// | |
// 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 |