| 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.
| cond | - | pointer to a condition variable | 
thrd_success if successful, thrd_error otherwise.
| (C11) | unblocks all threads blocked on a condition variable (function) | 
| C++ documentation for condition_variable::notify_one | |
| C++ documentation for condition_variable_any::notify_one | |
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