CTQ_REFFED
q->ctq_flags = dynamic ? CTQ_REFFED : 0;
if (q->ctq_flags & CTQ_REFFED)
if ((q->ctq_flags & CTQ_REFFED) && (q->ctq_nlisteners == 0))
if ((q->ctq_flags & CTQ_REFFED) && (q->ctq_flags & CTQ_DEAD) &&