Atomic operations library

 

C

Language

Standard Library

Type support

Dynamic memory management

Error handling

Program utilities

Date and time utilities

Strings library

Algorithms

Numerics

Input/output support

Localization support

Thread support (C11)

Atomic operations (C11)

 

Atomic operations library

Types

memory_order

atomic_flag

Macros

ATOMIC_***_LOCK_FREE

ATOMIC_FLAG_INIT

ATOMIC_VAR_INIT

kill_dependency

Functions

atomic_flag_test_and_set

atomic_flag_clear

atomic_init

atomic_is_lock_free

atomic_store

atomic_load

atomic_exchange

atomic_compare_exchange

atomic_fetch_add

atomic_fetch_sub

atomic_fetch_or

atomic_fetch_xor

atomic_fetch_and

atomic_thread_fence

atomic_signal_fence

 

If the macro constant __STDC_NO_ATOMICS__(C11) is defined by the compiler, the header <stdatomic.h>, the keyword _Atomic, and all of the names listed here are not provided.

Types

Template:c/atomic/dcl list memory orderTemplate:c/atomic/dcl list atomic flag

Defined in header <stdatomic.h>

Macros

Template:c/atomic/dcl list ATOMIC LOCK FREE constsTemplate:c/atomic/dcl list ATOMIC FLAG INITTemplate:c/atomic/dcl list ATOMIC VAR INITTemplate:c/atomic/dcl list kill dependency

Defined in header <stdatomic.h>

Functions

Template:c/atomic/dcl list atomic flag test and setTemplate:c/atomic/dcl list atomic flag clearTemplate:c/atomic/dcl list atomic initTemplate:c/atomic/dcl list atomic is lock freeTemplate:c/atomic/dcl list atomic storeTemplate:c/atomic/dcl list atomic loadTemplate:c/atomic/dcl list atomic exchangeTemplate:c/atomic/dcl list atomic compare exchangeTemplate:c/atomic/dcl list atomic fetch addTemplate:c/atomic/dcl list atomic fetch subTemplate:c/atomic/dcl list atomic fetch orTemplate:c/atomic/dcl list atomic fetch xorTemplate:c/atomic/dcl list atomic fetch andTemplate:c/atomic/dcl list atomic thread fenceTemplate:c/atomic/dcl list atomic signal fence

Defined in header <stdatomic.h>

Types

Typedef name	Full type name
atomic_bool	_Atomic _Bool
atomic_char	_Atomic char
atomic_schar	_Atomic signed char
atomic_uchar	_Atomic unsigned char
atomic_short	_Atomic short
atomic_ushort	_Atomic unsigned short
atomic_int	_Atomic int
atomic_uint	_Atomic unsigned int
atomic_long	_Atomic long
atomic_ulong	_Atomic unsigned long
atomic_llong	_Atomic long long
atomic_ullong	_Atomic unsigned long long
atomic_char16_t	_Atomic char16_t
atomic_char32_t	_Atomic char32_t
atomic_wchar_t	_Atomic wchar_t
atomic_int_least8_t	_Atomic int_least8_t
atomic_uint_least8_t	_Atomic uint_least8_t
atomic_int_least16_t	_Atomic int_least16_t
atomic_uint_least16_t	_Atomic uint_least16_t
atomic_int_least32_t	_Atomic int_least32_t
atomic_uint_least32_t	_Atomic uint_least32_t
atomic_int_least64_t	_Atomic int_least64_t
atomic_uint_least64_t	_Atomic uint_least64_t
atomic_int_fast8_t	_Atomic int_fast8_t
atomic_uint_fast8_t	_Atomic uint_fast8_t
atomic_int_fast16_t	_Atomic int_fast16_t
atomic_uint_fast16_t	_Atomic uint_fast16_t
atomic_int_fast32_t	_Atomic int_fast32_t
atomic_uint_fast32_t	_Atomic uint_fast32_t
atomic_int_fast64_t	_Atomic int_fast64_t
atomic_uint_fast64_t	_Atomic uint_fast64_t
atomic_intptr_t	_Atomic intptr_t
atomic_uintptr_t	_Atomic uintptr_t
atomic_size_t	_Atomic size_t
atomic_ptrdiff_t	_Atomic ptrdiff_t
atomic_intmax_t	_Atomic intmax_t
atomic_uintmax_t	_Atomic uintmax_t