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// atomic_tools.hpp ------------------------------------------------------------------//
// Copyright 2021 Andrey Semashev
// Distributed under the Boost Software License, Version 1.0.
// See http://www.boost.org/LICENSE_1_0.txt
// See library home page at http://www.boost.org/libs/filesystem
//--------------------------------------------------------------------------------------//
#ifndef BOOST_FILESYSTEM_SRC_ATOMIC_TOOLS_HPP_
#define BOOST_FILESYSTEM_SRC_ATOMIC_TOOLS_HPP_
#include <boost/filesystem/config.hpp>
#if !defined(BOOST_FILESYSTEM_SINGLE_THREADED)
#include "atomic_ref.hpp"
namespace boost {
namespace filesystem {
namespace detail {
//! Atomically loads the value
template< typename T >
BOOST_FORCEINLINE T atomic_load_relaxed(T& a)
{
return atomic_ns::atomic_ref< T >(a).load(atomic_ns::memory_order_relaxed);
}
//! Atomically stores the value
template< typename T >
BOOST_FORCEINLINE void atomic_store_relaxed(T& a, T val)
{
atomic_ns::atomic_ref< T >(a).store(val, atomic_ns::memory_order_relaxed);
}
} // namespace detail
} // namespace filesystem
} // namespace boost
#else // !defined(BOOST_FILESYSTEM_SINGLE_THREADED)
namespace boost {
namespace filesystem {
namespace detail {
//! Atomically loads the value
template< typename T >
BOOST_FORCEINLINE T atomic_load_relaxed(T const& a)
{
return a;
}
//! Atomically stores the value
template< typename T >
BOOST_FORCEINLINE void atomic_store_relaxed(T& a, T val)
{
a = val;
}
} // namespace detail
} // namespace filesystem
} // namespace boost
#endif // !defined(BOOST_FILESYSTEM_SINGLE_THREADED)
#endif // BOOST_FILESYSTEM_SRC_ATOMIC_TOOLS_HPP_
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