atomic_flag_clear.c 791 B

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  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. #ifndef __has_include
  13. #define __has_include(inc) 0
  14. #endif
  15. #if __has_include(<stdatomic.h>)
  16. #include <stdatomic.h>
  17. #undef atomic_flag_clear
  18. void atomic_flag_clear(volatile atomic_flag *object) {
  19. __c11_atomic_store(&(object)->_Value, 0, __ATOMIC_SEQ_CST);
  20. }
  21. #endif