| 1 | //===-- atomic_flag_clear.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_flag_clear 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_flag_clear |
|---|
| 21 | void atomic_flag_clear(volatile atomic_flag *object) { |
|---|
| 22 | __c11_atomic_store(&(object)->_Value, 0, __ATOMIC_SEQ_CST); |
|---|
| 23 | } |
|---|
| 24 | |
|---|
| 25 | #endif |
|---|
| 26 | |
|---|
