cnd_broadcast

 

C

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Concurrency support (C11)

Technical Specifications

Symbol index

 

Concurrency support library

Threads thrd_create thrd_equal thrd_current    thrd_sleep thrd_yield thrd_exit thrd_detach thrd_join thrd_successthrd_timedoutthrd_busythrd_nomemthrd_error    Atomic operations atomic_init ATOMIC_VAR_INIT (until C23) ATOMIC_***_LOCK_FREE 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 flags atomic_flag ATOMIC_FLAG_INIT atomic_flag_test_and_set atomic_flag_clear Memory ordering memory_order kill_dependency atomic_thread_fence atomic_signal_fence Mutual exclusion mtx_init mtx_lock mtx_timedlock mtx_trylock call_once mtx_unlock mtx_destroy mtx_plainmtx_recursivemtx_timed Condition variables cnd_init cnd_signal cnd_broadcast cnd_wait cnd_timedwait cnd_destroy Thread-local storage thread_local TSS_DTOR_ITERATIONS    tss_create tss_get tss_set tss_delete

 

Defined in header <threads.h>
int cnd_broadcast( cnd_t *cond );		(since C11)

Unblocks all threads that are blocked on condition variable cond at the time of the call. If no threads are blocked on cond, the function does nothing and returns thrd_success.

Parameters

cond

-

pointer to a condition variable

Return value

thrd_success if successful, thrd_error otherwise.

References

• C17 standard (ISO/IEC 9899:2018):

• 7.26.3.1 The cnd_broadcast function (p: 275-276)

• C11 standard (ISO/IEC 9899:2011):

• 7.26.3.1 The cnd_broadcast function (p: 378)

See also

cnd_signal (C11)	unblocks one thread blocked on a condition variable (function)
C++ documentation for condition_variable::notify_all
C++ documentation for condition_variable_any::notify_all