// | |
// detail/impl/win_mutex.ipp | |
// ~~~~~~~~~~~~~~~~~~~~~~~~~ | |
// | |
// 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_IMPL_WIN_MUTEX_IPP | |
#define BOOST_ASIO_DETAIL_IMPL_WIN_MUTEX_IPP | |
#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/throw_error.hpp> | |
#include <boost/asio/detail/win_mutex.hpp> | |
#include <boost/asio/error.hpp> | |
#include <boost/asio/detail/push_options.hpp> | |
namespace boost { | |
namespace asio { | |
namespace detail { | |
win_mutex::win_mutex() | |
{ | |
int error = do_init(); | |
boost::system::error_code ec(error, | |
boost::asio::error::get_system_category()); | |
boost::asio::detail::throw_error(ec, "mutex"); | |
} | |
int win_mutex::do_init() | |
{ | |
#if defined(__MINGW32__) | |
// Not sure if MinGW supports structured exception handling, so for now | |
// we'll just call the Windows API and hope. | |
# if defined(UNDER_CE) | |
::InitializeCriticalSection(&crit_section_); | |
# else | |
if (!::InitializeCriticalSectionAndSpinCount(&crit_section_, 0x80000000)) | |
return ::GetLastError(); | |
# endif | |
return 0; | |
#else | |
__try | |
{ | |
# if defined(UNDER_CE) | |
::InitializeCriticalSection(&crit_section_); | |
# else | |
if (!::InitializeCriticalSectionAndSpinCount(&crit_section_, 0x80000000)) | |
return ::GetLastError(); | |
# endif | |
} | |
__except(GetExceptionCode() == STATUS_NO_MEMORY | |
? EXCEPTION_EXECUTE_HANDLER : EXCEPTION_CONTINUE_SEARCH) | |
{ | |
return ERROR_OUTOFMEMORY; | |
} | |
return 0; | |
#endif | |
} | |
} // namespace detail | |
} // namespace asio | |
} // namespace boost | |
#include <boost/asio/detail/pop_options.hpp> | |
#endif // defined(BOOST_WINDOWS) | |
#endif // BOOST_ASIO_DETAIL_IMPL_WIN_MUTEX_IPP |