atomic_flag
From cppreference.com
C
Concurrency support (C11)
Concurrency support library
Threads
Atomic operations
(until C23)
Atomic flags
atomic_flag
Memory ordering
Mutual exclusion
Condition variables
Thread-local storage
Defined in header
<stdatomic.h>
typedef struct /* unspecified */ 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.
[edit] References
- C23 standard (ISO/IEC 9899:2024):
- 7.17.1/5 atomic_flag (p: 293)
- 7.17.8 Atomic flag type and operations (p: 302-303)
- C17 standard (ISO/IEC 9899:2018):
- 7.17.1/4 atomic_flag (p: 200)
- 7.17.8 Atomic flag type and operations (p: 208-209)
- 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)
[edit] See also
C++ documentation for atomic_flag