boost/asio/detail/mutex.hpp
// // detail/mutex.hpp // ~~~~~~~~~~~~~~~~ // // Copyright (c) 2003-2023 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 BOOST_ASIO_DETAIL_MUTEX_HPP #define BOOST_ASIO_DETAIL_MUTEX_HPP #if defined(_MSC_VER) && (_MSC_VER >= 1200) # pragma once #endif // defined(_MSC_VER) && (_MSC_VER >= 1200) #include <boost/asio/detail/config.hpp> #if !defined(BOOST_ASIO_HAS_THREADS) # include <boost/asio/detail/null_mutex.hpp> #elif defined(BOOST_ASIO_WINDOWS) # include <boost/asio/detail/win_mutex.hpp> #elif defined(BOOST_ASIO_HAS_PTHREADS) # include <boost/asio/detail/posix_mutex.hpp> #elif defined(BOOST_ASIO_HAS_STD_MUTEX_AND_CONDVAR) # include <boost/asio/detail/std_mutex.hpp> #else # error Only Windows, POSIX and std::mutex are supported! #endif namespace boost { namespace asio { namespace detail { #if !defined(BOOST_ASIO_HAS_THREADS) typedef null_mutex mutex; #elif defined(BOOST_ASIO_WINDOWS) typedef win_mutex mutex; #elif defined(BOOST_ASIO_HAS_PTHREADS) typedef posix_mutex mutex; #elif defined(BOOST_ASIO_HAS_STD_MUTEX_AND_CONDVAR) typedef std_mutex mutex; #endif } // namespace detail } // namespace asio } // namespace boost #endif // BOOST_ASIO_DETAIL_MUTEX_HPP