154 	int			semid;		/* semaphore set identifier */  member
1152 		un->semid = -1;  in freeary()
1230 static int semctl_stat(struct ipc_namespace *ns, int semid,  in semctl_stat()  argument
1241 		sma = sem_obtain_object(ns, semid);  in semctl_stat()
1247 		sma = sem_obtain_object_check(ns, semid);  in semctl_stat()
1304 static int semctl_info(struct ipc_namespace *ns, int semid,  in semctl_info()  argument
1339 static int semctl_setval(struct ipc_namespace *ns, int semid, int semnum,  in semctl_setval()  argument
1352 	sma = sem_obtain_object_check(ns, semid);  in semctl_setval()
1401 static int semctl_main(struct ipc_namespace *ns, int semid, int semnum,  in semctl_main()  argument
1412 	sma = sem_obtain_object_check(ns, semid);  in semctl_main()
1598 static int semctl_down(struct ipc_namespace *ns, int semid,  in semctl_down()  argument
1608 	ipcp = ipcctl_obtain_check(ns, &sem_ids(ns), semid, cmd,  in semctl_down()
1648 static long ksys_semctl(int semid, int semnum, int cmd, unsigned long arg, int version)  in ksys_semctl()  argument
1655 	if (semid < 0)  in ksys_semctl()
1663 		return semctl_info(ns, semid, cmd, p);  in ksys_semctl()
1667 		err = semctl_stat(ns, semid, cmd, &semid64);  in ksys_semctl()
1679 		return semctl_main(ns, semid, semnum, cmd, p);  in ksys_semctl()
1689 		return semctl_setval(ns, semid, semnum, val);  in ksys_semctl()
1696 		return semctl_down(ns, semid, cmd, &semid64);  in ksys_semctl()
1702 SYSCALL_DEFINE4(semctl, int, semid, int, semnum, int, cmd, unsigned long, arg)  in SYSCALL_DEFINE4()  argument
1704 	return ksys_semctl(semid, semnum, cmd, arg, IPC_64);  in SYSCALL_DEFINE4()
1708 long ksys_old_semctl(int semid, int semnum, int cmd, unsigned long arg)  in ksys_old_semctl()  argument
1712 	return ksys_semctl(semid, semnum, cmd, arg, version);  in ksys_old_semctl()
1715 SYSCALL_DEFINE4(old_semctl, int, semid, int, semnum, int, cmd, unsigned long, arg)  in SYSCALL_DEFINE4()  argument
1717 	return ksys_old_semctl(semid, semnum, cmd, arg);  in SYSCALL_DEFINE4()
1771 static long compat_ksys_semctl(int semid, int semnum, int cmd, int arg, int version)  in compat_ksys_semctl()  argument
1780 	if (semid < 0)  in compat_ksys_semctl()
1786 		return semctl_info(ns, semid, cmd, p);  in compat_ksys_semctl()
1790 		err = semctl_stat(ns, semid, cmd, &semid64);  in compat_ksys_semctl()
1802 		return semctl_main(ns, semid, semnum, cmd, p);  in compat_ksys_semctl()
1804 		return semctl_setval(ns, semid, semnum, arg);  in compat_ksys_semctl()
1810 		return semctl_down(ns, semid, cmd, &semid64);  in compat_ksys_semctl()
1816 COMPAT_SYSCALL_DEFINE4(semctl, int, semid, int, semnum, int, cmd, int, arg)  in COMPAT_SYSCALL_DEFINE4()  argument
1818 	return compat_ksys_semctl(semid, semnum, cmd, arg, IPC_64);  in COMPAT_SYSCALL_DEFINE4()
1822 long compat_ksys_old_semctl(int semid, int semnum, int cmd, int arg)  in compat_ksys_old_semctl()  argument
1826 	return compat_ksys_semctl(semid, semnum, cmd, arg, version);  in compat_ksys_old_semctl()
1829 COMPAT_SYSCALL_DEFINE4(old_semctl, int, semid, int, semnum, int, cmd, int, arg)  in COMPAT_SYSCALL_DEFINE4()  argument
1831 	return compat_ksys_old_semctl(semid, semnum, cmd, arg);  in COMPAT_SYSCALL_DEFINE4()
1866 static struct sem_undo *__lookup_undo(struct sem_undo_list *ulp, int semid)  in __lookup_undo()  argument
1872 		if (un->semid == semid)  in __lookup_undo()
1878 static struct sem_undo *lookup_undo(struct sem_undo_list *ulp, int semid)  in lookup_undo()  argument
1884 	un = __lookup_undo(ulp, semid);  in lookup_undo()
1903 static struct sem_undo *find_alloc_undo(struct ipc_namespace *ns, int semid)  in find_alloc_undo()  argument
1916 	un = lookup_undo(ulp, semid);  in find_alloc_undo()
1923 	sma = sem_obtain_object_check(ns, semid);  in find_alloc_undo()
1959 	un = lookup_undo(ulp, semid);  in find_alloc_undo()
1967 	new->semid = semid;  in find_alloc_undo()
1981 static long do_semtimedop(int semid, struct sembuf __user *tsops,  in do_semtimedop()  argument
1997 	if (nsops < 1 || semid < 0)  in do_semtimedop()
2046 		un = find_alloc_undo(ns, semid);  in do_semtimedop()
2056 	sma = sem_obtain_object_check(ns, semid);  in do_semtimedop()
2100 	if (un && un->semid == -1)  in do_semtimedop()
2234 long ksys_semtimedop(int semid, struct sembuf __user *tsops,  in ksys_semtimedop()  argument
2241 		return do_semtimedop(semid, tsops, nsops, &ts);  in ksys_semtimedop()
2243 	return do_semtimedop(semid, tsops, nsops, NULL);  in ksys_semtimedop()
2246 SYSCALL_DEFINE4(semtimedop, int, semid, struct sembuf __user *, tsops,  in SYSCALL_DEFINE4()  argument
2249 	return ksys_semtimedop(semid, tsops, nsops, timeout);  in SYSCALL_DEFINE4()
2253 long compat_ksys_semtimedop(int semid, struct sembuf __user *tsems,  in compat_ksys_semtimedop()  argument
2261 		return do_semtimedop(semid, tsems, nsops, &ts);  in compat_ksys_semtimedop()
2263 	return do_semtimedop(semid, tsems, nsops, NULL);  in compat_ksys_semtimedop()
2266 SYSCALL_DEFINE4(semtimedop_time32, int, semid, struct sembuf __user *, tsems,  in SYSCALL_DEFINE4()  argument
2270 	return compat_ksys_semtimedop(semid, tsems, nsops, timeout);  in SYSCALL_DEFINE4()
2274 SYSCALL_DEFINE3(semop, int, semid, struct sembuf __user *, tsops,  in SYSCALL_DEFINE3()  argument
2277 	return do_semtimedop(semid, tsops, nsops, NULL);  in SYSCALL_DEFINE3()
2328 		int semid, i;  in exit_sem()  local
2349 		semid = un->semid;  in exit_sem()
2353 		if (semid == -1) {  in exit_sem()
2358 		sma = sem_obtain_object_check(tsk->nsproxy->ipc_ns, semid);  in exit_sem()
2372 		un = __lookup_undo(ulp, semid);  in exit_sem()