ATOMIC_FLAG_INIT

< c‎ | atomic
 
C
 
Atomic operations library
 
Defined in header <stdatomic.h>
#define ATOMIC_FLAG_INIT /* unspecified */
 (since C11)

Expands to an expression that can be used to initialize atomic_flag type. The value atomic_flag that is not initialized using this macro is undefined.

Example

Run this code
#include <stdatomic.h>
 
atomic_flag flag = ATOMIC_FLAG_INIT;


References

  • C11 standard (ISO/IEC 9899:2011):
  • 7.17.1/3 ATOMIC_FLAG_INIT (p: 273)
  • 7.17.8/4 ATOMIC_FLAG_INIT (p: 285)

See also

(C11)(deprecated in C17)
 initializes a new atomic object
(function macro)
(C11)
 lock-free atomic boolean flag
(struct)