UQ_SUSPEND
} else if (uq->uq_flags & UQ_SUSPEND) {
uq->uq_flags &= ~(UQ_SUSPEND | UQ_SUSPENDED);
while ((uq->uq_flags & UQ_SUSPEND) &&
uq->uq_flags |= (UQ_SUSPEND | UQ_WAIT);
uq->uq_flags &= ~(UQ_SUSPEND | UQ_SUSPENDED);
if (uq->uq_flags & UQ_SUSPEND) {