Lines Matching refs:semctl
11 /* X/OPEN tells us to use <sys/{types,ipc,sem}.h> for semctl() */
61 /* The last arg of semctl is a union semun, but where is it defined?
259 maxid = semctl(0, 0, SEM_INFO, arg);
269 if ((semctl(0, 0, IPC_INFO, arg)) < 0)
312 semid = semctl(id, 0, SEM_STAT, arg);
529 if (semctl(semid, 0, IPC_STAT, arg)) {
530 bb_perror_msg("semctl");
553 val = semctl(semid, i, GETVAL, arg);
554 ncnt = semctl(semid, i, GETNCNT, arg);
555 zcnt = semctl(semid, i, GETZCNT, arg);
556 pid = semctl(semid, i, GETPID, arg);
558 bb_perror_msg_and_die("semctl");