MQ_UNLINK
mq->mq_attrib.mq_flags |= MQ_UNLINK;
if (mq->mq_refcnt == 0 && (mq->mq_attrib.mq_flags & MQ_UNLINK)) {
if (mq->mq_attrib.mq_flags & MQ_UNLINK) {
if (error || (mqattr->mq_flags & MQ_UNLINK)) {
if (error || (mqattr->mq_flags & MQ_UNLINK)) {