Mercurial > hg > vamp-build-and-test
diff DEPENDENCIES/generic/include/boost/asio/detail/macos_fenced_block.hpp @ 16:2665513ce2d3
Add boost headers
author | Chris Cannam |
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date | Tue, 05 Aug 2014 11:11:38 +0100 |
parents | |
children | c530137014c0 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/DEPENDENCIES/generic/include/boost/asio/detail/macos_fenced_block.hpp Tue Aug 05 11:11:38 2014 +0100 @@ -0,0 +1,63 @@ +// +// detail/macos_fenced_block.hpp +// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +// +// Copyright (c) 2003-2013 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_MACOS_FENCED_BLOCK_HPP +#define BOOST_ASIO_DETAIL_MACOS_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(__MACH__) && defined(__APPLE__) + +#include <libkern/OSAtomic.h> + +#include <boost/asio/detail/push_options.hpp> + +namespace boost { +namespace asio { +namespace detail { + +class macos_fenced_block + : private noncopyable +{ +public: + enum half_t { half }; + enum full_t { full }; + + // Constructor for a half fenced block. + explicit macos_fenced_block(half_t) + { + } + + // Constructor for a full fenced block. + explicit macos_fenced_block(full_t) + { + OSMemoryBarrier(); + } + + // Destructor. + ~macos_fenced_block() + { + OSMemoryBarrier(); + } +}; + +} // namespace detail +} // namespace asio +} // namespace boost + +#include <boost/asio/detail/pop_options.hpp> + +#endif // defined(__MACH__) && defined(__APPLE__) + +#endif // BOOST_ASIO_DETAIL_MACOS_FENCED_BLOCK_HPP