// Copyright (C) 2001-2003

 // William E. Kempf

 //

 //  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_WEK070601_HPP

 #define BOOST_THREAD_WEK070601_HPP

 #include <boost/thread/detail/config.hpp>

 #include <boost/utility.hpp>

 #include <boost/function.hpp>

 #include <boost/thread/mutex.hpp>

 #include <list>

 #include <memory>

 #if defined(BOOST_HAS_PTHREADS)

 #   include <pthread.h>

 #   include <boost/thread/condition.hpp>

 #elif defined(BOOST_HAS_MPTASKS)

 #   include <Multiprocessing.h>

 #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 thread : private noncopyable

 {

 public:

     thread();

     explicit thread(const function0<void>& threadfunc);

     ~thread();

     bool operator==(const thread& other) const;

     bool operator!=(const thread& other) const;

     void join();

     static void sleep(const xtime& xt);

     static void yield();

 private:

 #if defined(BOOST_HAS_WINTHREADS)

     void* m_thread;

     unsigned int m_id;

 #elif defined(BOOST_HAS_PTHREADS)

 private:

     pthread_t m_thread;

 #elif defined(BOOST_HAS_MPTASKS)

     MPQueueID m_pJoinQueueID;

     MPTaskID m_pTaskID;

 #endif

     bool m_joinable;

 };

 class BOOST_THREAD_DECL thread_group : private noncopyable

 {

 public:

     thread_group();

     ~thread_group();

     thread* create_thread(const function0<void>& threadfunc);

     void add_thread(thread* thrd);

     void remove_thread(thread* thrd);

     void join_all();

         int size();

 private:

     std::list<thread*> m_threads;

     mutex m_mutex;

 };

 #ifdef BOOST_MSVC

 #   pragma warning(pop)

 #endif

 } // namespace boost

 // Change Log:

 //    8 Feb 01  WEKEMPF Initial version.

 //    1 Jun 01  WEKEMPF Added boost::thread initial implementation.

 //    3 Jul 01  WEKEMPF Redesigned boost::thread to be noncopyable.

 #endif // BOOST_THREAD_WEK070601_HPP