diff --git a/include/boost/thread/condition.hpp b/include/boost/thread/condition.hpp
index e5a1c317..64889d56 100644
--- a/include/boost/thread/condition.hpp
+++ b/include/boost/thread/condition.hpp
@@ -1,5 +1,6 @@
 // Copyright (C) 2001-2003
 // William E. Kempf
+// 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)
@@ -61,6 +62,7 @@ public:
                         // still waiting to be removed from m_queue
 #elif defined(BOOST_HAS_PTHREADS)
     pthread_cond_t m_condition;
+    pthread_mutex_t m_mutex;
 #elif defined(BOOST_HAS_MPTASKS)
     MPSemaphoreID m_gate;
     MPSemaphoreID m_queue;
@@ -90,7 +92,7 @@ public:
         if (!lock)
             throw lock_error();
 
-        do_wait(lock.m_mutex);
+        do_wait(*lock.mutex());
     }
 
     template <typename L, typename Pr>
@@ -100,7 +102,7 @@ public:
             throw lock_error();
 
         while (!pred())
-            do_wait(lock.m_mutex);
+            do_wait(*lock.mutex());
     }
 
     template <typename L>
@@ -109,7 +111,7 @@ public:
         if (!lock)
             throw lock_error();
 
-        return do_timed_wait(lock.m_mutex, xt);
+        return do_timed_wait(*lock.mutex(), xt);
     }
 
     template <typename L, typename Pr>
@@ -120,7 +122,7 @@ public:
 
         while (!pred())
         {
-            if (!do_timed_wait(lock.m_mutex, xt))
+            if (!do_timed_wait(*lock.mutex(), xt))
                 return false;
         }
 
@@ -135,25 +137,22 @@ private:
     {
 #if (defined(BOOST_HAS_WINTHREADS) || defined(BOOST_HAS_MPTASKS))
         m_impl.enter_wait();
+#else
+        pthread_mutex_lock(&m_impl.m_mutex);
 #endif
 
-        typedef detail::thread::lock_ops<M>
-#if defined(__HP_aCC) && __HP_aCC <= 33900 && !defined(BOOST_STRICT_CONFIG)
-# define lock_ops lock_ops_  // HP confuses lock_ops witht the template
-#endif
-            lock_ops;
-
-        typename lock_ops::lock_state state;
-        lock_ops::unlock(mutex, state);
+        mutex.unlock();
 
 #if defined(BOOST_HAS_PTHREADS)
-        m_impl.do_wait(state.pmutex);
+        m_impl.do_wait(&m_impl.m_mutex);
 #elif (defined(BOOST_HAS_WINTHREADS) || defined(BOOST_HAS_MPTASKS))
         m_impl.do_wait();
 #endif
 
-        lock_ops::lock(mutex, state);
-#undef lock_ops
+#if defined(BOOST_HAS_PTHREADS)
+        pthread_mutex_unlock(&m_impl.m_mutex);
+#endif
+        mutex.lock();
     }
 
     template <typename M>
@@ -161,27 +160,24 @@ private:
     {
 #if (defined(BOOST_HAS_WINTHREADS) || defined(BOOST_HAS_MPTASKS))
         m_impl.enter_wait();
+#else
+        pthread_mutex_lock(&m_impl.m_mutex);
 #endif
 
-        typedef detail::thread::lock_ops<M>
-#if defined(__HP_aCC) && __HP_aCC <= 33900 && !defined(BOOST_STRICT_CONFIG)
-# define lock_ops lock_ops_  // HP confuses lock_ops witht the template
-#endif
-            lock_ops;
-
-        typename lock_ops::lock_state state;
-        lock_ops::unlock(mutex, state);
+        mutex.unlock();
 
         bool ret = false;
 
 #if defined(BOOST_HAS_PTHREADS)
-        ret = m_impl.do_timed_wait(xt, state.pmutex);
+        ret = m_impl.do_timed_wait(xt, &m_impl.m_mutex);
 #elif (defined(BOOST_HAS_WINTHREADS) || defined(BOOST_HAS_MPTASKS))
         ret = m_impl.do_timed_wait(xt);
 #endif
 
-        lock_ops::lock(mutex, state);
-#undef lock_ops
+#if defined(BOOST_HAS_PTHREADS)
+        pthread_mutex_unlock(&m_impl.m_mutex);
+#endif
+        mutex.lock();
 
         return ret;
     }
diff --git a/include/boost/thread/locks.hpp b/include/boost/thread/locks.hpp
new file mode 100644
index 00000000..258b0f60
--- /dev/null
+++ b/include/boost/thread/locks.hpp
@@ -0,0 +1,486 @@
+// 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 Anthony Williams
+#ifndef BOOST_THREAD_LOCKS_HPP
+#define BOOST_THREAD_LOCKS_HPP
+#include <boost/thread/detail/config.hpp>
+#include <boost/thread/exceptions.hpp>
+#include <boost/thread/detail/move.hpp>
+#include <algorithm>
+#include <boost/thread/thread_time.hpp>
+
+namespace boost
+{
+    struct defer_lock_t
+    {};
+    struct try_to_lock_t
+    {};
+    struct adopt_lock_t
+    {};
+    
+    const defer_lock_t defer_lock={};
+    const try_to_lock_t try_to_lock={};
+    const adopt_lock_t adopt_lock={};
+
+    template<typename Mutex>
+    class shareable_lock;
+
+    template<typename Mutex>
+    class exclusive_lock;
+
+    template<typename Mutex>
+    class upgradeable_lock;
+
+    template<typename Mutex>
+    class lock_guard
+    {
+    private:
+        Mutex& m;
+
+        explicit lock_guard(lock_guard&);
+        lock_guard& operator=(lock_guard&);
+    public:
+        explicit lock_guard(Mutex& m_):
+            m(m_)
+        {
+            m.lock();
+        }
+        lock_guard(Mutex& m_,adopt_lock_t):
+            m(m_)
+        {}
+        ~lock_guard()
+        {
+            m.unlock();
+        }
+    };
+
+
+    template<typename Mutex>
+    class unique_lock
+    {
+    private:
+        Mutex* m;
+        bool is_locked;
+        explicit unique_lock(unique_lock&);
+        unique_lock& operator=(unique_lock&);
+    public:
+        explicit unique_lock(Mutex& m_):
+            m(&m_),is_locked(false)
+        {
+            lock();
+        }
+        unique_lock(Mutex& m_,adopt_lock_t):
+            m(&m_),is_locked(true)
+        {}
+        unique_lock(Mutex& m_,defer_lock_t):
+            m(&m_),is_locked(false)
+        {}
+        unique_lock(Mutex& m_,try_to_lock_t):
+            m(&m_),is_locked(false)
+        {
+            try_lock();
+        }
+        unique_lock(Mutex& m_,system_time const& target_time):
+            m(&m_),is_locked(false)
+        {
+            timed_lock(target_time);
+        }
+        unique_lock(boost::move_t<unique_lock> other):
+            m(other->m),is_locked(other->is_locked)
+        {
+            other->is_locked=false;
+        }
+        unique_lock(boost::move_t<upgradeable_lock<Mutex> > other);
+
+        unique_lock& operator=(boost::move_t<unique_lock> other)
+        {
+            unique_lock temp(other);
+            swap(temp);
+            return *this;
+        }
+
+        unique_lock& operator=(boost::move_t<upgradeable_lock<Mutex> > other)
+        {
+            unique_lock temp(other);
+            swap(temp);
+            return *this;
+        }
+
+        void swap(unique_lock& other)
+        {
+            std::swap(m,other.m);
+            std::swap(is_locked,other.is_locked);
+        }
+        void swap(boost::move_t<unique_lock> other)
+        {
+            std::swap(m,other->m);
+            std::swap(is_locked,other->is_locked);
+        }
+        
+        ~unique_lock()
+        {
+            if(owns_lock())
+            {
+                m->unlock();
+            }
+        }
+        void lock()
+        {
+            if(owns_lock())
+            {
+                throw boost::lock_error();
+            }
+            m->lock();
+            is_locked=true;
+        }
+        bool try_lock()
+        {
+            if(owns_lock())
+            {
+                throw boost::lock_error();
+            }
+            is_locked=m->try_lock();
+            return is_locked;
+        }
+        template<typename TimeDuration>
+        bool timed_lock(TimeDuration const& relative_time)
+        {
+            is_locked=m->timed_lock(relative_time);
+            return is_locked;
+        }
+        
+        bool timed_lock(::boost::system_time const& absolute_time)
+        {
+            is_locked=m->timed_lock(absolute_time);
+            return is_locked;
+        }
+        void unlock()
+        {
+            if(!owns_lock())
+            {
+                throw boost::lock_error();
+            }
+            m->unlock();
+            is_locked=false;
+        }
+            
+        typedef void (unique_lock::*bool_type)();
+        operator bool_type() const
+        {
+            return is_locked?&unique_lock::lock:0;
+        }
+        bool owns_lock() const
+        {
+            return is_locked;
+        }
+
+        Mutex* mutex() const
+        {
+            return m;
+        }
+
+        Mutex* release()
+        {
+            Mutex* const res=m;
+            m=0;
+            is_locked=false;
+            return res;
+        }
+
+        friend class shareable_lock<Mutex>;
+        friend class upgradeable_lock<Mutex>;
+    };
+
+    template<typename Mutex>
+    class shareable_lock
+    {
+    protected:
+        Mutex* m;
+        bool is_locked;
+    private:
+        explicit shareable_lock(shareable_lock&);
+        shareable_lock& operator=(shareable_lock&);
+    public:
+        explicit shareable_lock(Mutex& m_):
+            m(&m_),is_locked(false)
+        {
+            lock();
+        }
+        shareable_lock(Mutex& m_,bool do_lock):
+            m(&m_),is_locked(false)
+        {
+            if(do_lock)
+            {
+                lock();
+            }
+        }
+        shareable_lock(boost::move_t<shareable_lock> other):
+            m(other->m),is_locked(other->is_locked)
+        {
+            other->is_locked=false;
+        }
+
+        shareable_lock(boost::move_t<unique_lock<Mutex> > other):
+            m(other->m),is_locked(other->is_locked)
+        {
+            other->is_locked=false;
+            if(is_locked)
+            {
+                m->unlock_and_lock_shareable();
+            }
+        }
+
+        shareable_lock(boost::move_t<upgradeable_lock<Mutex> > other):
+            m(other->m),is_locked(other->is_locked)
+        {
+            other->is_locked=false;
+            if(is_locked)
+            {
+                m->unlock_upgradeable_and_lock_shareable();
+            }
+        }
+
+        shareable_lock& operator=(boost::move_t<shareable_lock> other)
+        {
+            shareable_lock temp(other);
+            swap(temp);
+            return *this;
+        }
+
+        shareable_lock& operator=(boost::move_t<unique_lock<Mutex> > other)
+        {
+            shareable_lock temp(other);
+            swap(temp);
+            return *this;
+        }
+
+        shareable_lock& operator=(boost::move_t<upgradeable_lock<Mutex> > other)
+        {
+            shareable_lock temp(other);
+            swap(temp);
+            return *this;
+        }
+
+        void swap(shareable_lock& other)
+        {
+            std::swap(m,other.m);
+            std::swap(is_locked,other.is_locked);
+        }
+        
+        ~shareable_lock()
+        {
+            if(owns_lock())
+            {
+                m->unlock_shareable();
+            }
+        }
+        void lock()
+        {
+            if(owns_lock())
+            {
+                throw boost::lock_error();
+            }
+            m->lock_shareable();
+            is_locked=true;
+        }
+        bool try_lock()
+        {
+            if(owns_lock())
+            {
+                throw boost::lock_error();
+            }
+            is_locked=m->try_lock_shareable();
+            return is_locked;
+        }
+        void unlock()
+        {
+            if(!owns_lock())
+            {
+                throw boost::lock_error();
+            }
+            m->unlock_shareable();
+            is_locked=false;
+        }
+            
+        typedef void (shareable_lock::*bool_type)();
+        operator bool_type() const
+        {
+            return is_locked?&shareable_lock::lock:0;
+        }
+        bool owns_lock() const
+        {
+            return is_locked;
+        }
+
+    };
+
+    template<typename Mutex>
+    class upgradeable_lock
+    {
+    protected:
+        Mutex* m;
+        bool is_locked;
+    private:
+        explicit upgradeable_lock(upgradeable_lock&);
+        upgradeable_lock& operator=(upgradeable_lock&);
+    public:
+        explicit upgradeable_lock(Mutex& m_):
+            m(&m_),is_locked(false)
+        {
+            lock();
+        }
+        upgradeable_lock(Mutex& m_,bool do_lock):
+            m(&m_),is_locked(false)
+        {
+            if(do_lock)
+            {
+                lock();
+            }
+        }
+        upgradeable_lock(boost::move_t<upgradeable_lock> other):
+            m(other->m),is_locked(other->is_locked)
+        {
+            other->is_locked=false;
+        }
+
+        upgradeable_lock(boost::move_t<unique_lock<Mutex> > other):
+            m(other->m),is_locked(other->is_locked)
+        {
+            other->is_locked=false;
+            if(is_locked)
+            {
+                m->unlock_and_lock_upgradeable();
+            }
+        }
+
+        upgradeable_lock& operator=(boost::move_t<upgradeable_lock> other)
+        {
+            upgradeable_lock temp(other);
+            swap(temp);
+            return *this;
+        }
+
+        upgradeable_lock& operator=(boost::move_t<unique_lock<Mutex> > other)
+        {
+            upgradeable_lock temp(other);
+            swap(temp);
+            return *this;
+        }
+
+        void swap(upgradeable_lock& other)
+        {
+            std::swap(m,other.m);
+            std::swap(is_locked,other.is_locked);
+        }
+        
+        ~upgradeable_lock()
+        {
+            if(owns_lock())
+            {
+                m->unlock_upgradeable();
+            }
+        }
+        void lock()
+        {
+            if(owns_lock())
+            {
+                throw boost::lock_error();
+            }
+            m->lock_upgradeable();
+            is_locked=true;
+        }
+        bool try_lock()
+        {
+            if(owns_lock())
+            {
+                throw boost::lock_error();
+            }
+            is_locked=m->try_lock_upgradeable();
+            return is_locked;
+        }
+        void unlock()
+        {
+            if(!owns_lock())
+            {
+                throw boost::lock_error();
+            }
+            m->unlock_upgradeable();
+            is_locked=false;
+        }
+            
+        typedef void (upgradeable_lock::*bool_type)();
+        operator bool_type() const
+        {
+            return is_locked?&upgradeable_lock::lock:0;
+        }
+        bool owns_lock() const
+        {
+            return is_locked;
+        }
+        friend class shareable_lock<Mutex>;
+        friend class unique_lock<Mutex>;
+    };
+
+    template<typename Mutex>
+    unique_lock<Mutex>::unique_lock(boost::move_t<upgradeable_lock<Mutex> > other):
+        m(other->m),is_locked(other->is_locked)
+    {
+        other->is_locked=false;
+        if(is_locked)
+        {
+            m->unlock_upgradeable_and_lock();
+        }
+    }
+
+    template <class Mutex>
+    class upgrade_to_unique_lock
+    {
+    private:
+        upgradeable_lock<Mutex>* source;
+        unique_lock<Mutex> exclusive;
+
+        explicit upgrade_to_unique_lock(upgrade_to_unique_lock&);
+        upgrade_to_unique_lock& operator=(upgrade_to_unique_lock&);
+    public:
+        explicit upgrade_to_unique_lock(upgradeable_lock<Mutex>& m_):
+            source(&m_),exclusive(boost::move(*source))
+        {}
+        ~upgrade_to_unique_lock()
+        {
+            if(source)
+            {
+                *source=boost::move(exclusive);
+            }
+        }
+
+        upgrade_to_unique_lock(boost::move_t<upgrade_to_unique_lock> other):
+            source(other->source),exclusive(boost::move(other->exclusive))
+        {
+            other->source=0;
+        }
+        
+        upgrade_to_unique_lock& operator=(boost::move_t<upgrade_to_unique_lock> other)
+        {
+            upgrade_to_unique_lock temp(other);
+            swap(temp);
+            return *this;
+        }
+        void swap(upgrade_to_unique_lock& other)
+        {
+            std::swap(source,other.source);
+            exclusive.swap(other.exclusive);
+        }
+        typedef void (upgrade_to_unique_lock::*bool_type)(upgrade_to_unique_lock&);
+        operator bool_type() const
+        {
+            return exclusive.owns_lock()?&upgrade_to_unique_lock::swap:0;
+        }
+        bool owns_lock() const
+        {
+            return exclusive.owns_lock();
+        }
+    };
+}
+
+#endif
diff --git a/include/boost/thread/mutex.hpp b/include/boost/thread/mutex.hpp
index 1b74da55..98a1cbdd 100644
--- a/include/boost/thread/mutex.hpp
+++ b/include/boost/thread/mutex.hpp
@@ -1,170 +1,15 @@
-// Copyright (C) 2001-2003
-// William E. Kempf
+#ifndef BOOST_THREAD_MUTEX_HPP
+#define BOOST_THREAD_MUTEX_HPP
+
+//  mutex.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 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_MUTEX_WEK070601_HPP
-#define BOOST_MUTEX_WEK070601_HPP
+#include <boost/thread/detail/platform.hpp>
+#include BOOST_THREAD_PLATFORM(mutex.hpp)
 
-#include <boost/thread/detail/config.hpp>
-
-#include <boost/utility.hpp>
-#include <boost/thread/detail/lock.hpp>
-
-#if defined(BOOST_HAS_PTHREADS)
-#   include <pthread.h>
 #endif
-
-#if defined(BOOST_HAS_MPTASKS)
-#   include "scoped_critical_region.hpp"
-#endif
-
-namespace boost {
-
-struct xtime;
-// disable warnings about non dll import
-// see: http://www.boost.org/more/separate_compilation.html#dlls
-#ifdef BOOST_MSVC
-#   pragma warning(push)
-#   pragma warning(disable: 4251 4231 4660 4275)
-#endif
-
-class BOOST_THREAD_DECL mutex
-    : private noncopyable
-{
-public:
-    friend class detail::thread::lock_ops<mutex>;
-
-    typedef detail::thread::scoped_lock<mutex> scoped_lock;
-
-    mutex();
-    ~mutex();
-
-private:
-#if defined(BOOST_HAS_WINTHREADS)
-    typedef void* cv_state;
-#elif defined(BOOST_HAS_PTHREADS)
-    struct cv_state
-    {
-        pthread_mutex_t* pmutex;
-    };
-#elif defined(BOOST_HAS_MPTASKS)
-    struct cv_state
-    {
-    };
-#endif
-    void do_lock();
-    void do_unlock();
-    void do_lock(cv_state& state);
-    void do_unlock(cv_state& state);
-
-#if defined(BOOST_HAS_WINTHREADS)
-    void* m_mutex;
-    bool m_critical_section;
-#elif defined(BOOST_HAS_PTHREADS)
-    pthread_mutex_t m_mutex;
-#elif defined(BOOST_HAS_MPTASKS)
-    threads::mac::detail::scoped_critical_region m_mutex;
-    threads::mac::detail::scoped_critical_region m_mutex_mutex;
-#endif
-};
-
-class BOOST_THREAD_DECL try_mutex
-    : private noncopyable
-{
-public:
-    friend class detail::thread::lock_ops<try_mutex>;
-
-    typedef detail::thread::scoped_lock<try_mutex> scoped_lock;
-    typedef detail::thread::scoped_try_lock<try_mutex> scoped_try_lock;
-
-    try_mutex();
-    ~try_mutex();
-
-private:
-#if defined(BOOST_HAS_WINTHREADS)
-    typedef void* cv_state;
-#elif defined(BOOST_HAS_PTHREADS)
-    struct cv_state
-    {
-        pthread_mutex_t* pmutex;
-    };
-#elif defined(BOOST_HAS_MPTASKS)
-    struct cv_state
-    {
-    };
-#endif
-    void do_lock();
-    bool do_trylock();
-    void do_unlock();
-    void do_lock(cv_state& state);
-    void do_unlock(cv_state& state);
-
-#if defined(BOOST_HAS_WINTHREADS)
-    void* m_mutex;
-    bool m_critical_section;
-#elif defined(BOOST_HAS_PTHREADS)
-    pthread_mutex_t m_mutex;
-#elif defined(BOOST_HAS_MPTASKS)
-    threads::mac::detail::scoped_critical_region m_mutex;
-    threads::mac::detail::scoped_critical_region m_mutex_mutex;
-#endif
-};
-
-class BOOST_THREAD_DECL timed_mutex
-    : private noncopyable
-{
-public:
-    friend class detail::thread::lock_ops<timed_mutex>;
-
-    typedef detail::thread::scoped_lock<timed_mutex> scoped_lock;
-    typedef detail::thread::scoped_try_lock<timed_mutex> scoped_try_lock;
-    typedef detail::thread::scoped_timed_lock<timed_mutex> scoped_timed_lock;
-
-    timed_mutex();
-    ~timed_mutex();
-
-private:
-#if defined(BOOST_HAS_WINTHREADS)
-    typedef void* cv_state;
-#elif defined(BOOST_HAS_PTHREADS)
-    struct cv_state
-    {
-        pthread_mutex_t* pmutex;
-    };
-#elif defined(BOOST_HAS_MPTASKS)
-    struct cv_state
-    {
-    };
-#endif
-    void do_lock();
-    bool do_trylock();
-    bool do_timedlock(const xtime& xt);
-    void do_unlock();
-    void do_lock(cv_state& state);
-    void do_unlock(cv_state& state);
-
-#if defined(BOOST_HAS_WINTHREADS)
-    void* m_mutex;
-#elif defined(BOOST_HAS_PTHREADS)
-    pthread_mutex_t m_mutex;
-    pthread_cond_t m_condition;
-    bool m_locked;
-#elif defined(BOOST_HAS_MPTASKS)
-    threads::mac::detail::scoped_critical_region m_mutex;
-    threads::mac::detail::scoped_critical_region m_mutex_mutex;
-#endif
-};
-#ifdef BOOST_MSVC
-#   pragma warning(pop)
-#endif
-} // namespace boost
-
-// Change Log:
-//    8 Feb 01  WEKEMPF Initial version.
-//   22 May 01  WEKEMPF Modified to use xtime for time outs.  Factored out
-//                      to three classes, mutex, try_mutex and timed_mutex.
-//    3 Jan 03  WEKEMPF Modified for DLL implementation.
-
-#endif // BOOST_MUTEX_WEK070601_HPP
diff --git a/include/boost/thread/once.hpp b/include/boost/thread/once.hpp
index 7ff1464a..d29efe8f 100644
--- a/include/boost/thread/once.hpp
+++ b/include/boost/thread/once.hpp
@@ -10,19 +10,14 @@
 //  http://www.boost.org/LICENSE_1_0.txt)
 
 #include <boost/thread/detail/platform.hpp>
-#ifdef BOOST_HAS_MPTASKS
-namespace boost {
-
-typedef long once_flag;
-#define BOOST_ONCE_INIT 0
-
-void call_once(once_flag& flag, void (*func)());
+#include BOOST_THREAD_PLATFORM(once.hpp)
 
+namespace boost
+{
+    inline void call_once(void (*func)(),once_flag& flag)
+    {
+        call_once(flag,func);
+    }
 }
 
-#else
-#include BOOST_THREAD_PLATFORM(once.hpp)
-#endif
-
-
 #endif
diff --git a/include/boost/thread/pthread/mutex.hpp b/include/boost/thread/pthread/mutex.hpp
new file mode 100644
index 00000000..09e5313b
--- /dev/null
+++ b/include/boost/thread/pthread/mutex.hpp
@@ -0,0 +1,216 @@
+#ifndef BOOST_THREAD_PTHREAD_MUTEX_HPP
+#define BOOST_THREAD_PTHREAD_MUTEX_HPP
+// (C) Copyright 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)
+
+#include <pthread.h>
+#include <boost/utility.hpp>
+#include <boost/thread/exceptions.hpp>
+#include <boost/thread/locks.hpp>
+#include <boost/thread/thread_time.hpp>
+#include <boost/assert.hpp>
+#include <unistd.h>
+#include <errno.h>
+#include "timespec.hpp"
+
+#ifdef _POSIX_TIMEOUTS
+#if _POSIX_TIMEOUTS >= 0
+#define BOOST_PTHREAD_HAS_TIMEDLOCK
+#endif
+#endif
+
+namespace boost
+{
+    class mutex:
+        boost::noncopyable
+    {
+    private:
+        pthread_mutex_t m;
+    public:
+        mutex()
+        {
+            int const res=pthread_mutex_init(&m,NULL);
+            if(res)
+            {
+                throw thread_resource_error();
+            }
+        }
+        ~mutex()
+        {
+            int const res=pthread_mutex_destroy(&m);
+            BOOST_ASSERT(!res);
+        }
+        
+        void lock()
+        {
+            int const res=pthread_mutex_lock(&m);
+            BOOST_ASSERT(!res);
+        }
+
+        void unlock()
+        {
+            int const res=pthread_mutex_unlock(&m);
+            BOOST_ASSERT(!res);
+        }
+        
+        bool try_lock()
+        {
+            int const res=pthread_mutex_trylock(&m);
+            BOOST_ASSERT(!res || res==EBUSY);
+            return !res;
+        }
+        typedef unique_lock<mutex> scoped_lock;
+        typedef scoped_lock scoped_try_lock;
+    };
+
+    typedef mutex try_mutex;
+
+    class timed_mutex:
+        boost::noncopyable
+    {
+    private:
+        pthread_mutex_t m;
+#ifdef BOOST_PTHREAD_HAS_TIMEDLOCK
+        pthread_cond_t cond;
+        bool is_locked;
+
+        struct pthread_mutex_scoped_lock
+        {
+            pthread_mutex_t* m;
+            explicit pthread_mutex_scoped_lock(pthread_mutex_t* m_):
+                m(m_)
+            {
+                int const res=pthread_mutex_lock(m);
+                BOOST_ASSERT(!res);
+            }
+            ~pthread_mutex_scoped_lock()
+            {
+                int const res=pthread_mutex_unlock(m);
+                BOOST_ASSERT(!res);
+            }
+            
+        };
+        
+            
+#endif
+    public:
+        timed_mutex()
+        {
+            int const res=pthread_mutex_init(&m,NULL);
+            if(res)
+            {
+                throw thread_resource_error();
+            }
+#ifdef BOOST_PTHREAD_HAS_TIMEDLOCK
+            int const res2=pthread_cond_init(&cond,NULL);
+            if(res2)
+            {
+                int const destroy_res=pthread_mutex_destroy(&m);
+                BOOST_ASSERT(!destroy_res);
+                throw thread_resource_error();
+            }
+            is_locked=false;
+#endif
+        }
+        ~timed_mutex()
+        {
+            int const res=pthread_mutex_destroy(&m);
+            BOOST_ASSERT(!res);
+#ifdef BOOST_PTHREAD_HAS_TIMEDLOCK
+            int const res2=pthread_cond_destroy(&cond);
+            BOOST_ASSERT(!res2);
+#endif
+        }
+
+        template<typename TimeDuration>
+        bool timed_lock(TimeDuration const & relative_time)
+        {
+            return timed_lock(get_system_time()+relative_time);
+        }
+
+#ifdef BOOST_PTHREAD_HAS_TIMEDLOCK
+        void lock()
+        {
+            int const res=pthread_mutex_lock(&m);
+            BOOST_ASSERT(!res);
+        }
+
+        void unlock()
+        {
+            int const res=pthread_mutex_unlock(&m);
+            BOOST_ASSERT(!res);
+        }
+        
+        bool try_lock()
+        {
+            int const res=pthread_mutex_trylock(&m);
+            BOOST_ASSERT(!res || res==EBUSY);
+            return !res;
+        }
+        bool timed_lock(system_time const & abs_time)
+        {
+            struct timespec const timeout=detail::get_timespec(abs_time);
+            int const res=pthread_mutex_timedlock(&m,&timeout);
+            BOOST_ASSERT(!res || res==EBUSY);
+            return !res;
+        }
+#else
+        void lock()
+        {
+            pthread_mutex_scoped_lock const _(&m);
+            while(is_locked)
+            {
+                int const cond_res=pthread_cond_wait(&cond,&m);
+                BOOST_ASSERT(!cond_res);
+            }
+            is_locked=true;
+        }
+
+        void unlock()
+        {
+            pthread_mutex_scoped_lock const _(&m);
+            is_locked=false;
+            int const res=pthread_cond_signal(&cond);
+            BOOST_ASSERT(!res);
+        }
+        
+        bool try_lock()
+        {
+            pthread_mutex_scoped_lock const _(&m);
+            if(is_locked)
+            {
+                return false;
+            }
+            is_locked=true;
+            return true;
+        }
+
+        bool timed_lock(system_time const & abs_time)
+        {
+            struct timespec const timeout=detail::get_timespec(abs_time);
+            pthread_mutex_scoped_lock const _(&m);
+            while(is_locked)
+            {
+                int const cond_res=pthread_cond_timewait(&cond,&m,&timeout);
+                if(cond_res==ETIMEOUT)
+                {
+                    return false;
+                }
+                BOOST_ASSERT(!cond_res);
+            }
+            is_locked=true;
+            return true;
+        }
+#endif
+
+        typedef unique_lock<timed_mutex> scoped_timed_lock;
+        typedef scoped_timed_lock scoped_try_lock;
+        typedef scoped_timed_lock scoped_lock;
+    };
+
+}
+
+
+#endif
diff --git a/include/boost/thread/pthread/recursive_mutex.hpp b/include/boost/thread/pthread/recursive_mutex.hpp
new file mode 100644
index 00000000..2ccc3ae1
--- /dev/null
+++ b/include/boost/thread/pthread/recursive_mutex.hpp
@@ -0,0 +1,276 @@
+#ifndef BOOST_THREAD_PTHREAD_RECURSIVE_MUTEX_HPP
+#define BOOST_THREAD_PTHREAD_RECURSIVE_MUTEX_HPP
+// (C) Copyright 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)
+
+#include <pthread.h>
+#include <boost/utility.hpp>
+#include <boost/thread/exceptions.hpp>
+#include <boost/thread/locks.hpp>
+#include <boost/thread/thread_time.hpp>
+#include <boost/assert.hpp>
+#include <unistd.h>
+#include <boost/date_time/posix_time/conversion.hpp>
+#include <errno.h>
+#include "timespec.hpp"
+
+#ifdef _POSIX_TIMEOUTS
+#if _POSIX_TIMEOUTS >= 0
+#define BOOST_PTHREAD_HAS_TIMEDLOCK
+#endif
+#endif
+
+namespace boost
+{
+    class recursive_mutex:
+        boost::noncopyable
+    {
+    private:
+        pthread_mutex_t m;
+    public:
+        recursive_mutex()
+        {
+            pthread_mutexattr_t attr;
+            
+            int const init_attr_res=pthread_mutexattr_init(&attr);
+            if(init_attr_res)
+            {
+                throw thread_resource_error();
+            }
+            int const set_attr_res=pthread_mutexattr_settype(&attr,PTHREAD_MUTEX_RECURSIVE);
+            if(set_attr_res)
+            {
+                throw thread_resource_error();
+            }
+            
+            int const res=pthread_mutex_init(&m,&attr);
+            if(res)
+            {
+                throw thread_resource_error();
+            }
+            int const destroy_attr_res=pthread_mutexattr_destroy(&attr);
+            BOOST_ASSERT(!destroy_attr_res);
+        }
+        ~recursive_mutex()
+        {
+            int const res=pthread_mutex_destroy(&m);
+            BOOST_ASSERT(!res);
+        }
+        
+        void lock()
+        {
+            int const res=pthread_mutex_lock(&m);
+            BOOST_ASSERT(!res);
+        }
+
+        void unlock()
+        {
+            int const res=pthread_mutex_unlock(&m);
+            BOOST_ASSERT(!res);
+        }
+        
+        bool try_lock()
+        {
+            int const res=pthread_mutex_trylock(&m);
+            BOOST_ASSERT(!res || res==EBUSY);
+            return !res;
+        }
+        typedef unique_lock<recursive_mutex> scoped_lock;
+        typedef scoped_lock scoped_try_lock;
+    };
+
+    typedef recursive_mutex recursive_try_mutex;
+
+    class recursive_timed_mutex:
+        boost::noncopyable
+    {
+    private:
+        pthread_mutex_t m;
+#ifndef BOOST_PTHREAD_HAS_TIMEDLOCK
+        pthread_cond_t cond;
+        bool is_locked;
+        pthread_t owner;
+        unsigned count;
+
+        struct pthread_mutex_scoped_lock
+        {
+            pthread_mutex_t* m;
+            explicit pthread_mutex_scoped_lock(pthread_mutex_t* m_):
+                m(m_)
+            {
+                int const res=pthread_mutex_lock(m);
+                BOOST_ASSERT(!res);
+            }
+            ~pthread_mutex_scoped_lock()
+            {
+                int const res=pthread_mutex_unlock(m);
+                BOOST_ASSERT(!res);
+            }
+            
+        };
+        
+            
+#endif
+    public:
+        recursive_timed_mutex()
+        {
+#ifdef BOOST_PTHREAD_HAS_TIMEDLOCK
+            pthread_mutexattr_t attr;
+            
+            int const init_attr_res=pthread_mutexattr_init(&attr);
+            if(init_attr_res)
+            {
+                throw thread_resource_error();
+            }
+            int const set_attr_res=pthread_mutexattr_settype(&attr,PTHREAD_MUTEX_RECURSIVE);
+            if(set_attr_res)
+            {
+                throw thread_resource_error();
+            }
+            
+            int const res=pthread_mutex_init(&m,&attr);
+            if(res)
+            {
+                throw thread_resource_error();
+            }
+            int const destroy_attr_res=pthread_mutexattr_destroy(&attr);
+            BOOST_ASSERT(!destroy_attr_res);
+#else
+            int const res=pthread_mutex_init(&m,NULL);
+            if(res)
+            {
+                throw thread_resource_error();
+            }
+            int const res2=pthread_cond_init(&cond,NULL);
+            if(res2)
+            {
+                int const destroy_res=pthread_mutex_destroy(&m);
+                BOOST_ASSERT(!destroy_res);
+                throw thread_resource_error();
+            }
+            is_locked=false;
+            count=0;
+#endif
+        }
+        ~recursive_timed_mutex()
+        {
+            int const res=pthread_mutex_destroy(&m);
+            BOOST_ASSERT(!res);
+#ifndef BOOST_PTHREAD_HAS_TIMEDLOCK
+            int const res2=pthread_cond_destroy(&cond);
+            BOOST_ASSERT(!res2);
+#endif
+        }
+
+        template<typename TimeDuration>
+        bool timed_lock(TimeDuration const & relative_time)
+        {
+            return timed_lock(get_system_time()+relative_time);
+        }
+
+#ifdef BOOST_PTHREAD_HAS_TIMEDLOCK
+        void lock()
+        {
+            int const res=pthread_mutex_lock(&m);
+            BOOST_ASSERT(!res);
+        }
+
+        void unlock()
+        {
+            int const res=pthread_mutex_unlock(&m);
+            BOOST_ASSERT(!res);
+        }
+        
+        bool try_lock()
+        {
+            int const res=pthread_mutex_trylock(&m);
+            BOOST_ASSERT(!res || res==EBUSY);
+            return !res;
+        }
+        bool timed_lock(system_time const & abs_time)
+        {
+            struct timespec const timeout=detail::get_timespec(abs_time);
+            int const res=pthread_mutex_timedlock(&m,&timeout);
+            BOOST_ASSERT(!res || res==EBUSY);
+            return !res;
+        }
+#else
+        void lock()
+        {
+            pthread_mutex_scoped_lock const _(&m);
+            if(is_locked && owner==pthread_self())
+            {
+                ++count;
+                return;
+            }
+            
+            while(is_locked)
+            {
+                int const cond_res=pthread_cond_wait(&cond,&m);
+                BOOST_ASSERT(!cond_res);
+            }
+            is_locked=true;
+            ++count;
+            owner=pthread_self();
+        }
+
+        void unlock()
+        {
+            pthread_mutex_scoped_lock const _(&m);
+            if(!--count)
+            {
+                is_locked=false;
+            }
+            int const res=pthread_cond_signal(&cond);
+            BOOST_ASSERT(!res);
+        }
+        
+        bool try_lock()
+        {
+            pthread_mutex_scoped_lock const _(&m);
+            if(is_locked && owner!=pthread_self())
+            {
+                return false;
+            }
+            is_locked=true;
+            ++count;
+            owner=pthread_self();
+            return true;
+        }
+
+        bool timed_lock(system_time const & abs_time)
+        {
+            struct timespec const timeout=detail::get_timespec(abs_time);
+            pthread_mutex_scoped_lock const _(&m);
+            if(is_locked && owner==pthread_self())
+            {
+                ++count;
+                return;
+            }
+            while(is_locked)
+            {
+                int const cond_res=pthread_cond_timewait(&cond,&m,&timeout);
+                if(cond_res==ETIMEOUT)
+                {
+                    return false;
+                }
+                BOOST_ASSERT(!cond_res);
+            }
+            is_locked=true;
+            ++count;
+            owner=pthread_self();
+            return true;
+        }
+#endif
+
+        typedef unique_lock<recursive_timed_mutex> scoped_timed_lock;
+        typedef scoped_timed_lock scoped_try_lock;
+        typedef scoped_timed_lock scoped_lock;
+    };
+
+}
+
+
+#endif
diff --git a/include/boost/thread/pthread/timespec.hpp b/include/boost/thread/pthread/timespec.hpp
new file mode 100644
index 00000000..a7039f7a
--- /dev/null
+++ b/include/boost/thread/pthread/timespec.hpp
@@ -0,0 +1,23 @@
+#ifndef BOOST_THREAD_PTHREAD_TIMESPEC_HPP
+#define BOOST_THREAD_PTHREAD_TIMESPEC_HPP
+
+#include <boost/thread/thread_time.hpp>
+#include <boost/date_time/posix_time/conversion.hpp>
+
+namespace boost
+{
+    namespace detail
+    {
+        inline struct timespec get_timespec(boost::system_time const& abs_time)
+        {
+            struct timespec timeout={0};
+            boost::posix_time::time_duration const time_since_epoch=abs_time-boost::posix_time::from_time_t(0);
+            
+            timeout.tv_sec=time_since_epoch.total_seconds();
+            timeout.tv_nsec=time_since_epoch.fractional_seconds()*(1000000000/time_since_epoch.ticks_per_second());
+            return timeout;
+        }
+    }
+}
+
+#endif
diff --git a/include/boost/thread/recursive_mutex.hpp b/include/boost/thread/recursive_mutex.hpp
index a7efa48f..f01ae11b 100644
--- a/include/boost/thread/recursive_mutex.hpp
+++ b/include/boost/thread/recursive_mutex.hpp
@@ -1,184 +1,15 @@
-// Copyright (C) 2001-2003
-// William E. Kempf
+#ifndef BOOST_THREAD_RECURSIVE_MUTEX_HPP
+#define BOOST_THREAD_RECURSIVE_MUTEX_HPP
+
+//  recursive_mutex.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 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_RECURSIVE_MUTEX_WEK070601_HPP
-#define BOOST_RECURSIVE_MUTEX_WEK070601_HPP
+#include <boost/thread/detail/platform.hpp>
+#include BOOST_THREAD_PLATFORM(recursive_mutex.hpp)
 
-#include <boost/thread/detail/config.hpp>
-
-#include <boost/utility.hpp>
-#include <boost/thread/detail/lock.hpp>
-
-#if defined(BOOST_HAS_PTHREADS)
-#   include <pthread.h>
 #endif
-
-#if defined(BOOST_HAS_MPTASKS)
-#   include "scoped_critical_region.hpp"
-#endif
-
-namespace boost {
-
-struct xtime;
-// disable warnings about non dll import
-// see: http://www.boost.org/more/separate_compilation.html#dlls
-#ifdef BOOST_MSVC
-#   pragma warning(push)
-#   pragma warning(disable: 4251 4231 4660 4275)
-#endif
-class BOOST_THREAD_DECL recursive_mutex
-    : private noncopyable
-{
-public:
-    friend class detail::thread::lock_ops<recursive_mutex>;
-
-    typedef detail::thread::scoped_lock<recursive_mutex> scoped_lock;
-
-    recursive_mutex();
-    ~recursive_mutex();
-
-private:
-#if (defined(BOOST_HAS_WINTHREADS) || defined(BOOST_HAS_MPTASKS))
-    typedef std::size_t cv_state;
-#elif defined(BOOST_HAS_PTHREADS)
-    struct cv_state
-    {
-        long count;
-        pthread_mutex_t* pmutex;
-    };
-#endif
-    void do_lock();
-    void do_unlock();
-    void do_lock(cv_state& state);
-    void do_unlock(cv_state& state);
-
-#if defined(BOOST_HAS_WINTHREADS)
-    void* m_mutex;
-    bool m_critical_section;
-    unsigned long m_count;
-#elif defined(BOOST_HAS_PTHREADS)
-    pthread_mutex_t m_mutex;
-    unsigned m_count;
-#   if !defined(BOOST_HAS_PTHREAD_MUTEXATTR_SETTYPE)
-    pthread_cond_t m_unlocked;
-    pthread_t m_thread_id;
-    bool m_valid_id;
-#   endif
-#elif defined(BOOST_HAS_MPTASKS)
-    threads::mac::detail::scoped_critical_region m_mutex;
-    threads::mac::detail::scoped_critical_region m_mutex_mutex;
-    std::size_t m_count;
-#endif
-};
-
-class BOOST_THREAD_DECL recursive_try_mutex
-    : private noncopyable
-{
-public:
-    friend class detail::thread::lock_ops<recursive_try_mutex>;
-
-    typedef detail::thread::scoped_lock<recursive_try_mutex> scoped_lock;
-    typedef detail::thread::scoped_try_lock<
-        recursive_try_mutex> scoped_try_lock;
-
-    recursive_try_mutex();
-    ~recursive_try_mutex();
-
-private:
-#if (defined(BOOST_HAS_WINTHREADS) || defined(BOOST_HAS_MPTASKS))
-    typedef std::size_t cv_state;
-#elif defined(BOOST_HAS_PTHREADS)
-    struct cv_state
-    {
-        long count;
-        pthread_mutex_t* pmutex;
-    };
-#endif
-    void do_lock();
-    bool do_trylock();
-    void do_unlock();
-    void do_lock(cv_state& state);
-    void do_unlock(cv_state& state);
-
-#if defined(BOOST_HAS_WINTHREADS)
-    void* m_mutex;
-    bool m_critical_section;
-    unsigned long m_count;
-#elif defined(BOOST_HAS_PTHREADS)
-    pthread_mutex_t m_mutex;
-    unsigned m_count;
-#   if !defined(BOOST_HAS_PTHREAD_MUTEXATTR_SETTYPE)
-    pthread_cond_t m_unlocked;
-    pthread_t m_thread_id;
-    bool m_valid_id;
-#   endif
-#elif defined(BOOST_HAS_MPTASKS)
-    threads::mac::detail::scoped_critical_region m_mutex;
-    threads::mac::detail::scoped_critical_region m_mutex_mutex;
-    std::size_t m_count;
-#endif
-};
-
-class BOOST_THREAD_DECL recursive_timed_mutex
-    : private noncopyable
-{
-public:
-    friend class detail::thread::lock_ops<recursive_timed_mutex>;
-
-    typedef detail::thread::scoped_lock<recursive_timed_mutex> scoped_lock;
-    typedef detail::thread::scoped_try_lock<
-        recursive_timed_mutex> scoped_try_lock;
-    typedef detail::thread::scoped_timed_lock<
-        recursive_timed_mutex> scoped_timed_lock;
-
-    recursive_timed_mutex();
-    ~recursive_timed_mutex();
-
-private:
-#if (defined(BOOST_HAS_WINTHREADS) || defined(BOOST_HAS_MPTASKS))
-    typedef std::size_t cv_state;
-#elif defined(BOOST_HAS_PTHREADS)
-    struct cv_state
-    {
-        long count;
-        pthread_mutex_t* pmutex;
-    };
-#endif
-    void do_lock();
-    bool do_trylock();
-    bool do_timedlock(const xtime& xt);
-    void do_unlock();
-    void do_lock(cv_state& state);
-    void do_unlock(cv_state& state);
-
-#if defined(BOOST_HAS_WINTHREADS)
-    void* m_mutex;
-    unsigned long m_count;
-#elif defined(BOOST_HAS_PTHREADS)
-    pthread_mutex_t m_mutex;
-    pthread_cond_t m_unlocked;
-    pthread_t m_thread_id;
-    bool m_valid_id;
-    unsigned m_count;
-#elif defined(BOOST_HAS_MPTASKS)
-    threads::mac::detail::scoped_critical_region m_mutex;
-    threads::mac::detail::scoped_critical_region m_mutex_mutex;
-    std::size_t m_count;
-#endif
-};
-#ifdef BOOST_MSVC
-#   pragma warning(pop)
-#endif
-} // namespace boost
-
-#endif // BOOST_RECURSIVE_MUTEX_WEK070601_HPP
-
-// Change Log:
-//    8 Feb 01  WEKEMPF Initial version.
-//    1 Jun 01  WEKEMPF Modified to use xtime for time outs.  Factored out
-//                      to three classes, mutex, try_mutex and timed_mutex.
-//   11 Jun 01  WEKEMPF Modified to use PTHREAD_MUTEX_RECURSIVE if available.
-//    3 Jan 03  WEKEMPF Modified for DLL implementation.
diff --git a/include/boost/thread/thread_time.hpp b/include/boost/thread/thread_time.hpp
new file mode 100644
index 00000000..8c735977
--- /dev/null
+++ b/include/boost/thread/thread_time.hpp
@@ -0,0 +1,40 @@
+#ifndef BOOST_THREAD_TIME_HPP
+#define BOOST_THREAD_TIME_HPP
+#include <boost/date_time/microsec_time_clock.hpp>
+#include <boost/date_time/posix_time/posix_time_types.hpp>
+
+namespace boost
+{
+    typedef boost::posix_time::ptime system_time;
+    
+    inline system_time get_system_time()
+    {
+        return boost::date_time::microsec_clock<system_time>::universal_time();
+    }
+
+    namespace detail
+    {
+        inline system_time get_system_time_sentinel()
+        {
+            return system_time(boost::posix_time::pos_infin);
+        }
+
+        inline unsigned get_milliseconds_until(system_time const& target_time)
+        {
+            if(target_time.is_pos_infinity())
+            {
+                return ~0u;
+            }
+            system_time const now=get_system_time();
+            if(target_time<=now)
+            {
+                return 0;
+            }
+            return (target_time-now).total_milliseconds();
+        }
+
+    }
+    
+}
+
+#endif
diff --git a/include/boost/thread/win32/basic_recursive_mutex.hpp b/include/boost/thread/win32/basic_recursive_mutex.hpp
new file mode 100644
index 00000000..e5f79981
--- /dev/null
+++ b/include/boost/thread/win32/basic_recursive_mutex.hpp
@@ -0,0 +1,120 @@
+#ifndef BOOST_BASIC_RECURSIVE_MUTEX_WIN32_HPP
+#define BOOST_BASIC_RECURSIVE_MUTEX_WIN32_HPP
+
+//  basic_recursive_mutex.hpp
+//
+//  (C) Copyright 2006-7 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)
+
+#include "thread_primitives.hpp"
+#include "basic_timed_mutex.hpp"
+
+namespace boost
+{
+    namespace detail
+    {
+        template<typename underlying_mutex_type>
+        struct basic_recursive_mutex_impl
+        {
+            long recursion_count;
+            long locking_thread_id;
+            underlying_mutex_type mutex;
+
+            void initialize()
+            {
+                recursion_count=0;
+                locking_thread_id=0;
+                mutex.initialize();
+            }
+
+            void destroy()
+            {
+                mutex.destroy();
+            }
+
+            bool try_lock()
+            {
+                long const current_thread_id=win32::GetCurrentThreadId();
+                return try_recursive_lock(current_thread_id) || try_basic_lock(current_thread_id);
+            }
+            
+            void lock()
+            {
+                long const current_thread_id=win32::GetCurrentThreadId();
+                if(!try_recursive_lock(current_thread_id))
+                {
+                    mutex.lock();
+                    BOOST_INTERLOCKED_EXCHANGE(&locking_thread_id,current_thread_id);
+                    recursion_count=1;
+                }
+            }
+            bool timed_lock(::boost::system_time const& target)
+            {
+                long const current_thread_id=win32::GetCurrentThreadId();
+                return try_recursive_lock(current_thread_id) || try_timed_lock(current_thread_id,target);
+            }
+            long get_active_count()
+            {
+                return mutex.get_active_count();
+            }
+
+            void unlock()
+            {
+                if(!--recursion_count)
+                {
+                    BOOST_INTERLOCKED_EXCHANGE(&locking_thread_id,0);
+                    mutex.unlock();
+                }
+            }
+
+            bool locked()
+            {
+                return mutex.locked();
+            }
+            
+        private:
+            bool try_recursive_lock(long current_thread_id)
+            {
+                if(::boost::detail::interlocked_read_acquire(&locking_thread_id)==current_thread_id)
+                {
+                    ++recursion_count;
+                    return true;
+                }
+                return false;
+            }
+            
+            bool try_basic_lock(long current_thread_id)
+            {
+                if(mutex.try_lock())
+                {
+                    BOOST_INTERLOCKED_EXCHANGE(&locking_thread_id,current_thread_id);
+                    recursion_count=1;
+                    return true;
+                }
+                return false;
+            }
+            
+            bool try_timed_lock(long current_thread_id,::boost::system_time const& target)
+            {
+                if(mutex.timed_lock(target))
+                {
+                    BOOST_INTERLOCKED_EXCHANGE(&locking_thread_id,current_thread_id);
+                    recursion_count=1;
+                    return true;
+                }
+                return false;
+            }
+            
+        };
+
+        typedef basic_recursive_mutex_impl<basic_timed_mutex> basic_recursive_mutex;
+        typedef basic_recursive_mutex_impl<basic_timed_mutex> basic_recursive_timed_mutex;
+    }
+}
+
+#define BOOST_BASIC_RECURSIVE_MUTEX_INITIALIZER {0}
+
+#endif
diff --git a/include/boost/thread/win32/basic_timed_mutex.hpp b/include/boost/thread/win32/basic_timed_mutex.hpp
new file mode 100644
index 00000000..bc2b1af0
--- /dev/null
+++ b/include/boost/thread/win32/basic_timed_mutex.hpp
@@ -0,0 +1,157 @@
+#ifndef BOOST_BASIC_TIMED_MUTEX_WIN32_HPP
+#define BOOST_BASIC_TIMED_MUTEX_WIN32_HPP
+
+//  basic_timed_mutex_win32.hpp
+//
+//  (C) Copyright 2006 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)
+
+#include <boost/assert.hpp>
+#include "thread_primitives.hpp"
+#include "interlocked_read.hpp"
+#include <boost/thread/thread_time.hpp>
+
+namespace boost
+{
+    namespace detail
+    {
+        struct basic_timed_mutex
+        {
+            BOOST_STATIC_CONSTANT(long,lock_flag_value=0x80000000);
+            long active_count;
+            void* event;
+
+            void initialize()
+            {
+                active_count=0;
+                event=0;
+            }
+
+            void destroy()
+            {
+                void* const old_event=BOOST_INTERLOCKED_EXCHANGE_POINTER(&event,0);
+                if(old_event)
+                {
+                    win32::CloseHandle(old_event);
+                }
+            }
+            
+          
+            bool try_lock()
+            {
+                long old_count=active_count&~lock_flag_value;
+                do
+                {
+                    long const current_count=BOOST_INTERLOCKED_COMPARE_EXCHANGE(&active_count,(old_count+1)|lock_flag_value,old_count);
+                    if(current_count==old_count)
+                    {
+                        return true;
+                    }
+                    old_count=current_count;
+                }
+                while(!(old_count&lock_flag_value));
+                return false;
+            }
+            
+            void lock()
+            {
+                bool const success=timed_lock(::boost::detail::get_system_time_sentinel());
+                BOOST_ASSERT(success);
+            }
+            bool timed_lock(::boost::system_time const& wait_until)
+            {
+                long old_count=active_count;
+                while(true)
+                {
+                    long const current_count=BOOST_INTERLOCKED_COMPARE_EXCHANGE(&active_count,(old_count+1)|lock_flag_value,old_count);
+                    if(current_count==old_count)
+                    {
+                        break;
+                    }
+                    old_count=current_count;
+                }
+
+                if(old_count&lock_flag_value)
+                {
+                    bool lock_acquired=false;
+                    void* const sem=get_event();
+                    ++old_count; // we're waiting, too
+                    do
+                    {
+                        old_count-=(lock_flag_value+1); // there will be one less active thread on this mutex when it gets unlocked
+                        if(win32::WaitForSingleObject(sem,::boost::detail::get_milliseconds_until(wait_until))!=0)
+                        {
+                            BOOST_INTERLOCKED_DECREMENT(&active_count);
+                            return false;
+                        }
+                        do
+                        {
+                            long const current_count=BOOST_INTERLOCKED_COMPARE_EXCHANGE(&active_count,old_count|lock_flag_value,old_count);
+                            if(current_count==old_count)
+                            {
+                                break;
+                            }
+                            old_count=current_count;
+                        }
+                        while(!(old_count&lock_flag_value));
+                        lock_acquired=!(old_count&lock_flag_value);
+                    }
+                    while(!lock_acquired);
+                }
+                return true;
+            }
+
+            long get_active_count()
+            {
+                return ::boost::detail::interlocked_read_acquire(&active_count);
+            }
+
+            void unlock()
+            {
+                long const offset=lock_flag_value+1;
+                long old_count=BOOST_INTERLOCKED_EXCHANGE_ADD(&active_count,-offset);
+                
+                if(old_count>offset)
+                {
+                    win32::SetEvent(get_event());
+                }
+            }
+
+            bool locked()
+            {
+                return get_active_count()>=lock_flag_value;
+            }
+            
+        private:
+            void* get_event()
+            {
+                void* current_event=::boost::detail::interlocked_read_acquire(&event);
+                
+                if(!current_event)
+                {
+                    void* const new_event=win32::create_anonymous_event(win32::auto_reset_event,win32::event_initially_reset);
+                    void* const old_event=BOOST_INTERLOCKED_COMPARE_EXCHANGE_POINTER(&event,new_event,0);
+                    if(old_event!=0)
+                    {
+                        win32::CloseHandle(new_event);
+                        return old_event;
+                    }
+                    else
+                    {
+                        return new_event;
+                    }
+                }
+                return current_event;
+            }
+            
+        };
+        
+    }
+}
+
+#define BOOST_BASIC_TIMED_MUTEX_INITIALIZER {0}
+
+#endif
diff --git a/include/boost/thread/win32/interlocked_read.hpp b/include/boost/thread/win32/interlocked_read.hpp
index 98f0b3e6..77a333ba 100644
--- a/include/boost/thread/win32/interlocked_read.hpp
+++ b/include/boost/thread/win32/interlocked_read.hpp
@@ -9,7 +9,7 @@
 //  accompanying file LICENSE_1_0.txt or copy at
 //  http://www.boost.org/LICENSE_1_0.txt)
 
-#include <boost/detail/interlocked.hpp>
+#ifdef BOOST_MSVC
 
 extern "C" void _ReadWriteBarrier(void);
 #pragma intrinsic(_ReadWriteBarrier)
@@ -33,4 +33,26 @@ namespace boost
     }
 }
 
+#else
+
+#include <boost/detail/interlocked.hpp>
+
+namespace boost
+{
+    namespace detail
+    {
+        inline long interlocked_read_acquire(long volatile* x)
+        {
+            return BOOST_INTERLOCKED_COMPARE_EXCHANGE(x,0,0);
+        }
+        inline void* interlocked_read_acquire(void* volatile* x)
+        {
+            return BOOST_INTERLOCKED_COMPARE_EXCHANGE_POINTER(x,0,0);
+        }
+    }
+}
+
+#endif
+
+
 #endif
diff --git a/include/boost/thread/win32/mutex.hpp b/include/boost/thread/win32/mutex.hpp
new file mode 100644
index 00000000..29759a9a
--- /dev/null
+++ b/include/boost/thread/win32/mutex.hpp
@@ -0,0 +1,61 @@
+#ifndef BOOST_THREAD_WIN32_MUTEX_HPP
+#define BOOST_THREAD_WIN32_MUTEX_HPP
+// (C) Copyright 2005-7 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)
+
+#include "basic_timed_mutex.hpp"
+#include <boost/utility.hpp>
+#include <boost/thread/exceptions.hpp>
+#include <boost/thread/locks.hpp>
+
+namespace boost
+{
+    namespace detail
+    {
+        typedef ::boost::detail::basic_timed_mutex underlying_mutex;
+    }
+
+    class mutex:
+		boost::noncopyable,
+        public ::boost::detail::underlying_mutex
+    {
+    public:
+        mutex()
+        {
+            initialize();
+        }
+        ~mutex()
+        {
+            destroy();
+        }
+
+        typedef unique_lock<mutex> scoped_lock;
+        typedef scoped_lock scoped_try_lock;
+    };
+
+    typedef mutex try_mutex;
+
+    class timed_mutex:
+        boost::noncopyable,
+        public ::boost::detail::basic_timed_mutex
+    {
+    public:
+        timed_mutex()
+        {
+            initialize();
+        }
+
+        ~timed_mutex()
+        {
+            destroy();
+        }
+
+        typedef unique_lock<timed_mutex> scoped_timed_lock;
+        typedef scoped_timed_lock scoped_try_lock;
+        typedef scoped_timed_lock scoped_lock;
+    };
+}
+
+#endif
diff --git a/include/boost/thread/win32/recursive_mutex.hpp b/include/boost/thread/win32/recursive_mutex.hpp
new file mode 100644
index 00000000..855dd15b
--- /dev/null
+++ b/include/boost/thread/win32/recursive_mutex.hpp
@@ -0,0 +1,61 @@
+#ifndef BOOST_RECURSIVE_MUTEX_WIN32_HPP
+#define BOOST_RECURSIVE_MUTEX_WIN32_HPP
+
+//  recursive_mutex.hpp
+//
+//  (C) Copyright 2006-7 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)
+
+
+#include <boost/utility.hpp>
+#include "basic_recursive_mutex.hpp"
+#include <boost/thread/exceptions.hpp>
+#include <boost/thread/locks.hpp>
+
+namespace boost
+{
+    class recursive_mutex:
+        boost::noncopyable,
+        public ::boost::detail::basic_recursive_mutex
+    {
+    public:
+        recursive_mutex()
+        {
+            ::boost::detail::basic_recursive_mutex::initialize();
+        }
+        ~recursive_mutex()
+        {
+            ::boost::detail::basic_recursive_mutex::destroy();
+        }
+
+        typedef unique_lock<recursive_mutex> scoped_lock;
+        typedef scoped_lock scoped_try_lock;
+    };
+
+    typedef recursive_mutex recursive_try_mutex;
+
+    class recursive_timed_mutex:
+        boost::noncopyable,
+        public ::boost::detail::basic_recursive_timed_mutex
+    {
+    public:
+        recursive_timed_mutex()
+        {
+            ::boost::detail::basic_recursive_timed_mutex::initialize();
+        }
+        ~recursive_timed_mutex()
+        {
+            ::boost::detail::basic_recursive_timed_mutex::destroy();
+        }
+
+        typedef unique_lock<recursive_timed_mutex> scoped_timed_lock;
+        typedef scoped_timed_lock scoped_try_lock;
+        typedef scoped_timed_lock scoped_lock;
+    };
+}
+
+
+#endif
diff --git a/include/boost/thread/win32/thread_primitives.hpp b/include/boost/thread/win32/thread_primitives.hpp
index 2213c7b8..6ada6ae4 100644
--- a/include/boost/thread/win32/thread_primitives.hpp
+++ b/include/boost/thread/win32/thread_primitives.hpp
@@ -113,13 +113,21 @@ namespace boost
             inline handle create_anonymous_event(event_type type,initial_event_state state)
             {
                 handle const res=CreateEventA(0,type,state,0);
-                return res?res:throw thread_resource_error();
+                if(!res)
+                {
+                    throw thread_resource_error();
+                }
+                return res;
             }
 
             inline handle create_anonymous_semaphore(long initial_count,long max_count)
             {
                 handle const res=CreateSemaphoreA(NULL,initial_count,max_count,NULL);
-                return res?res:throw thread_resource_error();
+                if(!res)
+                {
+                    throw thread_resource_error();
+                }
+                return res;
             }
 
             inline handle duplicate_handle(handle source)
@@ -128,7 +136,11 @@ namespace boost
                 long const same_access_flag=2;
                 handle new_handle=0;
                 bool const success=DuplicateHandle(current_process,source,current_process,&new_handle,0,false,same_access_flag)!=0;
-                return success?new_handle:throw thread_resource_error();
+                if(!success)
+                {
+                    throw thread_resource_error();
+                }
+                return new_handle;
             }
 
             inline void release_semaphore(handle semaphore,long count)