| 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 |
| 21 | void atomic_thread_fence(memory_order order) { |
| 22 | __c11_atomic_thread_fence(order); |
| 23 | } |
| 24 | |
| 25 | #endif |
| 26 | |