1//===-- atomic_thread_fence.c ---------------------------------------------===//
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// This file implements atomic_thread_fence from C11's stdatomic.h.
10//
11//===----------------------------------------------------------------------===//
12
13#ifndef __has_include
14#define __has_include(inc) 0
15#endif
16
17#if __has_include(<stdatomic.h>)
18
19#include <stdatomic.h>
20#undef atomic_thread_fence
21void atomic_thread_fence(memory_order order) {
22 __c11_atomic_thread_fence(order);
23}
24
25#endif
26

source code of compiler-rt/lib/builtins/atomic_thread_fence.c