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- /*
- * 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)
- *
- * Copyright (c) 2009 Helge Bahmann
- * Copyright (c) 2012 Tim Blechmann
- * Copyright (c) 2014, 2019 Andrey Semashev
- */
- /*!
- * \file atomic/detail/ops_msvc_common.hpp
- *
- * This header contains common tools for MSVC implementation of the \c operations template.
- */
- #ifndef BOOST_ATOMIC_DETAIL_OPS_MSVC_COMMON_HPP_INCLUDED_
- #define BOOST_ATOMIC_DETAIL_OPS_MSVC_COMMON_HPP_INCLUDED_
- #include <boost/atomic/detail/config.hpp>
- #ifdef BOOST_HAS_PRAGMA_ONCE
- #pragma once
- #endif
- // Define compiler barriers
- #if defined(__INTEL_COMPILER)
- #define BOOST_ATOMIC_DETAIL_COMPILER_BARRIER() __memory_barrier()
- #elif defined(__clang__)
- #define BOOST_ATOMIC_DETAIL_COMPILER_BARRIER() __atomic_signal_fence(__ATOMIC_SEQ_CST)
- #elif defined(_MSC_VER) && !defined(_WIN32_WCE)
- extern "C" void _ReadWriteBarrier(void);
- #pragma intrinsic(_ReadWriteBarrier)
- #define BOOST_ATOMIC_DETAIL_COMPILER_BARRIER() _ReadWriteBarrier()
- #endif
- #ifndef BOOST_ATOMIC_DETAIL_COMPILER_BARRIER
- #define BOOST_ATOMIC_DETAIL_COMPILER_BARRIER()
- #endif
- #endif // BOOST_ATOMIC_DETAIL_OPS_MSVC_COMMON_HPP_INCLUDED_
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