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//
// detail/win_mutex.hpp
// ~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2011 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_WIN_MUTEX_HPP
#define BOOST_ASIO_DETAIL_WIN_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_WINDOWS)
#include <boost/asio/detail/noncopyable.hpp>
#include <boost/asio/detail/scoped_lock.hpp>
#include <boost/asio/detail/socket_types.hpp>
#include <boost/asio/detail/push_options.hpp>
namespace boost {
namespace asio {
namespace detail {
class win_mutex
: private noncopyable
{
public:
typedef boost::asio::detail::scoped_lock<win_mutex> scoped_lock;
// Constructor.
BOOST_ASIO_DECL win_mutex();
// Destructor.
~win_mutex()
{
::DeleteCriticalSection(&crit_section_);
}
// Lock the mutex.
void lock()
{
::EnterCriticalSection(&crit_section_);
}
// Unlock the mutex.
void unlock()
{
::LeaveCriticalSection(&crit_section_);
}
private:
// Initialisation must be performed in a separate function to the constructor
// since the compiler does not support the use of structured exceptions and
// C++ exceptions in the same function.
BOOST_ASIO_DECL int do_init();
::CRITICAL_SECTION crit_section_;
};
} // namespace detail
} // namespace asio
} // namespace boost
#include <boost/asio/detail/pop_options.hpp>
#if defined(BOOST_ASIO_HEADER_ONLY)
# include <boost/asio/detail/impl/win_mutex.ipp>
#endif // defined(BOOST_ASIO_HEADER_ONLY)
#endif // defined(BOOST_WINDOWS)
#endif // BOOST_ASIO_DETAIL_WIN_MUTEX_HPP
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Swift