1 #ifndef BOOST_DETAIL_LIGHTWEIGHT_MUTEX_HPP_INCLUDED

     2 #define BOOST_DETAIL_LIGHTWEIGHT_MUTEX_HPP_INCLUDED

     3 

     4 // MS compatible compilers support #pragma once

     5 

     6 #if defined(_MSC_VER) && (_MSC_VER >= 1020)

     7 # pragma once

     8 #endif

     9 

    10 //

    11 //  boost/detail/lightweight_mutex.hpp - lightweight mutex

    12 //

    13 //  Copyright (c) 2002, 2003 Peter Dimov and Multi Media Ltd.

    14 //

    15 // Distributed under the Boost Software License, Version 1.0. (See

    16 // accompanying file LICENSE_1_0.txt or copy at

    17 // http://www.boost.org/LICENSE_1_0.txt)

    18 //

    19 //  typedef <unspecified> boost::detail::lightweight_mutex;

    20 //

    21 //  boost::detail::lightweight_mutex is a header-only implementation of

    22 //  a subset of the Mutex concept requirements:

    23 //

    24 //  http://www.boost.org/doc/html/threads/concepts.html#threads.concepts.Mutex

    25 //

    26 //  It maps to a CRITICAL_SECTION on Windows or a pthread_mutex on POSIX.

    27 //

    28 

    29 #include <boost/config.hpp>

    30 

    31 #if !defined(BOOST_HAS_THREADS)

    32 # include <boost/detail/lwm_nop.hpp>

    33 #elif defined(WIN32) || defined(_WIN32) || defined(__WIN32__)

    34 #  include <boost/detail/lwm_win32_cs.hpp>

    35 #elif defined(BOOST_HAS_PTHREADS)

    36 #  include <boost/detail/lwm_pthreads.hpp>

    37 #else

    38 // Use #define BOOST_DISABLE_THREADS to avoid the error

    39 #  error Unrecognized threading platform

    40 #endif

    41 

    42 #endif // #ifndef BOOST_DETAIL_LIGHTWEIGHT_MUTEX_HPP_INCLUDED