cnd_signal

From cppreference.com
< c | thread
Defined in header <threads.h>
int cnd_signal( cnd_t *cond );
(since C11)

Unblocks one thread that currently waits on condition variable pointed to by cond. If no threads are blocked, does nothing and returns thrd_success.

[edit] Parameters

cond - pointer to a condition variable

[edit] Return value

thrd_success if successful, thrd_error otherwise.

[edit] See also

unblocks all threads blocked on a condition variable
(function)