thread_t> threads_type;
-    threads_type threads_;
-    mutable mutex mtx_;
+  private:
 
-    /**
-     * Effects: try to execute one task.
-     * Returns: whether a task has been executed.
-     * Throws: whatever the current task constructor throws or the task() throws.
-     */
-    bool try_executing_one()
-    {
-      return false;
-    }
+    struct shared_state {
+      typedef  executors::work work;
+      bool closed_;
+      //typedef scoped_thread<> thread_t;
+      typedef thread thread_t;
+      typedef csbl::vector<thread_t> threads_type;
+      threads_type threads_;
+      mutable mutex mtx_;
 
+      /// thread_executor::shared_state is not copyable.
+      BOOST_THREAD_NO_COPYABLE(shared_state)
+
+      /**
+       * \b Effects: creates a inline executor that runs closures immediately.
+       *
+       * \b Throws: Nothing.
+       */
+      shared_state()
+      : closed_(false)
+      {
+      }
+      /**
+       * \b Effects: Waits for closures (if any) to complete, then joins and destroys the threads.
+       *
+       * \b Synchronization: The completion of all the closures happen before the completion of the \c thread_executor destructor.
+       */
+      ~shared_state()
+      {
+        // signal to all the worker thread that there will be no more submissions.
+        close();
+        // all the scoped threads will join before destroying
+        join();
+      }
+
+      /**
+       * \b Effects: join all the threads.
+       */
+      void join()
+      {
+        for (unsigned i = 0; i < threads_.size(); ++i)
+        {
+          if (this_thread::get_id() == threads_[i].get_id()) continue;
+          threads_[i].join();
+        }
+      }
+
+      /**
+       * Effects: try to execute one task.
+       * Returns: whether a task has been executed.
+       * Throws: whatever the current task constructor throws or the task() throws.
+       */
+      bool try_executing_one()
+      {
+        return false;
+      }
+
+      /**
+       * \b Effects: close the \c thread_executor for submissions.
+       * The loop will work until there is no more closures to run.
+       */
+      void close()
+      {
+        lock_guard<mutex> lk(mtx_);
+        closed_ = true;
+      }
+
+      /**
+       * \b Returns: whether the pool is closed for submissions.
+       */
+      bool closed(lock_guard<mutex>& )
+      {
+        return closed_;
+      }
+      bool closed()
+      {
+        lock_guard<mutex> lk(mtx_);
+        return closed(lk);
+      }
+
+      /**
+       * \b Requires: \c Closure is a model of \c Callable(void()) and a model of \c CopyConstructible/MoveConstructible.
+       *
+       * \b Effects: The specified \c closure will be scheduled for execution at some point in the future.
+       * If invoked closure throws an exception the \c thread_executor will call \c std::terminate, as is the case with threads.
+       *
+       * \b Synchronization: completion of \c closure on a particular thread happens before destruction of thread's thread local variables.
+       *
+       * \b Throws: \c sync_queue_is_closed if the thread pool is closed.
+       * Whatever exception that can be throw while storing the closure.
+       */
+
+  #if defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
+      template <typename Closure>
+      void submit(Closure & closure)
+      {
+        lock_guard<mutex> lk(mtx_);
+        if (closed(lk))  BOOST_THROW_EXCEPTION( sync_queue_is_closed() );
+        threads_.reserve(threads_.size() + 1);
+        thread th(closure);
+        threads_.push_back(thread_t(boost::move(th)));
+      }
+  #endif
+      void submit(void (*closure)())
+      {
+        lock_guard<mutex> lk(mtx_);
+        if (closed(lk))  BOOST_THROW_EXCEPTION( sync_queue_is_closed() );
+        threads_.reserve(threads_.size() + 1);
+        thread th(closure);
+        threads_.push_back(thread_t(boost::move(th)));
+      }
+
+      template <typename Closure>
+      void submit(BOOST_THREAD_FWD_REF(Closure) closure)
+      {
+        lock_guard<mutex> lk(mtx_);
+        if (closed(lk))  BOOST_THROW_EXCEPTION( sync_queue_is_closed() );
+        threads_.reserve(threads_.size() + 1);
+        thread th(boost::forward<Closure>(closure));
+        threads_.push_back(thread_t(boost::move(th)));
+      }
+
+      /**
+       * \b Requires: This must be called from an scheduled task.
+       *
+       * \b Effects: reschedule functions until pred()
+       */
+      template <typename Pred>
+      bool reschedule_until(Pred const&)
+      {
+        return false;
+      }
+    };
   public:
-    /// thread_executor is not copyable.
-    BOOST_THREAD_NO_COPYABLE(thread_executor)
-
     /**
      * \b Effects: creates a inline executor that runs closures immediately.
      *
      * \b Throws: Nothing.
      */
     thread_executor()
-    : closed_(false)
+    : pimpl(make_shared<shared_state>())
     {
     }
     /**
@@ -65,9 +183,16 @@ namespace executors
      */
     ~thread_executor()
     {
-      // signal to all the worker thread that there will be no more submissions.
-      close();
-      // all the scoped threads will join before destroying
+    }
+
+    /**
+     * Effects: try to execute one task.
+     * Returns: whether a task has been executed.
+     * Throws: whatever the current task constructor throws or the task() throws.
+     */
+    bool try_executing_one()
+    {
+      return pimpl->try_executing_one();
     }
 
     /**
@@ -76,21 +201,15 @@ namespace executors
      */
     void close()
     {
-      lock_guard<mutex> lk(mtx_);
-      closed_ = true;
+      pimpl->close();
     }
 
     /**
      * \b Returns: whether the pool is closed for submissions.
      */
-    bool closed(lock_guard<mutex>& )
-    {
-      return closed_;
-    }
     bool closed()
     {
-      lock_guard<mutex> lk(mtx_);
-      return closed(lk);
+      return pimpl->closed();
     }
 
     /**
@@ -109,30 +228,18 @@ namespace executors
     template <typename Closure>
     void submit(Closure & closure)
     {
-      lock_guard<mutex> lk(mtx_);
-      if (closed(lk))  BOOST_THROW_EXCEPTION( sync_queue_is_closed() );
-      threads_.reserve(threads_.size() + 1);
-      thread th(closure);
-      threads_.push_back(thread_t(boost::move(th)));
+      pimpl->submit(closure);
     }
 #endif
     void submit(void (*closure)())
     {
-      lock_guard<mutex> lk(mtx_);
-      if (closed(lk))  BOOST_THROW_EXCEPTION( sync_queue_is_closed() );
-      threads_.reserve(threads_.size() + 1);
-      thread th(closure);
-      threads_.push_back(thread_t(boost::move(th)));
+      pimpl->submit(closure);
     }
 
     template <typename Closure>
     void submit(BOOST_THREAD_FWD_REF(Closure) closure)
     {
-      lock_guard<mutex> lk(mtx_);
-      if (closed(lk))  BOOST_THROW_EXCEPTION( sync_queue_is_closed() );
-      threads_.reserve(threads_.size() + 1);
-      thread th(boost::forward<Closure>(closure));
-      threads_.push_back(thread_t(boost::move(th)));
+      pimpl->submit(boost::forward<Closure>(closure));
     }
 
     /**
@@ -141,12 +248,14 @@ namespace executors
      * \b Effects: reschedule functions until pred()
      */
     template <typename Pred>
-    bool reschedule_until(Pred const&)
+    bool reschedule_until(Pred const& p)
     {
-      return false;
+      return pimpl->reschedule_until(p);
     }
-
+  private:
+    shared_ptr<shared_state> pimpl;
   };
+
 }
 using executors::thread_executor;
 }

include/boost/thread/executors/work.hpp

@@ -8,36 +8,23 @@
 #define BOOST_THREAD_EXECUTORS_WORK_HPP
 
 #include <boost/thread/detail/config.hpp>
-
-#if ! defined BOOST_THREAD_EXECUTORS_WORK_ACCEPTS_MOVABLE \
- && ! defined BOOST_THREAD_EXECUTORS_WORK_DONT_ACCEPT_MOVABLE
-#define BOOST_THREAD_EXECUTORS_WORK_ACCEPTS_MOVABLE
-//#define BOOST_THREAD_EXECUTORS_WORK_DONT_ACCEPT_MOVABLE
-#endif
-
-#if defined BOOST_THREAD_EXECUTORS_WORK_ACCEPTS_MOVABLE
-
 #include <boost/thread/detail/nullary_function.hpp>
-
-namespace boost
-{
-  namespace executors
-  {
-    typedef detail::nullary_function<void()> work;
-  }
-} // namespace boost
-
-#else
 #include <boost/thread/csbl/functional.hpp>
 
 namespace boost
 {
   namespace executors
   {
-    typedef csbl::function<void()> work;
+    typedef detail::nullary_function<void()> work;
+
+#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
+    typedef detail::nullary_function<void()> work_pq;
+    //typedef csbl::function<void()> work_pq;
+#else
+    typedef csbl::function<void()> work_pq;
+#endif
   }
 } // namespace boost
 
-#endif
 
 #endif //  BOOST_THREAD_EXECUTORS_WORK_HPP

include/boost/thread/experimental/parallel/v2/task_region.hpp

@@ -3,7 +3,7 @@
 
 //////////////////////////////////////////////////////////////////////////////
 //
-// (C) Copyright Vicente J. Botet Escriba 2014. Distributed under the Boost
+// (C) Copyright Vicente J. Botet Escriba 2014-2015. Distributed under the Boost
 // Software License, Version 1.0. (See accompanying file
 // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
 //
@@ -50,12 +50,13 @@ BOOST_THREAD_INLINE_NAMESPACE(v2)
     void handle_task_region_exceptions(exception_list& errors)
     {
       try {
-        boost::rethrow_exception(boost::current_exception());
-        //throw boost::current_exception();
+        throw;
       }
-      catch (task_canceled_exception& ex)
+#if defined BOOST_THREAD_TASK_REGION_HAS_SHARED_CANCELED
+      catch (task_canceled_exception&)
       {
       }
+#endif
       catch (exception_list const& el)
       {
         for (exception_list::const_iterator it = el.begin(); it != el.end(); ++it)
@@ -94,7 +95,7 @@ BOOST_THREAD_INLINE_NAMESPACE(v2)
         {
           lock_guard<mutex> lk(tr.mtx);
           tr.canceled = true;
-          handle_task_region_exceptions(tr.exs);
+          throw;
         }
       }
     };
@@ -115,16 +116,14 @@ BOOST_THREAD_INLINE_NAMESPACE(v2)
     template<typename F>
     friend void task_region_final(BOOST_THREAD_FWD_REF(F) f);
     template <class Ex, typename F>
-    friend void task_region(Ex&, BOOST_THREAD_FWD_REF(F) f);
+    friend void task_region(Ex const&, BOOST_THREAD_FWD_REF(F) f);
     template<class Ex, typename F>
-    friend void task_region_final(Ex&, BOOST_THREAD_FWD_REF(F) f);
+    friend void task_region_final(Ex const&, BOOST_THREAD_FWD_REF(F) f);
 
     void wait_all()
     {
       wait_for_all(group.begin(), group.end());
 
-      #if ! defined BOOST_THREAD_TASK_REGION_HAS_SHARED_CANCELED
-
       for (group_type::iterator it = group.begin(); it != group.end(); ++it)
       {
         future<void>& f = *it;
@@ -140,11 +139,9 @@ BOOST_THREAD_INLINE_NAMESPACE(v2)
           }
         }
       }
-      #endif
       if (exs.size() != 0)
       {
         boost::throw_exception(exs);
-        //throw exs;
       }
     }
 protected:
@@ -156,21 +153,20 @@ protected:
 #if defined BOOST_THREAD_TASK_REGION_HAS_SHARED_CANCELED && defined BOOST_THREAD_PROVIDES_EXECUTORS
     task_region_handle_gen()
     : canceled(false)
-    , ex(0)
     {}
-    task_region_handle_gen(Executor& ex)
+    task_region_handle_gen(Executor const& ex)
     : canceled(false)
-    , ex(&ex)
+    , ex(ex)
     {}
 
 #endif
 
 #if ! defined BOOST_THREAD_TASK_REGION_HAS_SHARED_CANCELED && defined BOOST_THREAD_PROVIDES_EXECUTORS
     task_region_handle_gen()
-    : ex(0)
+    //: ex(0)
     {}
-    task_region_handle_gen(Executor& ex)
-    : ex(&ex)
+    task_region_handle_gen(Executor const& ex)
+    : ex(ex)
     {}
 #endif
 
@@ -187,16 +183,15 @@ protected:
     }
 
 #if defined BOOST_THREAD_TASK_REGION_HAS_SHARED_CANCELED
+    mutable mutex mtx;
     bool canceled;
 #endif
 #if defined BOOST_THREAD_PROVIDES_EXECUTORS
-    Executor* ex;
+    Executor ex;
 #endif
     exception_list exs;
     typedef csbl::vector<future<void> > group_type;
     group_type group;
-    mutable mutex mtx;
-
 
   public:
     BOOST_DELETED_FUNCTION(task_region_handle_gen(const task_region_handle_gen&))
@@ -207,20 +202,21 @@ protected:
     template<typename F>
     void run(BOOST_THREAD_FWD_REF(F) f)
     {
-      lock_guard<mutex> lk(mtx);
 #if defined BOOST_THREAD_TASK_REGION_HAS_SHARED_CANCELED
-      if (canceled) {
-        boost::throw_exception(task_canceled_exception());
-        //throw task_canceled_exception();
+      {
+        lock_guard<mutex> lk(mtx);
+        if (canceled) {
+          boost::throw_exception(task_canceled_exception());
+        }
       }
 #if defined BOOST_THREAD_PROVIDES_EXECUTORS
-      group.push_back(async(*ex, detail::wrapped<task_region_handle_gen<Executor>, F>(*this, forward<F>(f))));
+      group.push_back(async(ex, detail::wrapped<task_region_handle_gen<Executor>, F>(*this, forward<F>(f))));
 #else
       group.push_back(async(detail::wrapped<task_region_handle_gen<Executor>, F>(*this, forward<F>(f))));
 #endif
 #else
 #if defined BOOST_THREAD_PROVIDES_EXECUTORS
-      group.push_back(async(*ex, forward<F>(f)));
+      group.push_back(async(ex, forward<F>(f)));
 #else
       group.push_back(async(forward<F>(f)));
 #endif
@@ -229,11 +225,12 @@ protected:
 
     void wait()
     {
-      lock_guard<mutex> lk(mtx);
 #if defined BOOST_THREAD_TASK_REGION_HAS_SHARED_CANCELED
-      if (canceled) {
-        boost::throw_exception(task_canceled_exception());
-        //throw task_canceled_exception{};
+      {
+        lock_guard<mutex> lk(mtx);
+        if (canceled) {
+          boost::throw_exception(task_canceled_exception());
+        }
       }
 #endif
       wait_all();
@@ -247,17 +244,18 @@ protected:
   class task_region_handle :
     public task_region_handle_gen<default_executor>
   {
-    default_executor tp;
+    //default_executor tp;
     template <typename F>
     friend void task_region(BOOST_THREAD_FWD_REF(F) f);
     template<typename F>
     friend void task_region_final(BOOST_THREAD_FWD_REF(F) f);
 
   protected:
-    task_region_handle() : task_region_handle_gen<default_executor>()
+    task_region_handle()
+    : task_region_handle_gen<default_executor>()
     {
 #if defined BOOST_THREAD_PROVIDES_EXECUTORS
-      ex = &tp;
+      //ex = &tp;
 #endif
     }
     BOOST_DELETED_FUNCTION(task_region_handle(const task_region_handle&))
@@ -267,7 +265,7 @@ protected:
   };
 
   template <typename Executor, typename F>
-  void task_region_final(Executor& ex, BOOST_THREAD_FWD_REF(F) f)
+  void task_region_final(Executor const& ex, BOOST_THREAD_FWD_REF(F) f)
   {
     task_region_handle_gen<Executor> tr(ex);
     try
@@ -276,14 +274,13 @@ protected:
     }
     catch (...)
     {
-      lock_guard<mutex> lk(tr.mtx);
       detail::handle_task_region_exceptions(tr.exs);
     }
     tr.wait_all();
   }
 
   template <typename Executor, typename F>
-  void task_region(Executor& ex, BOOST_THREAD_FWD_REF(F) f)
+  void task_region(Executor const& ex, BOOST_THREAD_FWD_REF(F) f)
   {
     task_region_final(ex, forward<F>(f));
   }
@@ -298,7 +295,6 @@ protected:
     }
     catch (...)
     {
-      lock_guard<mutex> lk(tr.mtx);
       detail::handle_task_region_exceptions(tr.exs);
     }
     tr.wait_all();

include/boost/thread/futures/wait_for_any.hpp

@@ -81,7 +81,7 @@ namespace boost
       };
 
       boost::condition_variable_any cv;
-      std::vector<registered_waiter> waiters;
+      std::vector<registered_waiter> waiters_;
       count_type future_count;
 
     public:
@@ -98,7 +98,7 @@ namespace boost
           registered_waiter waiter(f, f.notify_when_ready(cv), future_count);
           try
           {
-            waiters.push_back(waiter);
+            waiters_.push_back(waiter);
           }
           catch (...)
           {
@@ -120,14 +120,14 @@ namespace boost
 
       count_type wait()
       {
-        all_futures_lock lk(waiters);
+        all_futures_lock lk(waiters_);
         for (;;)
         {
-          for (count_type i = 0; i < waiters.size(); ++i)
+          for (count_type i = 0; i < waiters_.size(); ++i)
           {
-            if (waiters[i].future_->is_ready(lk.locks[i]))
+            if (waiters_[i].future_->is_ready(lk.locks[i]))
             {
-              return waiters[i].index;
+              return waiters_[i].index;
             }
           }
           cv.wait(lk);
@@ -136,9 +136,9 @@ namespace boost
 
       ~waiter_for_any_in_seq()
       {
-        for (count_type i = 0; i < waiters.size(); ++i)
+        for (count_type i = 0; i < waiters_.size(); ++i)
         {
-          waiters[i].future_->unnotify_when_ready(waiters[i].handle);
+          waiters_[i].future_->unnotify_when_ready(waiters_[i].handle);
         }
       }
     };

include/boost/thread/latch.hpp

@@ -72,6 +72,7 @@ namespace boost
     void wait()
     {
       boost::unique_lock<boost::mutex> lk(mutex_);
+      if (count_ == 0) return;
       std::size_t generation(generation_);
       cond_.wait(lk, detail::not_equal(generation, generation_));
     }
@@ -89,6 +90,7 @@ namespace boost
     cv_status wait_for(const chrono::duration<Rep, Period>& rel_time)
     {
       boost::unique_lock<boost::mutex> lk(mutex_);
+      if (count_ == 0) return cv_status::no_timeout;
       std::size_t generation(generation_);
       return cond_.wait_for(lk, rel_time, detail::not_equal(generation, generation_))
               ? cv_status::no_timeout
@@ -101,6 +103,7 @@ namespace boost
     cv_status wait_until(const chrono::time_point<Clock, Duration>& abs_time)
     {
       boost::unique_lock<boost::mutex> lk(mutex_);
+      if (count_ == 0) return cv_status::no_timeout;
       std::size_t generation(generation_);
       return cond_.wait_until(lk, abs_time, detail::not_equal(generation, generation_))
           ? cv_status::no_timeout

include/boost/thread/poly_lockable.hpp

@@ -31,7 +31,7 @@ namespace boost
   //]
 
   //[poly_lockable
-  class poly_lockable : public basic_poly_lockable<Lockable>
+  class poly_lockable : public basic_poly_lockable
   {
   public:
 
@@ -41,7 +41,7 @@ namespace boost
   //]
 
   //[timed_poly_lockable
-  class timed_poly_lockable: public poly_lockable<TimedLock>
+  class timed_poly_lockable: public poly_lockable
   {
   public:
     virtual ~timed_poly_lockable()=0;

include/boost/thread/pthread/condition_variable.hpp

@@ -156,11 +156,11 @@ namespace boost
             {
                 boost::throw_exception(thread_resource_error(res, "boost::condition_variable_any::condition_variable_any() failed in pthread_mutex_init"));
             }
-            int const res2=pthread_cond_init(&cond,NULL);
+            int const res2 = detail::monotonic_pthread_cond_init(cond);
             if(res2)
             {
                 BOOST_VERIFY(!pthread_mutex_destroy(&internal_mutex));
-                boost::throw_exception(thread_resource_error(res2, "boost::condition_variable_any::condition_variable_any() failed in pthread_cond_init"));
+                boost::throw_exception(thread_resource_error(res2, "boost::condition_variable_any::condition_variable_any() failed in detail::monotonic_pthread_cond_init"));
             }
         }
         ~condition_variable_any()
@@ -240,6 +240,8 @@ namespace boost
             return timed_wait(m,get_system_time()+wait_duration,pred);
         }
 #endif
+#ifndef BOOST_THREAD_HAS_CONDATTR_SET_CLOCK_MONOTONIC
+
 #ifdef BOOST_THREAD_USES_CHRONO
         template <class lock_type,class Duration>
         cv_status
@@ -268,22 +270,6 @@ namespace boost
           return Clock::now() < t ? cv_status::no_timeout : cv_status::timeout;
         }
 
-        template <class lock_type, class Clock, class Duration, class Predicate>
-        bool
-        wait_until(
-                lock_type& lock,
-                const chrono::time_point<Clock, Duration>& t,
-                Predicate pred)
-        {
-            while (!pred())
-            {
-                if (wait_until(lock, t) == cv_status::timeout)
-                    return pred();
-            }
-            return true;
-        }
-
-
         template <class lock_type, class Rep, class Period>
         cv_status
         wait_for(
@@ -299,24 +285,6 @@ namespace boost
 
         }
 
-
-        template <class lock_type, class Rep, class Period, class Predicate>
-        bool
-        wait_for(
-                lock_type& lock,
-                const chrono::duration<Rep, Period>& d,
-                Predicate pred)
-        {
-          return wait_until(lock, chrono::steady_clock::now() + d, boost::move(pred));
-
-//          while (!pred())
-//          {
-//              if (wait_for(lock, d) == cv_status::timeout)
-//                  return pred();
-//          }
-//          return true;
-        }
-
         template <class lock_type>
         cv_status wait_until(
             lock_type& lk,
@@ -329,6 +297,89 @@ namespace boost
             else return cv_status::timeout;
         }
 #endif
+#else // defined BOOST_THREAD_HAS_CONDATTR_SET_CLOCK_MONOTONIC
+#ifdef BOOST_THREAD_USES_CHRONO
+
+        template <class lock_type, class Duration>
+        cv_status
+        wait_until(
+            lock_type& lock,
+            const chrono::time_point<chrono::steady_clock, Duration>& t)
+        {
+            using namespace chrono;
+            typedef time_point<steady_clock, nanoseconds> nano_sys_tmpt;
+            wait_until(lock,
+                        nano_sys_tmpt(ceil<nanoseconds>(t.time_since_epoch())));
+            return steady_clock::now() < t ? cv_status::no_timeout :
+                                             cv_status::timeout;
+        }
+
+        template <class lock_type, class Clock, class Duration>
+        cv_status
+        wait_until(
+            lock_type& lock,
+            const chrono::time_point<Clock, Duration>& t)
+        {
+            using namespace chrono;
+            steady_clock::time_point     s_now = steady_clock::now();
+            typename Clock::time_point  c_now = Clock::now();
+            wait_until(lock, s_now + ceil<nanoseconds>(t - c_now));
+            return Clock::now() < t ? cv_status::no_timeout : cv_status::timeout;
+        }
+
+        template <class lock_type, class Rep, class Period>
+        cv_status
+        wait_for(
+            lock_type& lock,
+            const chrono::duration<Rep, Period>& d)
+        {
+            using namespace chrono;
+            steady_clock::time_point c_now = steady_clock::now();
+            wait_until(lock, c_now + ceil<nanoseconds>(d));
+            return steady_clock::now() - c_now < d ? cv_status::no_timeout :
+                                                   cv_status::timeout;
+        }
+
+        inline cv_status wait_until(
+            unique_lock<mutex>& lk,
+            chrono::time_point<chrono::steady_clock, chrono::nanoseconds> tp)
+        {
+            using namespace chrono;
+            nanoseconds d = tp.time_since_epoch();
+            timespec ts = boost::detail::to_timespec(d);
+            if (do_wait_until(lk, ts)) return cv_status::no_timeout;
+            else return cv_status::timeout;
+        }
+
+#endif
+#endif // defined BOOST_THREAD_HAS_CONDATTR_SET_CLOCK_MONOTONIC
+
+#ifdef BOOST_THREAD_USES_CHRONO
+        template <class lock_type, class Clock, class Duration, class Predicate>
+        bool
+        wait_until(
+                lock_type& lock,
+                const chrono::time_point<Clock, Duration>& t,
+                Predicate pred)
+        {
+            while (!pred())
+            {
+                if (wait_until(lock, t) == cv_status::timeout)
+                    return pred();
+            }
+            return true;
+        }
+
+        template <class lock_type, class Rep, class Period, class Predicate>
+        bool
+        wait_for(
+                lock_type& lock,
+                const chrono::duration<Rep, Period>& d,
+                Predicate pred)
+        {
+          return wait_until(lock, chrono::steady_clock::now() + d, boost::move(pred));
+        }
+#endif
 
         void notify_one() BOOST_NOEXCEPT
         {

include/boost/thread/pthread/condition_variable_fwd.hpp

@@ -28,6 +28,26 @@
 
 namespace boost
 {
+  namespace detail {
+    inline int monotonic_pthread_cond_init(pthread_cond_t& cond) {
+
+#ifdef BOOST_THREAD_HAS_CONDATTR_SET_CLOCK_MONOTONIC
+            pthread_condattr_t attr;
+            int res = pthread_condattr_init(&attr);
+            if (res)
+            {
+              return res;
+            }
+            pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);
+            res=pthread_cond_init(&cond,&attr);
+            pthread_condattr_destroy(&attr);
+            return res;
+#else
+            return pthread_cond_init(&cond,NULL);
+#endif
+
+    }
+  }
 
     class condition_variable
     {
@@ -56,19 +76,19 @@ namespace boost
         condition_variable()
         {
 #if defined BOOST_THREAD_PROVIDES_INTERRUPTIONS
-            int const res=pthread_mutex_init(&internal_mutex,NULL);
+            int res=pthread_mutex_init(&internal_mutex,NULL);
             if(res)
             {
                 boost::throw_exception(thread_resource_error(res, "boost::condition_variable::condition_variable() constructor failed in pthread_mutex_init"));
             }
 #endif
-            int const res2=pthread_cond_init(&cond,NULL);
-            if(res2)
+            res = detail::monotonic_pthread_cond_init(cond);
+            if (res)
             {
 #if defined BOOST_THREAD_PROVIDES_INTERRUPTIONS
                 BOOST_VERIFY(!pthread_mutex_destroy(&internal_mutex));
 #endif
-                boost::throw_exception(thread_resource_error(res2, "boost::condition_variable::condition_variable() constructor failed in pthread_cond_init"));
+                boost::throw_exception(thread_resource_error(res, "boost::condition_variable::condition_variable() constructor failed in detail::monotonic_pthread_cond_init"));
             }
         }
         ~condition_variable()
@@ -94,7 +114,6 @@ namespace boost
             while(!pred()) wait(m);
         }
 
-
 #if defined BOOST_THREAD_USES_DATETIME
         inline bool timed_wait(
             unique_lock<mutex>& m,
@@ -120,6 +139,15 @@ namespace boost
             unique_lock<mutex>& m,
             duration_type const& wait_duration)
         {
+            if (wait_duration.is_pos_infinity())
+            {
+                wait(m); // or do_wait(m,detail::timeout::sentinel());
+                return true;
+            }
+            if (wait_duration.is_special())
+            {
+                return true;
+            }
             return timed_wait(m,get_system_time()+wait_duration);
         }
 
@@ -149,10 +177,24 @@ namespace boost
             unique_lock<mutex>& m,
             duration_type const& wait_duration,predicate_type pred)
         {
+            if (wait_duration.is_pos_infinity())
+            {
+                while (!pred())
+                {
+                  wait(m); // or do_wait(m,detail::timeout::sentinel());
+                }
+                return true;
+            }
+            if (wait_duration.is_special())
+            {
+                return pred();
+            }
             return timed_wait(m,get_system_time()+wait_duration,pred);
         }
 #endif
 
+#ifndef BOOST_THREAD_HAS_CONDATTR_SET_CLOCK_MONOTONIC
+
 #ifdef BOOST_THREAD_USES_CHRONO
 
         template <class Duration>
@@ -182,20 +224,6 @@ namespace boost
           return Clock::now() < t ? cv_status::no_timeout : cv_status::timeout;
         }
 
-        template <class Clock, class Duration, class Predicate>
-        bool
-        wait_until(
-                unique_lock<mutex>& lock,
-                const chrono::time_point<Clock, Duration>& t,
-                Predicate pred)
-        {
-            while (!pred())
-            {
-                if (wait_until(lock, t) == cv_status::timeout)
-                    return pred();
-            }
-            return true;
-        }
 
 
         template <class Rep, class Period>
@@ -213,6 +241,90 @@ namespace boost
 
         }
 
+        inline cv_status wait_until(
+            unique_lock<mutex>& lk,
+            chrono::time_point<chrono::system_clock, chrono::nanoseconds> tp)
+        {
+            using namespace chrono;
+            nanoseconds d = tp.time_since_epoch();
+            timespec ts = boost::detail::to_timespec(d);
+            if (do_wait_until(lk, ts)) return cv_status::no_timeout;
+            else return cv_status::timeout;
+        }
+#endif
+
+#else // defined BOOST_THREAD_HAS_CONDATTR_SET_CLOCK_MONOTONIC
+#ifdef BOOST_THREAD_USES_CHRONO
+
+        template <class Duration>
+        cv_status
+        wait_until(
+              unique_lock<mutex>& lock,
+              const chrono::time_point<chrono::steady_clock, Duration>& t)
+        {
+            using namespace chrono;
+            typedef time_point<steady_clock, nanoseconds> nano_sys_tmpt;
+            wait_until(lock,
+                        nano_sys_tmpt(ceil<nanoseconds>(t.time_since_epoch())));
+            return steady_clock::now() < t ? cv_status::no_timeout :
+                                             cv_status::timeout;
+        }
+
+        template <class Clock, class Duration>
+        cv_status
+        wait_until(
+            unique_lock<mutex>& lock,
+            const chrono::time_point<Clock, Duration>& t)
+        {
+            using namespace chrono;
+            steady_clock::time_point     s_now = steady_clock::now();
+            typename Clock::time_point  c_now = Clock::now();
+            wait_until(lock, s_now + ceil<nanoseconds>(t - c_now));
+            return Clock::now() < t ? cv_status::no_timeout : cv_status::timeout;
+        }
+
+        template <class Rep, class Period>
+        cv_status
+        wait_for(
+            unique_lock<mutex>& lock,
+            const chrono::duration<Rep, Period>& d)
+        {
+            using namespace chrono;
+            steady_clock::time_point c_now = steady_clock::now();
+            wait_until(lock, c_now + ceil<nanoseconds>(d));
+            return steady_clock::now() - c_now < d ? cv_status::no_timeout :
+                                                   cv_status::timeout;
+        }
+
+        inline cv_status wait_until(
+            unique_lock<mutex>& lk,
+            chrono::time_point<chrono::steady_clock, chrono::nanoseconds> tp)
+        {
+            using namespace chrono;
+            nanoseconds d = tp.time_since_epoch();
+            timespec ts = boost::detail::to_timespec(d);
+            if (do_wait_until(lk, ts)) return cv_status::no_timeout;
+            else return cv_status::timeout;
+        }
+#endif
+
+#endif // defined BOOST_THREAD_HAS_CONDATTR_SET_CLOCK_MONOTONIC
+
+#ifdef BOOST_THREAD_USES_CHRONO
+        template <class Clock, class Duration, class Predicate>
+        bool
+        wait_until(
+                unique_lock<mutex>& lock,
+                const chrono::time_point<Clock, Duration>& t,
+                Predicate pred)
+        {
+            while (!pred())
+            {
+                if (wait_until(lock, t) == cv_status::timeout)
+                    return pred();
+            }
+            return true;
+        }
 
         template <class Rep, class Period, class Predicate>
         bool
@@ -222,13 +334,6 @@ namespace boost
                 Predicate pred)
         {
           return wait_until(lock, chrono::steady_clock::now() + d, boost::move(pred));
-
-//          while (!pred())
-//          {
-//              if (wait_for(lock, d) == cv_status::timeout)
-//                  return pred();
-//          }
-//          return true;
         }
 #endif
 
@@ -242,18 +347,7 @@ namespace boost
         void notify_one() BOOST_NOEXCEPT;
         void notify_all() BOOST_NOEXCEPT;
 
-#ifdef BOOST_THREAD_USES_CHRONO
-        inline cv_status wait_until(
-            unique_lock<mutex>& lk,
-            chrono::time_point<chrono::system_clock, chrono::nanoseconds> tp)
-        {
-            using namespace chrono;
-            nanoseconds d = tp.time_since_epoch();
-            timespec ts = boost::detail::to_timespec(d);
-            if (do_wait_until(lk, ts)) return cv_status::no_timeout;
-            else return cv_status::timeout;
-        }
-#endif
+
     };
 
     BOOST_THREAD_DECL void notify_all_at_thread_exit(condition_variable& cond, unique_lock<mutex> lk);

include/boost/thread/pthread/mutex.hpp

@@ -1,12 +1,13 @@
 #ifndef BOOST_THREAD_PTHREAD_MUTEX_HPP
 #define BOOST_THREAD_PTHREAD_MUTEX_HPP
 // (C) Copyright 2007-8 Anthony Williams
-// (C) Copyright 2011-2012 Vicente J. Botet Escriba
+// (C) Copyright 2011,2012,2015 Vicente J. Botet Escriba
 // Distributed under the Boost Software License, Version 1.0. (See
 // accompanying file LICENSE_1_0.txt or copy at
 // http://www.boost.org/LICENSE_1_0.txt)
 
 #include <boost/thread/detail/config.hpp>
+#include <boost/assert.hpp>
 #include <pthread.h>
 #include <boost/throw_exception.hpp>
 #include <boost/core/ignore_unused.hpp>
@@ -26,13 +27,12 @@
 #endif
 #include <boost/thread/detail/delete.hpp>
 
-#ifdef _POSIX_TIMEOUTS
-#if _POSIX_TIMEOUTS >= 0 && _POSIX_TIMEOUTS>=200112L
+#if (defined(_POSIX_TIMEOUTS) && (_POSIX_TIMEOUTS-0)>=200112L) \
+ || (defined(__ANDROID__) && defined(__ANDROID_API__) && __ANDROID_API__ >= 21)
 #ifndef BOOST_PTHREAD_HAS_TIMEDLOCK
 #define BOOST_PTHREAD_HAS_TIMEDLOCK
 #endif
 #endif
-#endif
 
 
 #include <boost/config/abi_prefix.hpp>
@@ -123,10 +123,12 @@ namespace boost
         void unlock()
         {
             int res = posix::pthread_mutex_unlock(&m);
-            if (res)
-            {
-                boost::throw_exception(lock_error(res,"boost: mutex unlock failed in pthread_mutex_unlock"));
-            }
+            (void)res;
+            BOOST_ASSERT(res == 0);
+//            if (res)
+//            {
+//                boost::throw_exception(lock_error(res,"boost: mutex unlock failed in pthread_mutex_unlock"));
+//            }
         }
 
         bool try_lock()
@@ -219,10 +221,12 @@ namespace boost
         void unlock()
         {
             int res = posix::pthread_mutex_unlock(&m);
-            if (res)
-            {
-                boost::throw_exception(lock_error(res,"boost: mutex unlock failed in pthread_mutex_unlock"));
-            }
+            (void)res;
+            BOOST_ASSERT(res == 0);
+//            if (res)
+//            {
+//                boost::throw_exception(lock_error(res,"boost: mutex unlock failed in pthread_mutex_unlock"));
+//            }
         }
 
         bool try_lock()

include/boost/thread/pthread/once_atomic.hpp

@@ -214,7 +214,7 @@ namespace boost
       thread_detail::commit_once_region(flag);
     }
   }
-
+#if !(defined(__SUNPRO_CC) && BOOST_WORKAROUND(__SUNPRO_CC, <= 0x5130))
   template<typename Function>
   inline void call_once(once_flag& flag, BOOST_THREAD_RV_REF(Function) f)
   {
@@ -302,7 +302,7 @@ namespace boost
     }
   }
 
-
+#endif // __SUNPRO_CC
 
 #endif
 }

include/boost/thread/pthread/recursive_mutex.hpp

@@ -27,16 +27,19 @@
 #endif
 #include <boost/thread/detail/delete.hpp>
 
-#ifdef _POSIX_TIMEOUTS
-#if _POSIX_TIMEOUTS >= 0 && _POSIX_TIMEOUTS>=200112L
+#if (defined _POSIX_TIMEOUTS && (_POSIX_TIMEOUTS-0)>=200112L) \
+ || (defined __ANDROID__ && defined __ANDROID_API__ && __ANDROID_API__ >= 21)
 #ifndef BOOST_PTHREAD_HAS_TIMEDLOCK
 #define BOOST_PTHREAD_HAS_TIMEDLOCK
 #endif
 #endif
+
+#if  defined BOOST_HAS_PTHREAD_MUTEXATTR_SETTYPE \
+ ||  defined __ANDROID__
+#define BOOST_THREAD_HAS_PTHREAD_MUTEXATTR_SETTYPE
 #endif
 
-
-#if defined(BOOST_HAS_PTHREAD_MUTEXATTR_SETTYPE) && defined(BOOST_PTHREAD_HAS_TIMEDLOCK)
+#if defined BOOST_THREAD_HAS_PTHREAD_MUTEXATTR_SETTYPE && defined BOOST_PTHREAD_HAS_TIMEDLOCK
 #define BOOST_USE_PTHREAD_RECURSIVE_TIMEDLOCK
 #endif
 
@@ -48,7 +51,7 @@ namespace boost
     {
     private:
         pthread_mutex_t m;
-#ifndef BOOST_HAS_PTHREAD_MUTEXATTR_SETTYPE
+#ifndef BOOST_THREAD_HAS_PTHREAD_MUTEXATTR_SETTYPE
         pthread_cond_t cond;
         bool is_locked;
         pthread_t owner;
@@ -58,7 +61,7 @@ namespace boost
         BOOST_THREAD_NO_COPYABLE(recursive_mutex)
         recursive_mutex()
         {
-#ifdef BOOST_HAS_PTHREAD_MUTEXATTR_SETTYPE
+#ifdef BOOST_THREAD_HAS_PTHREAD_MUTEXATTR_SETTYPE
             pthread_mutexattr_t attr;
 
             int const init_attr_res=pthread_mutexattr_init(&attr);
@@ -99,12 +102,12 @@ namespace boost
         ~recursive_mutex()
         {
             BOOST_VERIFY(!pthread_mutex_destroy(&m));
-#ifndef BOOST_HAS_PTHREAD_MUTEXATTR_SETTYPE
+#ifndef BOOST_THREAD_HAS_PTHREAD_MUTEXATTR_SETTYPE
             BOOST_VERIFY(!pthread_cond_destroy(&cond));
 #endif
         }
 
-#ifdef BOOST_HAS_PTHREAD_MUTEXATTR_SETTYPE
+#ifdef BOOST_THREAD_HAS_PTHREAD_MUTEXATTR_SETTYPE
         void lock()
         {
             BOOST_VERIFY(!pthread_mutex_lock(&m));

include/boost/thread/pthread/thread_data.hpp

@@ -13,7 +13,8 @@
 #include <boost/thread/mutex.hpp>
 #include <boost/thread/pthread/condition_variable_fwd.hpp>
 
-#include <boost/shared_ptr.hpp>
+//#include <boost/shared_ptr.hpp>
+#include <boost/thread/csbl/memory/shared_ptr.hpp>
 #include <boost/enable_shared_from_this.hpp>
 #include <boost/assert.hpp>
 #ifdef BOOST_THREAD_USES_CHRONO
@@ -115,14 +116,19 @@ namespace boost
             boost::detail::thread_exit_callback_node* thread_exit_callbacks;
             std::map<void const*,boost::detail::tss_data_node> tss_data;
 
+//#if defined BOOST_THREAD_PROVIDES_INTERRUPTIONS
+            // These data must be at the end so that the access to the other fields doesn't change
+            // when BOOST_THREAD_PROVIDES_INTERRUPTIONS is defined.
+            // Another option is to have them always
             pthread_mutex_t* cond_mutex;
             pthread_cond_t* current_cond;
+//#endif
             typedef std::vector<std::pair<condition_variable*, mutex*>
             //, hidden_allocator<std::pair<condition_variable*, mutex*> >
             > notify_list_t;
             notify_list_t notify;
 
-            typedef std::vector<shared_ptr<shared_state_base> > async_states_t;
+            typedef std::vector<csbl::shared_ptr<shared_state_base> > async_states_t;
             async_states_t async_states_;
 
 //#if defined BOOST_THREAD_PROVIDES_INTERRUPTIONS
@@ -136,8 +142,10 @@ namespace boost
                 thread_handle(0),
                 done(false),join_started(false),joined(false),
                 thread_exit_callbacks(0),
+//#if defined BOOST_THREAD_PROVIDES_INTERRUPTIONS
                 cond_mutex(0),
                 current_cond(0),
+//#endif
                 notify(),
                 async_states_()
 //#if defined BOOST_THREAD_PROVIDES_INTERRUPTIONS
@@ -155,7 +163,7 @@ namespace boost
               notify.push_back(std::pair<condition_variable*, mutex*>(cv, m));
             }
 
-            void make_ready_at_thread_exit(shared_ptr<shared_state_base> as)
+            void make_ready_at_thread_exit(csbl::shared_ptr<shared_state_base> as)
             {
               async_states_.push_back(as);
             }
@@ -252,7 +260,7 @@ namespace boost
           inline
           void BOOST_SYMBOL_VISIBLE sleep_for(const chrono::nanoseconds& ns)
           {
-              return boost::this_thread::hiden::sleep_for(boost::detail::to_timespec(ns));
+              return boost::this_thread::no_interruption_point::hiden::sleep_for(boost::detail::to_timespec(ns));
           }
     #endif
     #endif // BOOST_THREAD_USES_CHRONO

include/boost/thread/shared_mutex.hpp

@@ -28,6 +28,7 @@
 
 namespace boost
 {
+  typedef shared_mutex shared_timed_mutex;
   namespace sync
   {
 #ifdef BOOST_THREAD_NO_AUTO_DETECT_MUTEX_TYPES

include/boost/thread/user_scheduler.hpp

@@ -13,7 +13,7 @@
 #include <boost/thread/detail/delete.hpp>
 #include <boost/thread/detail/move.hpp>
 #include <boost/thread/concurrent_queues/sync_queue.hpp>
-#include <boost/thread/detail/work.hpp>
+#include <boost/thread/executors/work.hpp>
 
 #include <boost/config/abi_prefix.hpp>
 

include/boost/thread/v2/thread.hpp

@@ -91,7 +91,7 @@ namespace boost
         cv.wait_until(lk, t);
     }
 
-#ifdef BOOST_THREAD_SLEEP_FOR_IS_STEADY
+#if defined BOOST_THREAD_SLEEP_FOR_IS_STEADY && ! defined BOOST_THREAD_HAS_CONDATTR_SET_CLOCK_MONOTONIC
 
     template <class Rep, class Period>
     void sleep_for(const chrono::duration<Rep, Period>& d)

include/boost/thread/win32/condition_variable.hpp

@@ -339,8 +339,8 @@ namespace boost
         {
           if (wait_duration.is_pos_infinity())
           {
-              wait(m); // or do_wait(m,detail::timeout::sentinel());
-              return true;
+            wait(m); // or do_wait(m,detail::timeout::sentinel());
+            return true;
           }
           if (wait_duration.is_special())
           {
@@ -362,6 +362,18 @@ namespace boost
         template<typename duration_type,typename predicate_type>
         bool timed_wait(unique_lock<mutex>& m,duration_type const& wait_duration,predicate_type pred)
         {
+            if (wait_duration.is_pos_infinity())
+            {
+              while (!pred())
+              {
+                wait(m); // or do_wait(m,detail::timeout::sentinel());
+              }
+              return true;
+            }
+            if (wait_duration.is_special())
+            {
+              return pred();
+            }
             return do_wait(m,wait_duration.total_milliseconds(),pred);
         }
 #endif

include/boost/thread/win32/shared_mutex.hpp

@@ -139,6 +139,7 @@ namespace boost
 
         void lock_shared()
         {
+
 #if defined BOOST_THREAD_USES_DATETIME
             BOOST_VERIFY(timed_lock_shared(::boost::detail::get_system_time_sentinel()));
 #else
@@ -389,6 +390,7 @@ namespace boost
 
         void lock()
         {
+
 #if defined BOOST_THREAD_USES_DATETIME
             BOOST_VERIFY(timed_lock(::boost::detail::get_system_time_sentinel()));
 #else
@@ -739,6 +741,7 @@ namespace boost
                 new_state.upgrade=false;
                 bool const last_reader=!--new_state.shared_count;
 
+                new_state.shared_waiting=0;
                 if(last_reader)
                 {
                     if(new_state.exclusive_waiting)
@@ -746,7 +749,6 @@ namespace boost
                         --new_state.exclusive_waiting;
                         new_state.exclusive_waiting_blocked=false;
                     }
-                    new_state.shared_waiting=0;
                 }
 
                 state_data const current_state=interlocked_compare_exchange(&state,new_state,old_state);

include/boost/thread/win32/thread_data.hpp

@@ -280,12 +280,13 @@ namespace boost
         {
             interruptible_wait(abs_time);
         }
-#ifdef BOOST_THREAD_USES_CHRONO
-        inline void BOOST_SYMBOL_VISIBLE sleep_for(const chrono::nanoseconds& ns)
-        {
-          interruptible_wait(chrono::duration_cast<chrono::milliseconds>(ns).count());
-        }
-#endif
+// #11322   sleep_for() nanoseconds overload will always return too early on windows
+//#ifdef BOOST_THREAD_USES_CHRONO
+//        inline void BOOST_SYMBOL_VISIBLE sleep_for(const chrono::nanoseconds& ns)
+//        {
+//          interruptible_wait(chrono::duration_cast<chrono::milliseconds>(ns).count());
+//        }
+//#endif
         namespace no_interruption_point
         {
           bool BOOST_THREAD_DECL non_interruptible_wait(detail::win32::handle handle_to_wait_for,detail::timeout target_time);
@@ -306,12 +307,13 @@ namespace boost
           {
             non_interruptible_wait(abs_time);
           }
-#ifdef BOOST_THREAD_USES_CHRONO
-          inline void BOOST_SYMBOL_VISIBLE sleep_for(const chrono::nanoseconds& ns)
-          {
-            non_interruptible_wait(chrono::duration_cast<chrono::milliseconds>(ns).count());
-          }
-#endif
+// #11322   sleep_for() nanoseconds overload will always return too early on windows
+//#ifdef BOOST_THREAD_USES_CHRONO
+//          inline void BOOST_SYMBOL_VISIBLE sleep_for(const chrono::nanoseconds& ns)
+//          {
+//            non_interruptible_wait(chrono::duration_cast<chrono::milliseconds>(ns).count());
+//          }
+//#endif
         }
     }
 

include/boost/thread/win32/thread_primitives.hpp

@@ -35,6 +35,7 @@ namespace boost
             typedef HANDLE handle;
             typedef SYSTEM_INFO system_info;
             typedef unsigned __int64 ticks_type;
+            typedef FARPROC farproc_t;
             unsigned const infinite=INFINITE;
             unsigned const timeout=WAIT_TIMEOUT;
             handle const invalid_handle_value=INVALID_HANDLE_VALUE;
@@ -45,7 +46,7 @@ namespace boost
             unsigned const create_event_manual_reset = 0x00000001;
             unsigned const event_all_access = EVENT_ALL_ACCESS;
             unsigned const semaphore_all_access = SEMAPHORE_ALL_ACCESS;
-            
+
 
 # ifdef BOOST_NO_ANSI_APIS
 # if BOOST_USE_WINAPI_VERSION < BOOST_WINAPI_VERSION_VISTA
@@ -58,25 +59,28 @@ namespace boost
             using ::CreateSemaphoreExW;
 # endif
             using ::OpenEventW;
+            using ::GetModuleHandleW;
 # else
             using ::CreateMutexA;
             using ::CreateEventA;
             using ::OpenEventA;
             using ::CreateSemaphoreA;
+            using ::GetModuleHandleA;
 # endif
 #if BOOST_PLAT_WINDOWS_RUNTIME
             using ::GetNativeSystemInfo;
             using ::GetTickCount64;
 #else
             using ::GetSystemInfo;
+            using ::GetTickCount;
 #endif
             using ::CloseHandle;
             using ::ReleaseMutex;
             using ::ReleaseSemaphore;
             using ::SetEvent;
             using ::ResetEvent;
-            using ::WaitForMultipleObjectsEx;  
-            using ::WaitForSingleObjectEx;  
+            using ::WaitForMultipleObjectsEx;
+            using ::WaitForSingleObjectEx;
             using ::GetCurrentProcessId;
             using ::GetCurrentThreadId;
             using ::GetCurrentThread;
@@ -86,7 +90,8 @@ namespace boost
             using ::SleepEx;
             using ::Sleep;
             using ::QueueUserAPC;
-#endif           
+            using ::GetProcAddress;
+#endif
         }
     }
 }
@@ -135,6 +140,7 @@ namespace boost
             typedef void* handle;
             typedef _SYSTEM_INFO system_info;
             typedef unsigned __int64 ticks_type;
+            typedef int (__stdcall *farproc_t)();
             unsigned const infinite=~0U;
             unsigned const timeout=258U;
             handle const invalid_handle_value=(handle)(-1);
@@ -160,17 +166,20 @@ namespace boost
                 __declspec(dllimport) void* __stdcall CreateSemaphoreExW(_SECURITY_ATTRIBUTES*,long,long,wchar_t const*,unsigned long,unsigned long);
 # endif
                 __declspec(dllimport) void* __stdcall OpenEventW(unsigned long,int,wchar_t const*);
+                __declspec(dllimport) void* __stdcall GetModuleHandleW(wchar_t const*);
 # else
                 __declspec(dllimport) void* __stdcall CreateMutexA(_SECURITY_ATTRIBUTES*,int,char const*);
                 __declspec(dllimport) void* __stdcall CreateSemaphoreA(_SECURITY_ATTRIBUTES*,long,long,char const*);
                 __declspec(dllimport) void* __stdcall CreateEventA(_SECURITY_ATTRIBUTES*,int,int,char const*);
                 __declspec(dllimport) void* __stdcall OpenEventA(unsigned long,int,char const*);
+                __declspec(dllimport) void* __stdcall GetModuleHandleA(char const*);
 # endif
 #if BOOST_PLAT_WINDOWS_RUNTIME
                 __declspec(dllimport) void __stdcall GetNativeSystemInfo(_SYSTEM_INFO*);
                 __declspec(dllimport) ticks_type __stdcall GetTickCount64();
 #else
                 __declspec(dllimport) void __stdcall GetSystemInfo(_SYSTEM_INFO*);
+                __declspec(dllimport) unsigned long __stdcall GetTickCount();
 #endif
                 __declspec(dllimport) int __stdcall CloseHandle(void*);
                 __declspec(dllimport) int __stdcall ReleaseMutex(void*);
@@ -183,6 +192,7 @@ namespace boost
                 __declspec(dllimport) void __stdcall Sleep(unsigned long);
                 typedef void (__stdcall *queue_user_apc_callback_function)(ulong_ptr);
                 __declspec(dllimport) unsigned long __stdcall QueueUserAPC(queue_user_apc_callback_function,void*,ulong_ptr);
+                __declspec(dllimport) farproc_t __stdcall GetProcAddress(void *, const char *);
 #endif
 
 # ifndef UNDER_CE
@@ -216,17 +226,10 @@ namespace boost
     {
         namespace win32
         {
-            namespace detail { typedef int (__stdcall *farproc_t)(); typedef ticks_type (__stdcall *gettickcount64_t)(); }
+            namespace detail { typedef ticks_type (__stdcall *gettickcount64_t)(); }
 #if !BOOST_PLAT_WINDOWS_RUNTIME
             extern "C"
             {
-                __declspec(dllimport) detail::farproc_t __stdcall GetProcAddress(void *, const char *);
-#if !defined(BOOST_NO_ANSI_APIS)
-                __declspec(dllimport) void * __stdcall GetModuleHandleA(const char *);
-#else
-                __declspec(dllimport) void * __stdcall GetModuleHandleW(const wchar_t *);
-#endif
-                __declspec(dllimport) unsigned long __stdcall GetTickCount();
 #ifdef _MSC_VER
                 long _InterlockedCompareExchange(long volatile *, long, long);
 #pragma intrinsic(_InterlockedCompareExchange)
@@ -283,7 +286,7 @@ namespace boost
                 }
 
                 // Oops, we weren't called often enough, we're stuck
-                return 0xFFFFFFFF;     
+                return 0xFFFFFFFF;
             }
 #else
 #endif
@@ -292,13 +295,13 @@ namespace boost
                 static detail::gettickcount64_t gettickcount64impl;
                 if(gettickcount64impl)
                     return gettickcount64impl;
-                    
+
                 // GetTickCount and GetModuleHandle are not allowed in the Windows Runtime,
                 // and kernel32 isn't used in Windows Phone.
 #if BOOST_PLAT_WINDOWS_RUNTIME
                 gettickcount64impl = &GetTickCount64;
-#else               
-                detail::farproc_t addr=GetProcAddress(
+#else
+                farproc_t addr=GetProcAddress(
 #if !defined(BOOST_NO_ANSI_APIS)
                     GetModuleHandleA("KERNEL32.DLL"),
 #else
@@ -309,7 +312,7 @@ namespace boost
                     gettickcount64impl=(detail::gettickcount64_t) addr;
                 else
                     gettickcount64impl=&GetTickCount64emulation;
-#endif                    
+#endif
                 return gettickcount64impl;
             }
 
@@ -340,14 +343,14 @@ namespace boost
                 handle const res = win32::CreateEventW(0, type, state, mutex_name);
 #else
                 handle const res = win32::CreateEventExW(
-                    0, 
-                    mutex_name, 
+                    0,
+                    mutex_name,
                     type ? create_event_manual_reset : 0 | state ? create_event_initial_set : 0,
                     event_all_access);
 #endif
                 return res;
             }
-            
+
             inline handle create_anonymous_event(event_type type,initial_event_state state)
             {
                 handle const res = create_event(0, type, state);
@@ -371,7 +374,7 @@ namespace boost
 #endif
                 return res;
             }
-      
+
             inline handle create_anonymous_semaphore(long initial_count,long max_count)
             {
                 handle const res=create_anonymous_semaphore_nothrow(initial_count,max_count);
@@ -399,20 +402,20 @@ namespace boost
             {
                 BOOST_VERIFY(ReleaseSemaphore(semaphore,count,0)!=0);
             }
-            
+
             inline void get_system_info(system_info *info)
             {
 #if BOOST_PLAT_WINDOWS_RUNTIME
-                win32::GetNativeSystemInfo(info); 
+                win32::GetNativeSystemInfo(info);
 #else
                 win32::GetSystemInfo(info);
 #endif
             }
-            
+
             inline void sleep(unsigned long milliseconds)
             {
                 if(milliseconds == 0)
-                {                
+                {
 #if BOOST_PLAT_WINDOWS_RUNTIME
                     std::this_thread::yield();
 #else
@@ -422,13 +425,13 @@ namespace boost
                 else
                 {
 #if BOOST_PLAT_WINDOWS_RUNTIME
-                    ::boost::detail::win32::WaitForSingleObjectEx(::boost::detail::win32::GetCurrentThread(), milliseconds, 0); 
+                    ::boost::detail::win32::WaitForSingleObjectEx(::boost::detail::win32::GetCurrentThread(), milliseconds, 0);
 #else
                     ::boost::detail::win32::Sleep(milliseconds);
 #endif
                 }
             }
-            
+
 #if BOOST_PLAT_WINDOWS_RUNTIME
             class BOOST_THREAD_DECL scoped_winrt_thread
             {
@@ -636,7 +639,7 @@ namespace boost
                     }
                     old=current;
                 }
-                while(true);
+                while(true) ;
                 return (old&value)!=0;
             }
 
@@ -653,7 +656,7 @@ namespace boost
                     }
                     old=current;
                 }
-                while(true);
+                while(true) ;
                 return (old&value)!=0;
             }
         }

src/pthread/once.cpp

@@ -15,7 +15,7 @@
 #include <pthread.h>
 #include <stdlib.h>
 #include <memory>
-
+#include <string.h> // memcmp.
 namespace boost
 {
     namespace thread_detail
@@ -42,7 +42,6 @@ namespace boost
                 }
             }
 
-#if defined BOOST_THREAD_PATCH
             const pthread_once_t pthread_once_init_value=PTHREAD_ONCE_INIT;
             struct BOOST_THREAD_DECL delete_epoch_tss_key_on_dlclose_t
             {
@@ -58,7 +57,6 @@ namespace boost
                 }
             };
             delete_epoch_tss_key_on_dlclose_t delete_epoch_tss_key_on_dlclose;
-#endif
         }
 
         uintmax_atomic_t& get_once_per_thread_epoch()

src/pthread/thread.cpp

@@ -35,6 +35,7 @@
 #include <string>
 #include <set>
 #include <vector>
+#include <string.h> // memcmp.
 
 namespace boost
 {
@@ -80,6 +81,8 @@ namespace boost
                 static void tls_destructor(void* data)
                 {
                     boost::detail::thread_data_base* thread_info=static_cast<boost::detail::thread_data_base*>(data);
+                    //boost::detail::thread_data_ptr thread_info = static_cast<boost::detail::thread_data_base*>(data)->shared_from_this();
+
                     if(thread_info)
                     {
                         while(!thread_info->tss_data.empty() || thread_info->thread_exit_callbacks)
@@ -96,13 +99,10 @@ namespace boost
                                 }
                                 delete current_node;
                             }
-                            for(std::map<void const*,tss_data_node>::iterator next=thread_info->tss_data.begin(),
-                                    current,
-                                    end=thread_info->tss_data.end();
-                                next!=end;)
+                            while (!thread_info->tss_data.empty())
                             {
-                                current=next;
-                                ++next;
+                                std::map<void const*,detail::tss_data_node>::iterator current
+                                    = thread_info->tss_data.begin();
                                 if(current->second.func && (current->second.value!=0))
                                 {
                                     (*current->second.func)(current->second.value);
@@ -118,8 +118,6 @@ namespace boost
                 }
             }
 
-#if defined BOOST_THREAD_PATCH
-
             struct  delete_current_thread_tls_key_on_dlclose_t
             {
                 delete_current_thread_tls_key_on_dlclose_t()
@@ -127,14 +125,14 @@ namespace boost
                 }
                 ~delete_current_thread_tls_key_on_dlclose_t()
                 {
-                    if (current_thread_tls_init_flag.epoch!=BOOST_ONCE_INITIAL_FLAG_VALUE)
+                    const boost::once_flag uninitialized = BOOST_ONCE_INIT;
+                    if (memcmp(&current_thread_tls_init_flag, &uninitialized, sizeof(boost::once_flag)))
                     {
                         pthread_key_delete(current_thread_tls_key);
                     }
                 }
             };
             delete_current_thread_tls_key_on_dlclose_t delete_current_thread_tls_key_on_dlclose;
-#endif
 
             void create_current_thread_tls_key()
             {
@@ -161,7 +159,8 @@ namespace boost
         {
             static void* thread_proxy(void* param)
             {
-                boost::detail::thread_data_ptr thread_info = static_cast<boost::detail::thread_data_base*>(param)->self;
+                //boost::detail::thread_data_ptr thread_info = static_cast<boost::detail::thread_data_base*>(param)->self;
+                boost::detail::thread_data_ptr thread_info = static_cast<boost::detail::thread_data_base*>(param)->shared_from_this();
                 thread_info->self.reset();
                 detail::set_current_thread_data(thread_info.get());
 #if defined BOOST_THREAD_PROVIDES_INTERRUPTIONS
@@ -255,7 +254,6 @@ namespace boost
         {
             thread_info->self.reset();
             return false;
-//            boost::throw_exception(thread_resource_error(res, "boost thread: failed in pthread_create"));
         }
         return true;
     }
@@ -269,7 +267,6 @@ namespace boost
         {
             thread_info->self.reset();
             return false;
-//            boost::throw_exception(thread_resource_error(res, "boost thread: failed in pthread_create"));
         }
         int detached_state;
         res = pthread_attr_getdetachstate(h, &detached_state);
@@ -277,7 +274,6 @@ namespace boost
         {
             thread_info->self.reset();
             return false;
-//            boost::throw_exception(thread_resource_error(res, "boost thread: failed in pthread_attr_getdetachstate"));
         }
         if (PTHREAD_CREATE_DETACHED==detached_state)
         {
@@ -834,7 +830,7 @@ namespace boost
     }
 namespace detail {
 
-    void BOOST_THREAD_DECL make_ready_at_thread_exit(shared_ptr<shared_state_base> as)
+    void BOOST_THREAD_DECL make_ready_at_thread_exit(csbl::shared_ptr<shared_state_base> as)
     {
       detail::thread_data_base* const current_thread_data(detail::get_current_thread_data());
       if(current_thread_data)

src/win32/thread.cpp

@@ -25,6 +25,7 @@
 #if defined BOOST_THREAD_USES_DATETIME
 #include <boost/date_time/posix_time/conversion.hpp>
 #endif
+#include <boost/thread/csbl/memory/unique_ptr.hpp>
 #include <memory>
 #include <algorithm>
 #ifndef UNDER_CE
@@ -44,7 +45,7 @@
 #include <wrl\ftm.h>
 #include <windows.system.threading.h>
 #pragma comment(lib, "runtimeobject.lib")
-#endif 
+#endif
 
 namespace boost
 {
@@ -153,7 +154,7 @@ namespace boost
 
         DWORD WINAPI ThreadProxy(LPVOID args)
         {
-            std::auto_ptr<ThreadProxyData> data(reinterpret_cast<ThreadProxyData*>(args));
+            boost::csbl::unique_ptr<ThreadProxyData> data(reinterpret_cast<ThreadProxyData*>(args));
             DWORD ret=data->start_address_(data->arglist_);
             return ret;
         }
@@ -198,7 +199,7 @@ namespace boost
     namespace detail
     {
         std::atomic_uint threadCount;
-        
+
         bool win32::scoped_winrt_thread::start(thread_func address, void *parameter, unsigned int *thrdId)
         {
             Microsoft::WRL::ComPtr<ABI::Windows::System::Threading::IThreadPoolStatics> threadPoolFactory;
@@ -220,7 +221,7 @@ namespace boost
             m_completionHandle = completionHandle;
 
             // Create new work item.
-            Microsoft::WRL::ComPtr<ABI::Windows::System::Threading::IWorkItemHandler> workItem = 
+            Microsoft::WRL::ComPtr<ABI::Windows::System::Threading::IWorkItemHandler> workItem =
                 Microsoft::WRL::Callback<Microsoft::WRL::Implements<Microsoft::WRL::RuntimeClassFlags<Microsoft::WRL::ClassicCom>, ABI::Windows::System::Threading::IWorkItemHandler, Microsoft::WRL::FtmBase>>
                 ([address, parameter, completionHandle](ABI::Windows::Foundation::IAsyncAction *)
             {
@@ -274,13 +275,10 @@ namespace boost
                         }
                         boost::detail::heap_delete(current_node);
                     }
-                    for(std::map<void const*,detail::tss_data_node>::iterator next=current_thread_data->tss_data.begin(),
-                            current,
-                            end=current_thread_data->tss_data.end();
-                        next!=end;)
+                    while (!current_thread_data->tss_data.empty())
                     {
-                        current=next;
-                        ++next;
+                        std::map<void const*,detail::tss_data_node>::iterator current
+                            = current_thread_data->tss_data.begin();
                         if(current->second.func && (current->second.value!=0))
                         {
                             (*current->second.func)(current->second.value);
@@ -346,7 +344,7 @@ namespace boost
         return true;
 #endif
     }
-    
+
     bool thread::start_thread_noexcept(const attributes& attr)
     {
 #if BOOST_PLAT_WINDOWS_RUNTIME
@@ -367,7 +365,7 @@ namespace boost
       return true;
 #endif
     }
-    
+
     thread::thread(detail::thread_data_ptr data):
         thread_info(data)
     {}
@@ -529,10 +527,10 @@ namespace boost
 
     unsigned thread::physical_concurrency() BOOST_NOEXCEPT
     {
-// a bit too strict: Windows XP with SP3 would be sufficient
+      // a bit too strict: Windows XP with SP3 would be sufficient
 #if BOOST_PLAT_WINDOWS_RUNTIME                                    \
     || ( BOOST_USE_WINAPI_VERSION <= BOOST_WINAPI_VERSION_WINXP ) \
-    || ( defined(__MINGW32__) && !defined(__MINGW64__) )
+    || ( ( defined(__MINGW32__) && !defined(__MINGW64__) ) && _WIN32_WINNT < 0x0600)
         return 0;
 #else
         unsigned cores = 0;
@@ -634,7 +632,57 @@ namespace boost
             }
         }
 
-
+#ifndef UNDER_CE
+#if !BOOST_PLAT_WINDOWS_RUNTIME
+        namespace detail_
+        {
+            typedef struct _REASON_CONTEXT {
+                ULONG Version;
+                DWORD Flags;
+                union {
+                    LPWSTR SimpleReasonString;
+                    struct {
+                        HMODULE LocalizedReasonModule;
+                        ULONG   LocalizedReasonId;
+                        ULONG   ReasonStringCount;
+                        LPWSTR  *ReasonStrings;
+                    } Detailed;
+                } Reason;
+            } REASON_CONTEXT, *PREASON_CONTEXT;
+            //static REASON_CONTEXT default_reason_context={0/*POWER_REQUEST_CONTEXT_VERSION*/, 0x00000001/*POWER_REQUEST_CONTEXT_SIMPLE_STRING*/, (LPWSTR)L"generic"};
+            typedef BOOL (WINAPI *setwaitabletimerex_t)(HANDLE, const LARGE_INTEGER *, LONG, PTIMERAPCROUTINE, LPVOID, PREASON_CONTEXT, ULONG);
+            static inline BOOL WINAPI SetWaitableTimerEx_emulation(HANDLE hTimer, const LARGE_INTEGER *lpDueTime, LONG lPeriod, PTIMERAPCROUTINE pfnCompletionRoutine, LPVOID lpArgToCompletionRoutine, PREASON_CONTEXT WakeContext, ULONG TolerableDelay)
+            {
+                return SetWaitableTimer(hTimer, lpDueTime, lPeriod, pfnCompletionRoutine, lpArgToCompletionRoutine, FALSE);
+            }
+#ifdef _MSC_VER
+#pragma warning(push)
+#pragma warning(disable: 6387) // MSVC sanitiser warns that GetModuleHandleA() might fail
+#endif
+            static inline setwaitabletimerex_t SetWaitableTimerEx()
+            {
+                static setwaitabletimerex_t setwaitabletimerex_impl;
+                if(setwaitabletimerex_impl)
+                    return setwaitabletimerex_impl;
+                void (*addr)()=(void (*)()) GetProcAddress(
+#if !defined(BOOST_NO_ANSI_APIS)
+                    GetModuleHandleA("KERNEL32.DLL"),
+#else
+                    GetModuleHandleW(L"KERNEL32.DLL"),
+#endif
+                    "SetWaitableTimerEx");
+                if(addr)
+                    setwaitabletimerex_impl=(setwaitabletimerex_t) addr;
+                else
+                    setwaitabletimerex_impl=&SetWaitableTimerEx_emulation;
+                return setwaitabletimerex_impl;
+            }
+#ifdef _MSC_VER
+#pragma warning(pop)
+#endif
+        }
+#endif
+#endif
         bool interruptible_wait(detail::win32::handle handle_to_wait_for,detail::timeout target_time)
         {
             detail::win32::handle handles[4]={0};
@@ -660,32 +708,25 @@ namespace boost
 
 #ifndef UNDER_CE
 #if !BOOST_PLAT_WINDOWS_RUNTIME
-            unsigned const min_timer_wait_period=20;
-
+            // Preferentially use coalescing timers for better power consumption and timer accuracy
             if(!target_time.is_sentinel())
             {
                 detail::timeout::remaining_time const time_left=target_time.remaining_milliseconds();
-                if(time_left.milliseconds > min_timer_wait_period)
+                timer_handle=CreateWaitableTimer(NULL,false,NULL);
+                if(timer_handle!=0)
                 {
-                    // for a long-enough timeout, use a waitable timer (which tracks clock changes)
-                    timer_handle=CreateWaitableTimer(NULL,false,NULL);
-                    if(timer_handle!=0)
+                    ULONG tolerable=32; // Empirical testing shows Windows ignores this when <= 26
+                    if(time_left.milliseconds/20>tolerable)  // 5%
+                        tolerable=time_left.milliseconds/20;
+                    LARGE_INTEGER due_time=get_due_time(target_time);
+                    //bool const set_time_succeeded=detail_::SetWaitableTimerEx()(timer_handle,&due_time,0,0,0,&detail_::default_reason_context,tolerable)!=0;
+                    bool const set_time_succeeded=detail_::SetWaitableTimerEx()(timer_handle,&due_time,0,0,0,NULL,tolerable)!=0;
+                    if(set_time_succeeded)
                     {
-                        LARGE_INTEGER due_time=get_due_time(target_time);
-
-                        bool const set_time_succeeded=SetWaitableTimer(timer_handle,&due_time,0,0,0,false)!=0;
-                        if(set_time_succeeded)
-                        {
-                            timeout_index=handle_count;
-                            handles[handle_count++]=timer_handle;
-                        }
+                        timeout_index=handle_count;
+                        handles[handle_count++]=timer_handle;
                     }
                 }
-                else if(!target_time.relative)
-                {
-                    // convert short absolute-time timeouts into relative ones, so we don't race against clock changes
-                    target_time=detail::timeout(time_left.milliseconds);
-                }
             }
 #endif
 #endif
@@ -752,32 +793,25 @@ namespace boost
 
 #ifndef UNDER_CE
 #if !BOOST_PLAT_WINDOWS_RUNTIME
-            unsigned const min_timer_wait_period=20;
-
+            // Preferentially use coalescing timers for better power consumption and timer accuracy
             if(!target_time.is_sentinel())
             {
                 detail::timeout::remaining_time const time_left=target_time.remaining_milliseconds();
-                if(time_left.milliseconds > min_timer_wait_period)
+                timer_handle=CreateWaitableTimer(NULL,false,NULL);
+                if(timer_handle!=0)
                 {
-                    // for a long-enough timeout, use a waitable timer (which tracks clock changes)
-                    timer_handle=CreateWaitableTimer(NULL,false,NULL);
-                    if(timer_handle!=0)
+                    ULONG tolerable=32; // Empirical testing shows Windows ignores this when <= 26
+                    if(time_left.milliseconds/20>tolerable)  // 5%
+                        tolerable=time_left.milliseconds/20;
+                    LARGE_INTEGER due_time=get_due_time(target_time);
+                    //bool const set_time_succeeded=detail_::SetWaitableTimerEx()(timer_handle,&due_time,0,0,0,&detail_::default_reason_context,tolerable)!=0;
+                    bool const set_time_succeeded=detail_::SetWaitableTimerEx()(timer_handle,&due_time,0,0,0,NULL,tolerable)!=0;
+                    if(set_time_succeeded)
                     {
-                        LARGE_INTEGER due_time=get_due_time(target_time);
-
-                        bool const set_time_succeeded=SetWaitableTimer(timer_handle,&due_time,0,0,0,false)!=0;
-                        if(set_time_succeeded)
-                        {
-                            timeout_index=handle_count;
-                            handles[handle_count++]=timer_handle;
-                        }
+                        timeout_index=handle_count;
+                        handles[handle_count++]=timer_handle;
                     }
                 }
-                else if(!target_time.relative)
-                {
-                    // convert short absolute-time timeouts into relative ones, so we don't race against clock changes
-                    target_time=detail::timeout(time_left.milliseconds);
-                }
             }
 #endif
 #endif

test/Jamfile.v2

@@ -293,10 +293,12 @@ rule thread-compile ( sources : reqs * : name )
           [ thread-run test_7328.cpp ]
           [ thread-run test_7571.cpp ]
           [ thread-run test_9319.cpp ]
-          #[ thread-run test_9711.cpp ] this test is invalid and should not work :(
+          #[ thread-run test_9711.cpp ] This is an invalid use of ::then deferred.
           [ thread-run test_9856.cpp ]
           [ thread-compile test_10963.cpp : : test_10963_c ]
           [ thread-run test_10964.cpp ]
+          [ thread-test test_11053.cpp ]
+          [ thread-run test_11266.cpp ]
     ;
 
 
@@ -808,6 +810,11 @@ rule thread-compile ( sources : reqs * : name )
           [ thread-run2 ../example/user_scheduler.cpp : ex_user_scheduler ]
           [ thread-run2 ../example/executor.cpp : ex_executor ]
           [ thread-run2 ../example/generic_executor_ref.cpp : ex_generic_executor_ref ]
+          [ thread-run2 ../example/generic_executor.cpp : ex_generic_executor ]
+          [ thread-run2 ../example/generic_serial_executor.cpp : ex_generic_serial_executor ]
+          [ thread-run2 ../example/serial_executor.cpp : ex_serial_executor ]
+          #[ thread-run2 ../example/generic_serial_executor_cont.cpp : ex_generic_serial_executor_cont ]
+          #[ thread-run2 ../example/serial_executor_cont.cpp : ex_serial_executor_cont ]
           [ thread-run2 ../example/future_when_all.cpp : ex_future_when_all ]
           [ thread-run2 ../example/parallel_accumulate.cpp : ex_parallel_accumulate ]
           [ thread-run2 ../example/parallel_quick_sort.cpp : ex_parallel_quick_sort ]
@@ -944,9 +951,25 @@ rule thread-compile ( sources : reqs * : name )
           [ thread-run2-noit ./experimental/parallel/v2/task_region_pass.cpp : task_region_p ]
     ;
     
+    explicit ts_other ;
+    test-suite ts_other
+    :
+          [ thread-run2 ../example/this_executor.cpp : ex_this_executor ]
+          [ thread-run2 ../example/default_executor.cpp : ex_default_executor ]
+    ;
+
     explicit ts_ ;
     test-suite ts_
     :
+          #[ thread-run test_11256.cpp ] 
+          #[ thread-run2 ../example/generic_serial_executor_cont.cpp : ex_generic_serial_executor_cont2 ]
+          #[ thread-run2 ../example/serial_executor_cont.cpp : ex_serial_executor_cont2 ]
+          #[ thread-run test_11256.cpp ]
+          #[ thread-run test_11499.cpp ]
+          #[ thread-run test_11611.cpp ]
+          #[ thread-run test_11633.cpp ]
+          
     ;
 
+
 }

test/experimental/parallel/v2/task_region_pass.cpp

@@ -1,4 +1,4 @@
-// Copyright (C) 2014 Vicente J. Botet Escriba
+// Copyright (C) 2014-2015 Vicente J. Botet Escriba
 //
 //  Distributed under the Boost Software License, Version 1.0. (See accompanying
 //  file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -132,7 +132,9 @@ void run_exception_1()
               {
                 std::cout << "task3" << std::endl;
               });
+#if defined BOOST_THREAD_TASK_REGION_HAS_SHARED_CANCELED
           BOOST_TEST(false);
+#endif
         });
     BOOST_TEST(false);
   }

test/sync/futures/async/async_pass.cpp

@@ -85,7 +85,7 @@ public:
     return *this;
   }
 
-  int operator()()
+  int operator()() const
   {
     boost::this_thread::sleep_for(ms(200));
     return 3;
@@ -167,6 +167,48 @@ struct check_timer {
 
 int main()
 {
+  {
+    try {
+      boost::async(f0);
+    } catch (std::exception& ex)
+    {
+      std::cout << __FILE__ << "[" << __LINE__ << "]" << ex.what() << std::endl;
+      BOOST_TEST(false && "exception thrown");
+    }
+    catch (...)
+    {
+      BOOST_TEST(false && "exception thrown");
+    }
+  }
+  {
+    try {
+      boost::async(boost::launch::async, f0);
+    } catch (std::exception& ex)
+    {
+      std::cout << __FILE__ << "[" << __LINE__ << "]" << ex.what() << std::endl;
+      BOOST_TEST(false && "exception thrown");
+    }
+    catch (...)
+    {
+      BOOST_TEST(false && "exception thrown");
+    }
+  }
+#if defined(BOOST_THREAD_PROVIDES_VARIADIC_THREAD)
+  std::cout << __FILE__ << "[" << __LINE__ << "]" << std::endl;
+  {
+    try {
+      boost::async(boost::launch::deferred, f0);
+    } catch (std::exception& ex)
+    {
+      std::cout << __FILE__ << "[" << __LINE__ << "]" << ex.what() << std::endl;
+      BOOST_TEST(false && "exception thrown");
+    }
+    catch (...)
+    {
+      BOOST_TEST(false && "exception thrown");
+    }
+  }
+#endif
   std::cout << __FILE__ << "[" << __LINE__ << "]" << std::endl;
   {
     try

test/sync/futures/future/async_deferred_then_pass.cpp

@@ -51,6 +51,29 @@ void p3(boost::future<int> f)
 
 int main()
 {
+  BOOST_THREAD_LOG << BOOST_THREAD_END_LOG;
+  {
+    try
+    {
+      boost::future<int> f1 = boost::async(boost::launch::deferred, &p1);
+      BOOST_TEST(f1.valid());
+      {
+      boost::future<int> f2 = f1.then(&p2);
+      BOOST_TEST(f2.valid());
+      }
+      BOOST_TEST(! f1.valid());
+    }
+    catch (std::exception& ex)
+    {
+      BOOST_THREAD_LOG << "ERRORRRRR "<<ex.what() << "" << BOOST_THREAD_END_LOG;
+      BOOST_TEST(false);
+    }
+    catch (...)
+    {
+      BOOST_THREAD_LOG << " ERRORRRRR exception thrown" << BOOST_THREAD_END_LOG;
+      BOOST_TEST(false);
+    }
+  }
   BOOST_THREAD_LOG << BOOST_THREAD_END_LOG;
   {
     boost::future<int> f1 = boost::async(boost::launch::deferred, &p1);

test/sync/futures/future/get_or_pass.cpp

@@ -17,6 +17,7 @@
 
 #include <boost/thread/future.hpp>
 #include <boost/thread/thread.hpp>
+#include <boost/core/ref.hpp>
 #include <boost/detail/lightweight_test.hpp>
 
 #if defined BOOST_THREAD_USES_CHRONO
@@ -128,49 +129,49 @@ int main()
           BOOST_THREAD_LOG << BOOST_THREAD_END_LOG;
       }
   }
-//  BOOST_THREAD_LOG << BOOST_THREAD_END_LOG;
-//  {
-//      typedef int& T;
-//      {
-//          boost::promise<T> p;
-//          boost::future<T> f = p.get_future();
-//#if defined BOOST_THREAD_PROVIDES_SIGNATURE_PACKAGED_TASK && defined(BOOST_THREAD_PROVIDES_VARIADIC_THREAD)
-//          boost::thread(func3, boost::move(p)).detach();
-//#else
-//          int j=5;
-//          p.set_value(j);
-//#endif
-//          BOOST_TEST(f.valid());
-//          int k=4;
-//          BOOST_TEST(f.get_or(k) == 5);
-//#ifdef BOOST_THREAD_PROVIDES_FUTURE_INVALID_AFTER_GET
-//          BOOST_TEST(!f.valid());
-//#endif
-//      }
-//      BOOST_THREAD_LOG << BOOST_THREAD_END_LOG;
-//      {
-//          boost::promise<T> p;
-//          boost::future<T> f = p.get_future();
-//#if defined BOOST_THREAD_PROVIDES_SIGNATURE_PACKAGED_TASK && defined(BOOST_THREAD_PROVIDES_VARIADIC_THREAD)
-//          boost::thread(func4, boost::move(p)).detach();
-//#else
-//          p.set_exception(boost::make_exception_ptr(3.5));
-//#endif
-//          try
-//          {
-//              BOOST_TEST(f.valid());
-//              int j=4;
-//              BOOST_TEST(f.get_or(j) == 4);
-//          }
-//          catch (...)
-//          {
-//            BOOST_TEST(false);
-//          }
-//#ifdef BOOST_THREAD_PROVIDES_FUTURE_INVALID_AFTER_GET
-//          BOOST_TEST(!f.valid());
-//#endif
-//      }
-//  }
+  BOOST_THREAD_LOG << BOOST_THREAD_END_LOG;
+  {
+      typedef int& T;
+      {
+          boost::promise<T> p;
+          boost::future<T> f = p.get_future();
+#if defined BOOST_THREAD_PROVIDES_SIGNATURE_PACKAGED_TASK && defined(BOOST_THREAD_PROVIDES_VARIADIC_THREAD)
+          boost::thread(func3, boost::move(p)).detach();
+#else
+          int j=5;
+          p.set_value(j);
+#endif
+          BOOST_TEST(f.valid());
+          int k=4;
+          BOOST_TEST(f.get_or(boost::ref(k)) == 5);
+#ifdef BOOST_THREAD_PROVIDES_FUTURE_INVALID_AFTER_GET
+          BOOST_TEST(!f.valid());
+#endif
+      }
+      BOOST_THREAD_LOG << BOOST_THREAD_END_LOG;
+      {
+          boost::promise<T> p;
+          boost::future<T> f = p.get_future();
+#if defined BOOST_THREAD_PROVIDES_SIGNATURE_PACKAGED_TASK && defined(BOOST_THREAD_PROVIDES_VARIADIC_THREAD)
+          boost::thread(func4, boost::move(p)).detach();
+#else
+          p.set_exception(boost::make_exception_ptr(3.5));
+#endif
+          try
+          {
+              BOOST_TEST(f.valid());
+              int j=4;
+              BOOST_TEST(f.get_or(boost::ref(j)) == 4);
+          }
+          catch (...)
+          {
+            BOOST_TEST(false);
+          }
+#ifdef BOOST_THREAD_PROVIDES_FUTURE_INVALID_AFTER_GET
+          BOOST_TEST(!f.valid());
+#endif
+      }
+  }
   BOOST_THREAD_LOG << BOOST_THREAD_END_LOG;
 
 

test/sync/futures/future/then_deferred_pass.cpp

@@ -17,6 +17,7 @@
 
 #include <boost/thread/future.hpp>
 #include <boost/detail/lightweight_test.hpp>
+#include <cassert>
 
 #if defined BOOST_THREAD_PROVIDES_FUTURE_CONTINUATION
 
@@ -31,6 +32,8 @@ int p1()
 
 int p2(boost::future<int> f)
 {
+  assert(f.is_ready());
+
   BOOST_THREAD_LOG << "p2 <" << &f << BOOST_THREAD_END_LOG;
   BOOST_TEST(f.valid());
   int i = f.get();
@@ -41,6 +44,7 @@ int p2(boost::future<int> f)
 
 void p3(boost::future<int> f)
 {
+  assert(f.is_ready());
   BOOST_THREAD_LOG << "p3 <" << &f << BOOST_THREAD_END_LOG;
   BOOST_TEST(f.valid());
   int i = f.get();

test/sync/futures/future/then_executor_pass.cpp

@@ -20,6 +20,7 @@
 #include <boost/thread/executors/basic_thread_pool.hpp>
 #include <boost/thread/executor.hpp>
 #include <boost/detail/lightweight_test.hpp>
+#include <cassert>
 
 #if defined BOOST_THREAD_PROVIDES_FUTURE_CONTINUATION
 
@@ -34,6 +35,7 @@ int p1()
 
 int p2(boost::future<int> f)
 {
+  assert(f.is_ready());
   BOOST_THREAD_LOG << "p2 <" << &f << BOOST_THREAD_END_LOG;
   BOOST_TEST(f.valid());
   int i = f.get();
@@ -44,6 +46,7 @@ int p2(boost::future<int> f)
 
 void p3(boost::future<int> f)
 {
+  assert(f.is_ready());
   BOOST_THREAD_LOG << "p3 <" << &f << BOOST_THREAD_END_LOG;
   BOOST_TEST(f.valid());
   int i = f.get();
@@ -114,6 +117,14 @@ int main()
     BOOST_TEST(f2.get()==4);
   }
   BOOST_THREAD_LOG << BOOST_THREAD_END_LOG;
+  {
+    boost::basic_thread_pool ex(1);
+    boost::future<int> f1 = boost::async(p1);
+    boost::future<int> f21 = f1.then(ex, &p2);
+    boost::future<int> f2= f21.then(&p2);
+    BOOST_TEST(f2.get()==4);
+  }
+  BOOST_THREAD_LOG << BOOST_THREAD_END_LOG;
   {
     boost::basic_thread_pool ex(1);
     boost::future<int> f1 = boost::async(p1);