sleepq_enter
nlocks = sleepq_enter(sq, l, mp);
nlocks = sleepq_enter(sq, l, mp);
nlocks = sleepq_enter(sq, l, mp);
nlocks = sleepq_enter(NULL, l, NULL);
nlocks = sleepq_enter(&cc->cc_sleepq, l, cc->cc_lock);
nlocks = sleepq_enter(sq, l, lock);
(void)sleepq_enter(&sc->sc_sleepq, l, lock);
int sleepq_enter(sleepq_t *, lwp_t *, kmutex_t *);