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[FreeBSD/FreeBSD.git] / contrib / compiler-rt / lib / builtins / atomic_flag_clear.c
1 /*===-- atomic_flag_clear.c -------------------------------------------------===
2  *
3  *                     The LLVM Compiler Infrastructure
4  *
5  * This file is dual licensed under the MIT and the University of Illinois Open
6  * Source Licenses. See LICENSE.TXT for details.
7  *
8  *===------------------------------------------------------------------------===
9  *
10  * This file implements atomic_flag_clear from C11's stdatomic.h.
11  *
12  *===------------------------------------------------------------------------===
13  */
14
15 #include <stdatomic.h>
16 #undef atomic_flag_clear
17 void atomic_flag_clear(volatile atomic_flag *object) {
18   return __c11_atomic_store(&(object)->_Value, 0, __ATOMIC_SEQ_CST);
19 }