diff options
Diffstat (limited to '3rdParty/Boost/src/boost/asio/detail/gcc_sync_fenced_block.hpp')
-rw-r--r-- | 3rdParty/Boost/src/boost/asio/detail/gcc_sync_fenced_block.hpp | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/3rdParty/Boost/src/boost/asio/detail/gcc_sync_fenced_block.hpp b/3rdParty/Boost/src/boost/asio/detail/gcc_sync_fenced_block.hpp new file mode 100644 index 0000000..83341d5 --- /dev/null +++ b/3rdParty/Boost/src/boost/asio/detail/gcc_sync_fenced_block.hpp @@ -0,0 +1,63 @@ +// +// detail/gcc_sync_fenced_block.hpp +// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +// +// Copyright (c) 2003-2010 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_GCC_SYNC_FENCED_BLOCK_HPP +#define BOOST_ASIO_DETAIL_GCC_SYNC_FENCED_BLOCK_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(__GNUC__) \ + && ((__GNUC__ == 4 && __GNUC_MINOR__ >= 1) || (__GNUC__ > 4)) \ + && !defined(__INTEL_COMPILER) && !defined(__ICL) \ + && !defined(__ICC) && !defined(__ECC) && !defined(__PATHSCALE__) + +#include <boost/asio/detail/push_options.hpp> + +namespace boost { +namespace asio { +namespace detail { + +class gcc_sync_fenced_block + : private noncopyable +{ +public: + // Constructor. + gcc_sync_fenced_block() + : value_(0) + { + __sync_lock_test_and_set(&value_, 1); + } + + // Destructor. + ~gcc_sync_fenced_block() + { + __sync_lock_release(&value_); + } + +private: + int value_; +}; + +} // namespace detail +} // namespace asio +} // namespace boost + +#include <boost/asio/detail/pop_options.hpp> + +#endif // defined(__GNUC__) + // && ((__GNUC__ == 4 && __GNUC_MINOR__ >= 1) || (__GNUC__ > 4)) + // && !defined(__INTEL_COMPILER) && !defined(__ICL) + // && !defined(__ICC) && !defined(__ECC) && !defined(__PATHSCALE__) + +#endif // BOOST_ASIO_DETAIL_GCC_SYNC_FENCED_BLOCK_HPP |