/*
* Returns 0 if there is a pending job in scheduler or 1 if done and can exit.
*/
static inline int _lthread_sched_isdone(struct lthread_sched *sched)
{
return (sched->run_flag == 0) &&
(_lthread_queue_empty(sched->ready)) &&
(_lthread_queue_empty(sched->pready)) &&
(sched->nb_blocked_threads == 0);
}
/*
* Broadcast a condition variable
*/
int lthread_cond_broadcast(struct lthread_cond *c)
{
struct lthread *lt;
if (c == NULL) {
DIAG_EVENT(c, LT_DIAG_COND_BROADCAST, c, POSIX_ERRNO(EINVAL));
return POSIX_ERRNO(EINVAL);
}
DIAG_EVENT(c, LT_DIAG_COND_BROADCAST, c, 0);
do {
/* drain the queue waking everybody */
lt = _lthread_queue_remove(c->blocked);
if (lt != NULL) {
DIAG_EVENT(c, LT_DIAG_COND_BROADCAST, c, lt);
/* wake up */
_ready_queue_insert((struct lthread_sched *)lt->sched,
lt);
}
} while (!_lthread_queue_empty(c->blocked));
_reschedule();
DIAG_EVENT(c, LT_DIAG_COND_BROADCAST, c, 0);
return 0;
}