cnd_init

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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

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(until C23)

atomic_compare_exchange

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atomic_flag_test_and_set

atomic_flag_clear

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memory_order
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mtx_init
mtx_lock
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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

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

Initializes new condition variable. The object pointed to bycond will be set to value that identifies the condition variable.

[edit]Parameters

cond

pointer to a variable to store identifier of the condition variable to

[edit]Return value

thrd_success if the condition variable was successfully created. Otherwise returnsthrd_nomem if there was insufficient amount of memory orthrd_error if another error occurred.