al_broadcast_cond - Man Page

#include <allegro5/allegro.h>

void al_broadcast_cond(ALLEGRO_COND *cond)

Unblock all threads currently waiting on a condition variable. That is, broadcast that some condition which those threads were waiting for has become true.

al_signal_cond(3).

Note: The pthreads spec says to lock the mutex associated with cond before signalling for predictable scheduling behaviour.

al_signal_cond(3), al_wait_cond(3).