/*
* Unsleep a thread that's blocked on a condition variable.
*/
static void
cv_unsleep(kthread_t *t)
{
condvar_impl_t *cvp = (condvar_impl_t *)t->t_wchan;
sleepq_head_t *sqh = SQHASH(cvp);
ASSERT(THREAD_LOCK_HELD(t));
if (cvp == NULL)
panic("cv_unsleep: thread %p not on sleepq %p", t, sqh);
DTRACE_SCHED1(wakeup, kthread_t *, t);
sleepq_unsleep(t);
if (cvp->cv_waiters != CV_MAX_WAITERS)
cvp->cv_waiters--;
disp_lock_exit_high(&sqh->sq_lock);
CL_SETRUN(t);
}
/*
* sleepq_timeout:
*
* Entered via the callout(9) subsystem to time out an LWP that is on a
* sleep queue.
*/
void
sleepq_timeout(void *arg)
{
lwp_t *l = arg;
/*
* Lock the LWP. Assuming it's still on the sleep queue, its
* current mutex will also be the sleep queue mutex.
*/
lwp_lock(l);
if (l->l_wchan == NULL) {
/* Somebody beat us to it. */
lwp_unlock(l);
return;
}
//lwp_unsleep(l, true);
sleepq_unsleep(l, true);
}
