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//
// detail/posix_static_mutex.hpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2012 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_POSIX_STATIC_MUTEX_HPP
#define BOOST_ASIO_DETAIL_POSIX_STATIC_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_HAS_PTHREADS) && !defined(BOOST_ASIO_DISABLE_THREADS)
#include <pthread.h>
#include <boost/asio/detail/scoped_lock.hpp>
#include <boost/asio/detail/push_options.hpp>
namespace boost {
namespace asio {
namespace detail {
struct posix_static_mutex
{
typedef boost::asio::detail::scoped_lock<posix_static_mutex> scoped_lock;
// Initialise the mutex.
void init()
{
// Nothing to do.
}
// Lock the mutex.
void lock()
{
(void)::pthread_mutex_lock(&mutex_); // Ignore EINVAL.
}
// Unlock the mutex.
void unlock()
{
(void)::pthread_mutex_unlock(&mutex_); // Ignore EINVAL.
}
::pthread_mutex_t mutex_;
};
#define BOOST_ASIO_POSIX_STATIC_MUTEX_INIT { PTHREAD_MUTEX_INITIALIZER }
} // namespace detail
} // namespace asio
} // namespace boost
#include <boost/asio/detail/pop_options.hpp>
#endif // defined(BOOST_HAS_PTHREADS) && !defined(BOOST_ASIO_DISABLE_THREADS)
#endif // BOOST_ASIO_DETAIL_POSIX_STATIC_MUTEX_HPP
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