remove wake_up/woke_up -> use of is_ready/set_ready instead

include/boost/fiber/condition.hpp

@@ -94,7 +94,7 @@ public:
                 lt.unlock();
 
                 lk.unlock();
-                while ( ! n->woken_up() )
+                while ( ! n->is_ready() )
                 {
                     fprintf(stdout, "condition: main-fiber not woken-up\n");
                     // run scheduler

include/boost/fiber/detail/fiber_base.hpp

@@ -55,11 +55,11 @@ private:
     std::vector< ptr_t >    joining_;
 
     void add_ref() BOOST_NOEXCEPT
-    { use_count_.fetch_add( 1, memory_order_seq_cst); }
+    { ++use_count_; }
 
     void release_ref()
     {
-        if ( 1 == use_count_.fetch_sub( 1, memory_order_seq_cst) )
+        if ( 0 == --use_count_)
             deallocate_object();
     }
 

include/boost/fiber/detail/notify.hpp

@@ -27,9 +27,6 @@ namespace detail {
 
 class notify : private noncopyable
 {
-private:
-    atomic< bool >          wake_up_;
-
 protected:
     virtual void add_ref() BOOST_NOEXCEPT = 0;
     virtual void release_ref() = 0;
@@ -37,17 +34,11 @@ protected:
 public:
     typedef intrusive_ptr< notify >     ptr_t;
 
-    notify() :
-        wake_up_( false)
-    {}
-
     virtual ~notify() {};
 
-    bool woken_up() BOOST_NOEXCEPT
-    { return wake_up_.exchange( false, memory_order_seq_cst); }
+    virtual bool is_ready() const BOOST_NOEXCEPT = 0;
 
-    void wake_up() BOOST_NOEXCEPT
-    { wake_up_.exchange( true, memory_order_seq_cst); }
+    virtual void set_ready() BOOST_NOEXCEPT = 0;
 
     friend inline void intrusive_ptr_add_ref( notify * p) BOOST_NOEXCEPT
     { p->add_ref(); }

include/boost/fiber/future.hpp

@@ -12,6 +12,7 @@
 #include <stdexcept>
 #include <vector>
 
+#include <boost/atomic.hpp>
 #include <boost/bind.hpp>
 #include <boost/chrono/system_clocks.hpp>
 #include <boost/config.hpp>
@@ -116,7 +117,7 @@ namespace fibers {
         struct future_object_base
         {
             boost::exception_ptr exception;
-            bool done;
+            atomic< bool > done;
             boost::fibers::mutex mutex;
             boost::fibers::condition waiters;
             typedef std::list<boost::fibers::condition*> waiter_list;