1 //===----------------------------------------------------------------------===// 2 // 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 6 // 7 //===----------------------------------------------------------------------===// 8 9 #ifndef _LIBCPP___ATOMIC_FENCE_H 10 #define _LIBCPP___ATOMIC_FENCE_H 11 12 #include <__atomic/cxx_atomic_impl.h> 13 #include <__atomic/memory_order.h> 14 #include <__config> 15 16 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 17 # pragma GCC system_header 18 #endif 19 20 _LIBCPP_BEGIN_NAMESPACE_STD 21 22 inline _LIBCPP_HIDE_FROM_ABI 23 void 24 atomic_thread_fence(memory_order __m) _NOEXCEPT 25 { 26 __cxx_atomic_thread_fence(__m); 27 } 28 29 inline _LIBCPP_HIDE_FROM_ABI 30 void 31 atomic_signal_fence(memory_order __m) _NOEXCEPT 32 { 33 __cxx_atomic_signal_fence(__m); 34 } 35 36 _LIBCPP_END_NAMESPACE_STD 37 38 #endif // _LIBCPP___ATOMIC_FENCE_H 39