1 //===----------------------------------------------------------------------===//
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7 //===----------------------------------------------------------------------===//
9 #ifndef _LIBCPP___ATOMIC_FENCE_H
10 #define _LIBCPP___ATOMIC_FENCE_H
12 #include <__atomic/cxx_atomic_impl.h>
13 #include <__atomic/memory_order.h>
16 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
17 # pragma GCC system_header
20 _LIBCPP_BEGIN_NAMESPACE_STD
22 inline _LIBCPP_HIDE_FROM_ABI
void atomic_thread_fence(memory_order __m
) _NOEXCEPT
{ __cxx_atomic_thread_fence(__m
); }
24 inline _LIBCPP_HIDE_FROM_ABI
void atomic_signal_fence(memory_order __m
) _NOEXCEPT
{ __cxx_atomic_signal_fence(__m
); }
26 _LIBCPP_END_NAMESPACE_STD
28 #endif // _LIBCPP___ATOMIC_FENCE_H