57 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
		
		
			
		
	
	
			57 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
|   | /*
 | ||
|  |  * 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) 2011 Helge Bahmann | ||
|  |  * Copyright (c) 2013 Tim Blechmann | ||
|  |  * Copyright (c) 2014 Andrey Semashev | ||
|  |  */ | ||
|  | /*!
 | ||
|  |  * \file   atomic/fences.hpp | ||
|  |  * | ||
|  |  * This header contains definition of \c atomic_thread_fence and \c atomic_signal_fence functions. | ||
|  |  */ | ||
|  | 
 | ||
|  | #ifndef BOOST_ATOMIC_FENCES_HPP_INCLUDED_
 | ||
|  | #define BOOST_ATOMIC_FENCES_HPP_INCLUDED_
 | ||
|  | 
 | ||
|  | #include <boost/memory_order.hpp>
 | ||
|  | #include <boost/atomic/capabilities.hpp>
 | ||
|  | #include <boost/atomic/detail/fence_operations.hpp>
 | ||
|  | #include <boost/atomic/detail/header.hpp>
 | ||
|  | 
 | ||
|  | #ifdef BOOST_HAS_PRAGMA_ONCE
 | ||
|  | #pragma once
 | ||
|  | #endif
 | ||
|  | 
 | ||
|  | /*
 | ||
|  |  * IMPLEMENTATION NOTE: All interface functions MUST be declared with BOOST_FORCEINLINE, | ||
|  |  *                      see comment for convert_memory_order_to_gcc in gcc_atomic_memory_order_utils.hpp. | ||
|  |  */ | ||
|  | 
 | ||
|  | namespace boost { | ||
|  | 
 | ||
|  | namespace atomics { | ||
|  | 
 | ||
|  | BOOST_FORCEINLINE void atomic_thread_fence(memory_order order) BOOST_NOEXCEPT | ||
|  | { | ||
|  |     atomics::detail::fence_operations::thread_fence(order); | ||
|  | } | ||
|  | 
 | ||
|  | BOOST_FORCEINLINE void atomic_signal_fence(memory_order order) BOOST_NOEXCEPT | ||
|  | { | ||
|  |     atomics::detail::fence_operations::signal_fence(order); | ||
|  | } | ||
|  | 
 | ||
|  | } // namespace atomics
 | ||
|  | 
 | ||
|  | using atomics::atomic_thread_fence; | ||
|  | using atomics::atomic_signal_fence; | ||
|  | 
 | ||
|  | } // namespace boost
 | ||
|  | 
 | ||
|  | #include <boost/atomic/detail/footer.hpp>
 | ||
|  | 
 | ||
|  | #endif // BOOST_ATOMIC_FENCES_HPP_INCLUDED_
 |