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//
// detail/mutex.hpp
// ~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// 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 ASIO_DETAIL_MUTEX_HPP
#define ASIO_DETAIL_MUTEX_HPP
#if defined(_MSC_VER) && (_MSC_VER >= 1200)
# pragma once
#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
#include "asio/detail/config.hpp"
#if !defined(ASIO_HAS_THREADS)
# include "asio/detail/null_mutex.hpp"
#elif defined(ASIO_WINDOWS)
# include "asio/detail/win_mutex.hpp"
#elif defined(ASIO_HAS_PTHREADS)
# include "asio/detail/posix_mutex.hpp"
#elif defined(ASIO_HAS_STD_MUTEX_AND_CONDVAR)
# include "asio/detail/std_mutex.hpp"
#else
# error Only Windows, POSIX and std::mutex are supported!
#endif
namespace asio {
namespace detail {
#if !defined(ASIO_HAS_THREADS)
typedef null_mutex mutex;
#elif defined(ASIO_WINDOWS)
typedef win_mutex mutex;
#elif defined(ASIO_HAS_PTHREADS)
typedef posix_mutex mutex;
#elif defined(ASIO_HAS_STD_MUTEX_AND_CONDVAR)
typedef std_mutex mutex;
#endif
} // namespace detail
} // namespace asio
#endif // ASIO_DETAIL_MUTEX_HPP
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