cv_timedwait
err = cv_timedwait(&sc->sc_cmd_cv, &sc->sc_bus.bus_lock,
error = cv_timedwait(&sc->sc_cv, &sc->sc_lock, hz);
error = cv_timedwait(&sc->sc_cv, &sc->sc_lock,
ret = cv_timedwait(&t->reset_cv, &t->seq_lock, i + 1);
cv_timedwait(&((waitqueue).wq), &((waitqueue).lock), \