/Src/Dependencies/Boost/boost/asio/detail/gcc_hppa_fenced_block.hpp
http://hadesmem.googlecode.com/ · C++ Header · 60 lines · 35 code · 13 blank · 12 comment · 3 complexity · 01e7fca7eb9e677725b7b020b9a3802e MD5 · raw file
- //
- // detail/gcc_hppa_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 BOOST_ASIO_DETAIL_GCC_HPPA_FENCED_BLOCK_HPP
- #define BOOST_ASIO_DETAIL_GCC_HPPA_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__) && (defined(__hppa) || defined(__hppa__))
- #include <boost/asio/detail/push_options.hpp>
- namespace boost {
- namespace asio {
- namespace detail {
- class gcc_hppa_fenced_block
- : private noncopyable
- {
- public:
- // Constructor.
- gcc_hppa_fenced_block()
- {
- barrier();
- }
- // Destructor.
- ~gcc_hppa_fenced_block()
- {
- barrier();
- }
- private:
- static void barrier()
- {
- // This is just a placeholder and almost certainly not sufficient.
- __asm__ __volatile__ ("" : : : "memory");
- }
- };
- } // namespace detail
- } // namespace asio
- } // namespace boost
- #include <boost/asio/detail/pop_options.hpp>
- #endif // defined(__GNUC__) && (defined(__hppa) || defined(__hppa__))
- #endif // BOOST_ASIO_DETAIL_GCC_HPPA_FENCED_BLOCK_HPP