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Contents
/*
* 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) 2020 Andrey Semashev
*/
/*!
* \file atomic/detail/fence_arch_ops_gcc_alpha.hpp
*
* This header contains implementation of the \c fence_arch_operations struct.
*/
#ifndef BOOST_ATOMIC_DETAIL_FENCE_ARCH_OPS_GCC_ALPHA_HPP_INCLUDED_
#define BOOST_ATOMIC_DETAIL_FENCE_ARCH_OPS_GCC_ALPHA_HPP_INCLUDED_
#include <boost/memory_order.hpp>
#include <boost/atomic/detail/config.hpp>
#include <boost/atomic/detail/header.hpp>
#ifdef BOOST_HAS_PRAGMA_ONCE
#pragma once
#endif
namespace boost {
namespace atomics {
namespace detail {
//! Fence operations for Alpha
struct fence_arch_operations_gcc_alpha
{
static BOOST_FORCEINLINE void thread_fence(memory_order order) BOOST_NOEXCEPT
{
if (order != memory_order_relaxed)
__asm__ __volatile__ ("mb" ::: "memory");
}
static BOOST_FORCEINLINE void signal_fence(memory_order order) BOOST_NOEXCEPT
{
if (order != memory_order_relaxed)
__asm__ __volatile__ ("" ::: "memory");
}
};
typedef fence_arch_operations_gcc_alpha fence_arch_operations;
} // namespace detail
} // namespace atomics
} // namespace boost
#include <boost/atomic/detail/footer.hpp>
#endif // BOOST_ATOMIC_DETAIL_FENCE_ARCH_OPS_GCC_ALPHA_HPP_INCLUDED_
Version data entries
17 entries across 17 versions & 1 rubygems