diff --git a/include/boost/thread/detail/thread.hpp b/include/boost/thread/detail/thread.hpp
index afa22c32..a7e82f7f 100644
--- a/include/boost/thread/detail/thread.hpp
+++ b/include/boost/thread/detail/thread.hpp
@@ -20,6 +20,8 @@
 #include <boost/bind.hpp>
 #include <stdlib.h>
 #include <memory>
+#include <boost/utility/enable_if.hpp>
+#include <boost/type_traits/remove_reference.hpp>
 
 #include <boost/config/abi_prefix.hpp>
 
@@ -121,7 +123,11 @@ namespace boost
         template<typename F>
         static inline detail::thread_data_ptr make_thread_info(F&& f)
         {
-            return detail::thread_data_ptr(detail::heap_new<detail::thread_data<F> >(static_cast<F&&>(f)));
+            return detail::thread_data_ptr(detail::heap_new<detail::thread_data<typename boost::remove_reference<F>::type> >(static_cast<F&&>(f)));
+        }
+        static inline detail::thread_data_ptr make_thread_info(void (*f)())
+        {
+            return detail::thread_data_ptr(detail::heap_new<detail::thread_data<void(*)()> >(f));
         }
 #else
         template<typename F>
@@ -134,6 +140,8 @@ namespace boost
         {
             return detail::thread_data_ptr(detail::heap_new<detail::thread_data<F> >(f));
         }
+
+        struct dummy;
 #endif
     public:
         thread();
@@ -166,12 +174,12 @@ namespace boost
         
 #else
         template <class F>
-        explicit thread(F f):
+        explicit thread(F f,typename disable_if<boost::is_convertible<F&,detail::thread_move_t<F> >, dummy* >::type=0):
             thread_info(make_thread_info(f))
         {
             start_thread();
         }
-
+        
         template <class F>
         thread(detail::thread_move_t<F> f):
             thread_info(make_thread_info(f))
diff --git a/include/boost/thread/locks.hpp b/include/boost/thread/locks.hpp
index 8b183d38..b175c859 100644
--- a/include/boost/thread/locks.hpp
+++ b/include/boost/thread/locks.hpp
@@ -275,6 +275,12 @@ namespace boost
         friend class upgrade_lock<Mutex>;
     };
 
+    template<typename Mutex>
+    void swap(unique_lock<Mutex>& lhs,unique_lock<Mutex>& rhs)
+    {
+        lhs.swap(rhs);
+    }
+
     template<typename Mutex>
     class shared_lock
     {
@@ -723,6 +729,12 @@ namespace boost
                 return static_cast<base const&>(*this);
             }
         };
+
+        template<typename Mutex>
+        void swap(try_lock_wrapper<Mutex>& lhs,try_lock_wrapper<Mutex>& rhs)
+        {
+            lhs.swap(rhs);
+        }
         
         template<typename MutexType1,typename MutexType2>
         unsigned try_lock_internal(MutexType1& m1,MutexType2& m2)
diff --git a/include/boost/thread/pthread/tss.hpp b/include/boost/thread/pthread/tss.hpp
deleted file mode 100644
index 1f3cb246..00000000
--- a/include/boost/thread/pthread/tss.hpp
+++ /dev/null
@@ -1,107 +0,0 @@
-#ifndef BOOST_THREAD_PTHREAD_TSS_HPP
-#define BOOST_THREAD_PTHREAD_TSS_HPP
-
-// 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)
-// (C) Copyright 2007-8 Anthony Williams
-
-#include <boost/thread/detail/config.hpp>
-#include <boost/shared_ptr.hpp>
-
-#include <boost/config/abi_prefix.hpp>
-
-namespace boost
-{
-    namespace detail
-    {
-        struct tss_cleanup_function
-        {
-            virtual ~tss_cleanup_function()
-            {}
-            
-            virtual void operator()(void* data)=0;
-        };
-        
-        BOOST_THREAD_DECL void set_tss_data(void const* key,boost::shared_ptr<tss_cleanup_function> func,void* tss_data,bool cleanup_existing);
-        BOOST_THREAD_DECL void* get_tss_data(void const* key);
-    }
-
-    template <typename T>
-    class thread_specific_ptr
-    {
-    private:
-        thread_specific_ptr(thread_specific_ptr&);
-        thread_specific_ptr& operator=(thread_specific_ptr&);
-
-        struct delete_data:
-            detail::tss_cleanup_function
-        {
-            void operator()(void* data)
-            {
-                delete static_cast<T*>(data);
-            }
-        };
-        
-        struct run_custom_cleanup_function:
-            detail::tss_cleanup_function
-        {
-            void (*cleanup_function)(T*);
-            
-            explicit run_custom_cleanup_function(void (*cleanup_function_)(T*)):
-                cleanup_function(cleanup_function_)
-            {}
-            
-            void operator()(void* data)
-            {
-                cleanup_function(static_cast<T*>(data));
-            }
-        };
-
-
-        boost::shared_ptr<detail::tss_cleanup_function> cleanup;
-        
-    public:
-        thread_specific_ptr():
-            cleanup(new delete_data)
-        {}
-        explicit thread_specific_ptr(void (*func_)(T*)):
-            cleanup(new run_custom_cleanup_function(func_))
-        {}
-        ~thread_specific_ptr()
-        {
-            reset();
-        }
-
-        T* get() const
-        {
-            return static_cast<T*>(detail::get_tss_data(this));
-        }
-        T* operator->() const
-        {
-            return get();
-        }
-        T& operator*() const
-        {
-            return *get();
-        }
-        T* release()
-        {
-            T* const temp=get();
-            detail::set_tss_data(this,boost::shared_ptr<detail::tss_cleanup_function>(),0,false);
-            return temp;
-        }
-        void reset(T* new_value=0)
-        {
-            T* const current_value=get();
-            if(current_value!=new_value)
-            {
-                detail::set_tss_data(this,cleanup,new_value,true);
-            }
-        }
-    };
-}
-
-#include <boost/config/abi_suffix.hpp>
-
-#endif
diff --git a/include/boost/thread/tss.hpp b/include/boost/thread/tss.hpp
index 131bcde2..4efc6e8b 100644
--- a/include/boost/thread/tss.hpp
+++ b/include/boost/thread/tss.hpp
@@ -1,18 +1,110 @@
-// Copyright (C) 2007 Anthony Williams
-//
-//  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_TSS_HPP
 #define BOOST_THREAD_TSS_HPP
+// 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)
+// (C) Copyright 2007-8 Anthony Williams
 
-#include <boost/thread/detail/platform.hpp>
-#if defined(BOOST_THREAD_PLATFORM_WIN32)
-#include <boost/thread/win32/tss.hpp>
-#elif defined(BOOST_THREAD_PLATFORM_PTHREAD)
-#include <boost/thread/pthread/tss.hpp>
-#else
-#error "Boost threads unavailable on this platform"
-#endif
+#include <boost/shared_ptr.hpp>
+#include <boost/thread/detail/thread_heap_alloc.hpp>
+
+#include <boost/config/abi_prefix.hpp>
+
+namespace boost
+{
+    namespace detail
+    {
+        struct tss_cleanup_function
+        {
+            virtual ~tss_cleanup_function()
+            {}
+            
+            virtual void operator()(void* data)=0;
+        };
+        
+        BOOST_THREAD_DECL void set_tss_data(void const* key,boost::shared_ptr<tss_cleanup_function> func,void* tss_data,bool cleanup_existing);
+        BOOST_THREAD_DECL void* get_tss_data(void const* key);
+    }
+
+    template <typename T>
+    class thread_specific_ptr
+    {
+    private:
+        thread_specific_ptr(thread_specific_ptr&);
+        thread_specific_ptr& operator=(thread_specific_ptr&);
+
+        struct delete_data:
+            detail::tss_cleanup_function
+        {
+            void operator()(void* data)
+            {
+                delete static_cast<T*>(data);
+            }
+        };
+        
+        struct run_custom_cleanup_function:
+            detail::tss_cleanup_function
+        {
+            void (*cleanup_function)(T*);
+            
+            explicit run_custom_cleanup_function(void (*cleanup_function_)(T*)):
+                cleanup_function(cleanup_function_)
+            {}
+            
+            void operator()(void* data)
+            {
+                cleanup_function(static_cast<T*>(data));
+            }
+        };
+
+
+        boost::shared_ptr<detail::tss_cleanup_function> cleanup;
+        
+    public:
+        thread_specific_ptr():
+            cleanup(detail::heap_new<delete_data>(),detail::do_heap_delete<delete_data>())
+        {}
+        explicit thread_specific_ptr(void (*func_)(T*))
+        {
+            if(func_)
+            {
+                cleanup.reset(detail::heap_new<run_custom_cleanup_function>(func_),detail::do_heap_delete<run_custom_cleanup_function>());
+            }
+        }
+        ~thread_specific_ptr()
+        {
+            reset();
+        }
+
+        T* get() const
+        {
+            return static_cast<T*>(detail::get_tss_data(this));
+        }
+        T* operator->() const
+        {
+            return get();
+        }
+        T& operator*() const
+        {
+            return *get();
+        }
+        T* release()
+        {
+            T* const temp=get();
+            detail::set_tss_data(this,boost::shared_ptr<detail::tss_cleanup_function>(),0,false);
+            return temp;
+        }
+        void reset(T* new_value=0)
+        {
+            T* const current_value=get();
+            if(current_value!=new_value)
+            {
+                detail::set_tss_data(this,cleanup,new_value,true);
+            }
+        }
+    };
+}
+
+#include <boost/config/abi_suffix.hpp>
 
 #endif
diff --git a/include/boost/thread/win32/thread_primitives.hpp b/include/boost/thread/win32/thread_primitives.hpp
index 022dc9ee..de58c45b 100644
--- a/include/boost/thread/win32/thread_primitives.hpp
+++ b/include/boost/thread/win32/thread_primitives.hpp
@@ -281,8 +281,7 @@ namespace boost
     }
 }
 
-#if defined(BOOST_MSVC) || defined(BOOST_INTEL_WIN)
-#if _MSC_VER>=1400
+#if defined(BOOST_MSVC) && (_MSC_VER>=1400)  && !defined(UNDER_CE)
 #if _MSC_VER==1400
 extern "C" unsigned char _interlockedbittestandset(long *a,long b);
 extern "C" unsigned char _interlockedbittestandreset(long *a,long b);
@@ -314,7 +313,7 @@ namespace boost
     }
 }
 #define BOOST_THREAD_BTS_DEFINED
-#elif defined(_M_IX86)
+#elif (defined(BOOST_MSVC) || defined(BOOST_INTEL_WIN)) && defined(_M_IX86)
 namespace boost
 {
     namespace detail
@@ -346,7 +345,6 @@ namespace boost
 }
 #define BOOST_THREAD_BTS_DEFINED
 #endif
-#endif
 
 #ifndef BOOST_THREAD_BTS_DEFINED
 
diff --git a/include/boost/thread/win32/tss.hpp b/include/boost/thread/win32/tss.hpp
deleted file mode 100644
index a5f1c31c..00000000
--- a/include/boost/thread/win32/tss.hpp
+++ /dev/null
@@ -1,106 +0,0 @@
-#ifndef BOOST_THREAD_WIN32_TSS_HPP
-#define BOOST_THREAD_WIN32_TSS_HPP
-// 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)
-// (C) Copyright 2007-8 Anthony Williams
-
-#include <boost/shared_ptr.hpp>
-#include "thread_heap_alloc.hpp"
-
-#include <boost/config/abi_prefix.hpp>
-
-namespace boost
-{
-    namespace detail
-    {
-        struct tss_cleanup_function
-        {
-            virtual ~tss_cleanup_function()
-            {}
-            
-            virtual void operator()(void* data)=0;
-        };
-        
-        BOOST_THREAD_DECL void set_tss_data(void const* key,boost::shared_ptr<tss_cleanup_function> func,void* tss_data,bool cleanup_existing);
-        BOOST_THREAD_DECL void* get_tss_data(void const* key);
-    }
-
-    template <typename T>
-    class thread_specific_ptr
-    {
-    private:
-        thread_specific_ptr(thread_specific_ptr&);
-        thread_specific_ptr& operator=(thread_specific_ptr&);
-
-        struct delete_data:
-            detail::tss_cleanup_function
-        {
-            void operator()(void* data)
-            {
-                delete static_cast<T*>(data);
-            }
-        };
-        
-        struct run_custom_cleanup_function:
-            detail::tss_cleanup_function
-        {
-            void (*cleanup_function)(T*);
-            
-            explicit run_custom_cleanup_function(void (*cleanup_function_)(T*)):
-                cleanup_function(cleanup_function_)
-            {}
-            
-            void operator()(void* data)
-            {
-                cleanup_function(static_cast<T*>(data));
-            }
-        };
-
-
-        boost::shared_ptr<detail::tss_cleanup_function> cleanup;
-        
-    public:
-        thread_specific_ptr():
-            cleanup(detail::heap_new<delete_data>(),detail::do_heap_delete<delete_data>())
-        {}
-        explicit thread_specific_ptr(void (*func_)(T*)):
-            cleanup(detail::heap_new<run_custom_cleanup_function>(func_),detail::do_heap_delete<run_custom_cleanup_function>())
-        {}
-        ~thread_specific_ptr()
-        {
-            reset();
-        }
-
-        T* get() const
-        {
-            return static_cast<T*>(detail::get_tss_data(this));
-        }
-        T* operator->() const
-        {
-            return get();
-        }
-        T& operator*() const
-        {
-            return *get();
-        }
-        T* release()
-        {
-            T* const temp=get();
-            detail::set_tss_data(this,boost::shared_ptr<detail::tss_cleanup_function>(),0,false);
-            return temp;
-        }
-        void reset(T* new_value=0)
-        {
-            T* const current_value=get();
-            if(current_value!=new_value)
-            {
-                detail::set_tss_data(this,cleanup,new_value,true);
-            }
-        }
-    };
-}
-
-#include <boost/config/abi_suffix.hpp>
-
-#endif
diff --git a/test/test_lock_concept.cpp b/test/test_lock_concept.cpp
index 6b8b483f..8b16dfb5 100644
--- a/test/test_lock_concept.cpp
+++ b/test/test_lock_concept.cpp
@@ -1,4 +1,4 @@
-// (C) Copyright 2006-7 Anthony Williams
+// (C) Copyright 2006-8 Anthony Williams
 // 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)
@@ -196,6 +196,35 @@ struct test_default_constructed_has_no_mutex_and_unlocked
     };
 };
 
+
+template<typename Mutex,typename Lock>
+struct test_locks_can_be_swapped
+{
+    void operator()() const
+    {
+        Mutex m1;
+        Mutex m2;
+        Lock l1(m1);
+        Lock l2(m2);
+
+        BOOST_CHECK_EQUAL(l1.mutex(),&m1);
+        BOOST_CHECK_EQUAL(l2.mutex(),&m2);
+
+        l1.swap(l2);
+        
+        BOOST_CHECK_EQUAL(l1.mutex(),&m2);
+        BOOST_CHECK_EQUAL(l2.mutex(),&m1);
+        
+        swap(l1,l2);
+
+        BOOST_CHECK_EQUAL(l1.mutex(),&m1);
+        BOOST_CHECK_EQUAL(l2.mutex(),&m2);
+        
+    }
+};
+
+
+
 BOOST_TEST_CASE_TEMPLATE_FUNCTION(test_scoped_lock_concept,Mutex)
 {
     typedef typename Mutex::scoped_lock Lock;
@@ -208,6 +237,7 @@ BOOST_TEST_CASE_TEMPLATE_FUNCTION(test_scoped_lock_concept,Mutex)
     test_locked_after_lock_called<Mutex,Lock>()();
     test_throws_if_lock_called_when_already_locked<Mutex,Lock>()();
     test_throws_if_unlock_called_when_already_unlocked<Mutex,Lock>()();
+    test_locks_can_be_swapped<Mutex,Lock>()();
 }
 
 BOOST_TEST_CASE_TEMPLATE_FUNCTION(test_scoped_try_lock_concept,Mutex)
@@ -225,6 +255,7 @@ BOOST_TEST_CASE_TEMPLATE_FUNCTION(test_scoped_try_lock_concept,Mutex)
     test_throws_if_lock_called_when_already_locked<Mutex,Lock>()();
     test_throws_if_try_lock_called_when_already_locked<Mutex,Lock>()();
     test_throws_if_unlock_called_when_already_unlocked<Mutex,Lock>()();
+    test_locks_can_be_swapped<Mutex,Lock>()();
 }
 
 boost::unit_test_framework::test_suite* init_unit_test_suite(int, char*[])
diff --git a/test/test_tss.cpp b/test/test_tss.cpp
index bbd78d42..8a6545ce 100644
--- a/test/test_tss.cpp
+++ b/test/test_tss.cpp
@@ -258,11 +258,58 @@ void do_test_tss_does_no_cleanup_after_release()
     }
 }
 
+struct dummy_class_tracks_deletions
+{
+    static unsigned deletions;
+    
+    ~dummy_class_tracks_deletions()
+    {
+        ++deletions;
+    }
+    
+};
+
+unsigned dummy_class_tracks_deletions::deletions=0;
+
+boost::thread_specific_ptr<dummy_class_tracks_deletions> tss_with_null_cleanup(NULL);
+
+void tss_thread_with_null_cleanup(dummy_class_tracks_deletions* delete_tracker)
+{
+    tss_with_null_cleanup.reset(delete_tracker);
+}
+
+void do_test_tss_does_no_cleanup_with_null_cleanup_function()
+{
+    dummy_class_tracks_deletions* delete_tracker=new dummy_class_tracks_deletions;
+    boost::thread t(tss_thread_with_null_cleanup,delete_tracker);
+    try
+    {
+        t.join();
+    }
+    catch(...)
+    {
+        t.interrupt();
+        t.join();
+        throw;
+    }
+
+    BOOST_CHECK(!dummy_class_tracks_deletions::deletions);
+    if(!dummy_class_tracks_deletions::deletions)
+    {
+        delete delete_tracker;
+    }
+}
+
 void test_tss_does_no_cleanup_after_release()
 {
     timed_test(&do_test_tss_does_no_cleanup_after_release, 2);
 }
 
+void test_tss_does_no_cleanup_with_null_cleanup_function()
+{
+    timed_test(&do_test_tss_does_no_cleanup_with_null_cleanup_function, 2);
+}
+
 boost::unit_test_framework::test_suite* init_unit_test_suite(int, char*[])
 {
     boost::unit_test_framework::test_suite* test =
@@ -271,6 +318,7 @@ boost::unit_test_framework::test_suite* init_unit_test_suite(int, char*[])
     test->add(BOOST_TEST_CASE(test_tss));
     test->add(BOOST_TEST_CASE(test_tss_with_custom_cleanup));
     test->add(BOOST_TEST_CASE(test_tss_does_no_cleanup_after_release));
+    test->add(BOOST_TEST_CASE(test_tss_does_no_cleanup_with_null_cleanup_function));
 
     return test;
 }