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80 lines
1.9 KiB
80 lines
1.9 KiB
// |
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// detail/impl/win_mutex.ipp |
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// ~~~~~~~~~~~~~~~~~~~~~~~~~ |
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// |
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// Copyright (c) 2003-2011 Christopher M. Kohlhoff (chris at kohlhoff dot com) |
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// |
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// Distributed under the Boost Software License, Version 1.0. (See accompanying |
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
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// |
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#ifndef BOOST_ASIO_DETAIL_IMPL_WIN_MUTEX_IPP |
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#define BOOST_ASIO_DETAIL_IMPL_WIN_MUTEX_IPP |
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#if defined(_MSC_VER) && (_MSC_VER >= 1200) |
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# pragma once |
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#endif // defined(_MSC_VER) && (_MSC_VER >= 1200) |
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#include <boost/asio/detail/config.hpp> |
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#if defined(BOOST_WINDOWS) |
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#include <boost/asio/detail/throw_error.hpp> |
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#include <boost/asio/detail/win_mutex.hpp> |
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#include <boost/asio/error.hpp> |
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#include <boost/asio/detail/push_options.hpp> |
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namespace boost { |
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namespace asio { |
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namespace detail { |
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win_mutex::win_mutex() |
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{ |
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int error = do_init(); |
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boost::system::error_code ec(error, |
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boost::asio::error::get_system_category()); |
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boost::asio::detail::throw_error(ec, "mutex"); |
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} |
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int win_mutex::do_init() |
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{ |
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#if defined(__MINGW32__) |
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// Not sure if MinGW supports structured exception handling, so for now |
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// we'll just call the Windows API and hope. |
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# if defined(UNDER_CE) |
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::InitializeCriticalSection(&crit_section_); |
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# else |
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if (!::InitializeCriticalSectionAndSpinCount(&crit_section_, 0x80000000)) |
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return ::GetLastError(); |
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# endif |
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return 0; |
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#else |
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__try |
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{ |
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# if defined(UNDER_CE) |
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::InitializeCriticalSection(&crit_section_); |
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# else |
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if (!::InitializeCriticalSectionAndSpinCount(&crit_section_, 0x80000000)) |
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return ::GetLastError(); |
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# endif |
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} |
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__except(GetExceptionCode() == STATUS_NO_MEMORY |
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? EXCEPTION_EXECUTE_HANDLER : EXCEPTION_CONTINUE_SEARCH) |
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{ |
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return ERROR_OUTOFMEMORY; |
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} |
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return 0; |
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#endif |
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} |
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} // namespace detail |
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} // namespace asio |
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} // namespace boost |
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#include <boost/asio/detail/pop_options.hpp> |
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#endif // defined(BOOST_WINDOWS) |
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#endif // BOOST_ASIO_DETAIL_IMPL_WIN_MUTEX_IPP
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