atomic_flag

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atomic_flag

Defined in header <stdatomic.h>
struct atomic_flag;
(since C11)

atomic_flag is an atomic boolean type. Unlike other atomic types, it is guaranteed to be lock-free. Unlike atomic_bool, atomic_flag does not provide load or store operations.

References

C11 standard (ISO/IEC 9899:2011):

  • 7.17.1/4 atomic_flag (p: 273)
  • 7.17.8 Atomic flag type and operations (p: 285-286)

See also

(C11)

initializes a new atomic_flag

(macro constant)

(C11)

sets an atomic_flag to true and returns the old value

(function)

(C11)

sets an atomic_flag to false

(function)

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