1#ifndef BOOST_SMART_PTR_DETAIL_LIGHTWEIGHT_MUTEX_HPP_INCLUDED
2#define BOOST_SMART_PTR_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_NO_CXX11_HDR_MUTEX )
32# include <boost/smart_ptr/detail/lwm_std_mutex.hpp>
33#elif defined(_WIN32) || defined(__WIN32__) || defined(__CYGWIN__)
34# include <boost/smart_ptr/detail/lwm_win32_cs.hpp>
35#else
36# include <boost/smart_ptr/detail/lwm_pthreads.hpp>
37#endif
38
39#endif // #ifndef BOOST_SMART_PTR_DETAIL_LIGHTWEIGHT_MUTEX_HPP_INCLUDED
40

source code of include/boost/smart_ptr/detail/lightweight_mutex.hpp