SQS_POLL_CLEANUP
sqp->sq_state |= SQS_POLL_CLEANUP;
if (sqp->sq_state & SQS_POLL_CLEANUP) {
sqp->sq_state &= ~(SQS_POLL_CLEANUP | SQS_POLL_THR_QUIESCED |
(SQS_POLL_QUIESCE | SQS_POLL_RESTART | SQS_POLL_CLEANUP)