ipc_addid
retval = ipc_addid(&msg_ids(ns), &msq->q_perm, ns->msg_ctlmni);
retval = ipc_addid(&sem_ids(ns), &sma->sem_perm, ns->sc_semmni);
error = ipc_addid(&shm_ids(ns), &shp->shm_perm, ns->shm_ctlmni);
int ipc_addid(struct ipc_ids *, struct kern_ipc_perm *, int);