2 // detail/gcc_hppa_fenced_block.hpp
3 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
5 // Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
7 // Distributed under the Boost Software License, Version 1.0. (See accompanying
8 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
11 #ifndef BOOST_ASIO_DETAIL_GCC_HPPA_FENCED_BLOCK_HPP
12 #define BOOST_ASIO_DETAIL_GCC_HPPA_FENCED_BLOCK_HPP
14 #if defined(_MSC_VER) && (_MSC_VER >= 1200)
16 #endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
18 #include <boost/asio/detail/config.hpp>
20 #if defined(__GNUC__) && (defined(__hppa) || defined(__hppa__))
22 #include <boost/asio/detail/noncopyable.hpp>
24 #include <boost/asio/detail/push_options.hpp>
30 class gcc_hppa_fenced_block
37 // Constructor for a half fenced block.
38 explicit gcc_hppa_fenced_block(half_t)
42 // Constructor for a full fenced block.
43 explicit gcc_hppa_fenced_block(full_t)
49 ~gcc_hppa_fenced_block()
57 // This is just a placeholder and almost certainly not sufficient.
58 __asm__ __volatile__ ("" : : : "memory");
66 #include <boost/asio/detail/pop_options.hpp>
68 #endif // defined(__GNUC__) && (defined(__hppa) || defined(__hppa__))
70 #endif // BOOST_ASIO_DETAIL_GCC_HPPA_FENCED_BLOCK_HPP