85 lines
2.0 KiB
C++
85 lines
2.0 KiB
C++
//
|
|
// detail/impl/win_mutex.ipp
|
|
// ~~~~~~~~~~~~~~~~~~~~~~~~~
|
|
//
|
|
// Copyright (c) 2003-2021 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 ASIO_DETAIL_IMPL_WIN_MUTEX_IPP
|
|
#define ASIO_DETAIL_IMPL_WIN_MUTEX_IPP
|
|
|
|
#if defined(_MSC_VER) && (_MSC_VER >= 1200)
|
|
# pragma once
|
|
#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
|
|
|
|
#include "asio/detail/config.hpp"
|
|
|
|
#if defined(ASIO_WINDOWS)
|
|
|
|
#include "asio/detail/throw_error.hpp"
|
|
#include "asio/detail/win_mutex.hpp"
|
|
#include "asio/error.hpp"
|
|
|
|
#include "asio/detail/push_options.hpp"
|
|
|
|
namespace asio {
|
|
namespace detail {
|
|
|
|
win_mutex::win_mutex()
|
|
{
|
|
int error = do_init();
|
|
asio::error_code ec(error,
|
|
asio::error::get_system_category());
|
|
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_);
|
|
# elif defined(ASIO_WINDOWS_APP)
|
|
if (!::InitializeCriticalSectionEx(&crit_section_, 0, 0))
|
|
return ::GetLastError();
|
|
# else
|
|
if (!::InitializeCriticalSectionAndSpinCount(&crit_section_, 0x80000000))
|
|
return ::GetLastError();
|
|
# endif
|
|
return 0;
|
|
#else
|
|
__try
|
|
{
|
|
# if defined(UNDER_CE)
|
|
::InitializeCriticalSection(&crit_section_);
|
|
# elif defined(ASIO_WINDOWS_APP)
|
|
if (!::InitializeCriticalSectionEx(&crit_section_, 0, 0))
|
|
return ::GetLastError();
|
|
# 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
|
|
|
|
#include "asio/detail/pop_options.hpp"
|
|
|
|
#endif // defined(ASIO_WINDOWS)
|
|
|
|
#endif // ASIO_DETAIL_IMPL_WIN_MUTEX_IPP
|