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- //
- // detail/macos_fenced_block.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 ASIO_DETAIL_MACOS_FENCED_BLOCK_HPP
- #define ASIO_DETAIL_MACOS_FENCED_BLOCK_HPP
- #if defined(_MSC_VER) && (_MSC_VER >= 1200)
- # pragma once
- #endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
- #include "asio/detail/config.hpp"
- #if defined(__MACH__) && defined(__APPLE__)
- #include <libkern/OSAtomic.h>
- #include "asio/detail/push_options.hpp"
- namespace asio {
- namespace detail {
- class macos_fenced_block
- : private noncopyable
- {
- public:
- // Constructor.
- macos_fenced_block()
- {
- OSMemoryBarrier();
- }
- // Destructor.
- ~macos_fenced_block()
- {
- OSMemoryBarrier();
- }
- };
- } // namespace detail
- } // namespace asio
- #include "asio/detail/pop_options.hpp"
- #endif // defined(__MACH__) && defined(__APPLE__)
- #endif // ASIO_DETAIL_MACOS_FENCED_BLOCK_HPP
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