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      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 #ifndef __has_include
     16 #define __has_include(inc) 0
     17 #endif
     18 
     19 #if __has_include(<stdatomic.h>)
     20 
     21 #include <stdatomic.h>
     22 #undef atomic_flag_clear
     23 void atomic_flag_clear(volatile atomic_flag *object) {
     24   __c11_atomic_store(&(object)->_Value, 0, __ATOMIC_SEQ_CST);
     25 }
     26 
     27 #endif
     28