| 1 | /* |
|---|---|
| 2 | * Distributed under the Boost Software License, Version 1.0. |
| 3 | * (See accompanying file LICENSE_1_0.txt or copy at |
| 4 | * http://www.boost.org/LICENSE_1_0.txt) |
| 5 | * |
| 6 | * Copyright (c) 2011 Helge Bahmann |
| 7 | * Copyright (c) 2013 Tim Blechmann |
| 8 | * Copyright (c) 2014 Andrey Semashev |
| 9 | */ |
| 10 | /*! |
| 11 | * \file atomic/fences.hpp |
| 12 | * |
| 13 | * This header contains definition of \c atomic_thread_fence and \c atomic_signal_fence functions. |
| 14 | */ |
| 15 | |
| 16 | #ifndef BOOST_ATOMIC_FENCES_HPP_INCLUDED_ |
| 17 | #define BOOST_ATOMIC_FENCES_HPP_INCLUDED_ |
| 18 | |
| 19 | #include <boost/memory_order.hpp> |
| 20 | #include <boost/atomic/capabilities.hpp> |
| 21 | #include <boost/atomic/detail/fence_operations.hpp> |
| 22 | #include <boost/atomic/detail/header.hpp> |
| 23 | |
| 24 | #ifdef BOOST_HAS_PRAGMA_ONCE |
| 25 | #pragma once |
| 26 | #endif |
| 27 | |
| 28 | /* |
| 29 | * IMPLEMENTATION NOTE: All interface functions MUST be declared with BOOST_FORCEINLINE, |
| 30 | * see comment for convert_memory_order_to_gcc in gcc_atomic_memory_order_utils.hpp. |
| 31 | */ |
| 32 | |
| 33 | namespace boost { |
| 34 | |
| 35 | namespace atomics { |
| 36 | |
| 37 | BOOST_FORCEINLINE void atomic_thread_fence(memory_order order) BOOST_NOEXCEPT |
| 38 | { |
| 39 | atomics::detail::fence_operations::thread_fence(order); |
| 40 | } |
| 41 | |
| 42 | BOOST_FORCEINLINE void atomic_signal_fence(memory_order order) BOOST_NOEXCEPT |
| 43 | { |
| 44 | atomics::detail::fence_operations::signal_fence(order); |
| 45 | } |
| 46 | |
| 47 | } // namespace atomics |
| 48 | |
| 49 | using atomics::atomic_thread_fence; |
| 50 | using atomics::atomic_signal_fence; |
| 51 | |
| 52 | } // namespace boost |
| 53 | |
| 54 | #include <boost/atomic/detail/footer.hpp> |
| 55 | |
| 56 | #endif // BOOST_ATOMIC_FENCES_HPP_INCLUDED_ |
| 57 |