REF_NOWAIT
(ic->ic_refcnt.ir_waiting == REF_NOWAIT) ? "" :
refcnt->ir_waiting = REF_NOWAIT;
ASSERT(refcnt->ir_waiting == REF_NOWAIT);
if (refcnt->ir_waiting == REF_NOWAIT) {
if (refcnt->ir_waiting == REF_NOWAIT && refcnt->ir_refcnt > 0)