ipc_commit_end
lock = ipc_commit_end(msq_svc, &qp->msg_perm);
lock = ipc_commit_end(shm_svc, &sp->shm_perm);
kmutex_t *ipc_commit_end(ipc_service_t *, kipc_perm_t *);
lock = ipc_commit_end(sem_svc, &sp->sem_perm);