Function wakeup

freebsd/kern/kern_synch.c:343–356

* Make all threads sleeping on the specified identifier runnable. */

 * Make all threads sleeping on the specified identifier runnable.
 */
void
wakeup(const void *ident)
{
	int wakeup_swapper;

	sleepq_lock(ident);
	wakeup_swapper = sleepq_broadcast(ident, SLEEPQ_SLEEP, 0, 0);
	sleepq_release(ident);
	if (wakeup_swapper) {
		KASSERT(ident != &proc0,
		    ("wakeup and wakeup_swapper and proc0"));
		kick_proc0();
	}
}

/*
 * Make a thread sleeping on the specified identifier runnable.