Symbol: MSGQ_RCVWAITING
sys/kern/sysv_msg.c
352
que->que_flags |= MSGQ_RCVWAITING;
sys/kern/sysv_msg.c
391
if (que->que_flags & MSGQ_RCVWAITING) {
sys/kern/sysv_msg.c
392
que->que_flags &= ~MSGQ_RCVWAITING;