154 	int			semid;		/* semaphore set identifier */  member
1156 		un->semid = -1;  in freeary()
1234 static int semctl_stat(struct ipc_namespace *ns, int semid,  in semctl_stat()  argument
1245 		sma = sem_obtain_object(ns, semid);  in semctl_stat()
1251 		sma = sem_obtain_object_check(ns, semid);  in semctl_stat()
1308 static int semctl_info(struct ipc_namespace *ns, int semid,  in semctl_info()  argument
1343 static int semctl_setval(struct ipc_namespace *ns, int semid, int semnum,  in semctl_setval()  argument
1356 	sma = sem_obtain_object_check(ns, semid);  in semctl_setval()
1405 static int semctl_main(struct ipc_namespace *ns, int semid, int semnum,  in semctl_main()  argument
1416 	sma = sem_obtain_object_check(ns, semid);  in semctl_main()
1601 static int semctl_down(struct ipc_namespace *ns, int semid,  in semctl_down()  argument
1611 	ipcp = ipcctl_obtain_check(ns, &sem_ids(ns), semid, cmd,  in semctl_down()
1651 static long ksys_semctl(int semid, int semnum, int cmd, unsigned long arg, int version)  in ksys_semctl()  argument
1658 	if (semid < 0)  in ksys_semctl()
1666 		return semctl_info(ns, semid, cmd, p);  in ksys_semctl()
1670 		err = semctl_stat(ns, semid, cmd, &semid64);  in ksys_semctl()
1682 		return semctl_main(ns, semid, semnum, cmd, p);  in ksys_semctl()
1692 		return semctl_setval(ns, semid, semnum, val);  in ksys_semctl()
1699 		return semctl_down(ns, semid, cmd, &semid64);  in ksys_semctl()
1705 SYSCALL_DEFINE4(semctl, int, semid, int, semnum, int, cmd, unsigned long, arg)  in SYSCALL_DEFINE4()  argument
1707 	return ksys_semctl(semid, semnum, cmd, arg, IPC_64);  in SYSCALL_DEFINE4()
1711 long ksys_old_semctl(int semid, int semnum, int cmd, unsigned long arg)  in ksys_old_semctl()  argument
1715 	return ksys_semctl(semid, semnum, cmd, arg, version);  in ksys_old_semctl()
1718 SYSCALL_DEFINE4(old_semctl, int, semid, int, semnum, int, cmd, unsigned long, arg)  in SYSCALL_DEFINE4()  argument
1720 	return ksys_old_semctl(semid, semnum, cmd, arg);  in SYSCALL_DEFINE4()
1774 static long compat_ksys_semctl(int semid, int semnum, int cmd, int arg, int version)  in compat_ksys_semctl()  argument
1783 	if (semid < 0)  in compat_ksys_semctl()
1789 		return semctl_info(ns, semid, cmd, p);  in compat_ksys_semctl()
1793 		err = semctl_stat(ns, semid, cmd, &semid64);  in compat_ksys_semctl()
1805 		return semctl_main(ns, semid, semnum, cmd, p);  in compat_ksys_semctl()
1807 		return semctl_setval(ns, semid, semnum, arg);  in compat_ksys_semctl()
1813 		return semctl_down(ns, semid, cmd, &semid64);  in compat_ksys_semctl()
1819 COMPAT_SYSCALL_DEFINE4(semctl, int, semid, int, semnum, int, cmd, int, arg)  in COMPAT_SYSCALL_DEFINE4()  argument
1821 	return compat_ksys_semctl(semid, semnum, cmd, arg, IPC_64);  in COMPAT_SYSCALL_DEFINE4()
1825 long compat_ksys_old_semctl(int semid, int semnum, int cmd, int arg)  in compat_ksys_old_semctl()  argument
1829 	return compat_ksys_semctl(semid, semnum, cmd, arg, version);  in compat_ksys_old_semctl()
1832 COMPAT_SYSCALL_DEFINE4(old_semctl, int, semid, int, semnum, int, cmd, int, arg)  in COMPAT_SYSCALL_DEFINE4()  argument
1834 	return compat_ksys_old_semctl(semid, semnum, cmd, arg);  in COMPAT_SYSCALL_DEFINE4()
1869 static struct sem_undo *__lookup_undo(struct sem_undo_list *ulp, int semid)  in __lookup_undo()  argument
1875 		if (un->semid == semid)  in __lookup_undo()
1881 static struct sem_undo *lookup_undo(struct sem_undo_list *ulp, int semid)  in lookup_undo()  argument
1887 	un = __lookup_undo(ulp, semid);  in lookup_undo()
1906 static struct sem_undo *find_alloc_undo(struct ipc_namespace *ns, int semid)  in find_alloc_undo()  argument
1919 	un = lookup_undo(ulp, semid);  in find_alloc_undo()
1926 	sma = sem_obtain_object_check(ns, semid);  in find_alloc_undo()
1962 	un = lookup_undo(ulp, semid);  in find_alloc_undo()
1970 	new->semid = semid;  in find_alloc_undo()
1983 long __do_semtimedop(int semid, struct sembuf *sops,  in __do_semtimedop()  argument
1998 	if (nsops < 1 || semid < 0)  in __do_semtimedop()
2037 		un = find_alloc_undo(ns, semid);  in __do_semtimedop()
2047 	sma = sem_obtain_object_check(ns, semid);  in __do_semtimedop()
2091 	if (un && un->semid == -1)  in __do_semtimedop()
2222 static long do_semtimedop(int semid, struct sembuf __user *tsops,  in do_semtimedop()  argument
2247 	ret = __do_semtimedop(semid, sops, nsops, timeout, ns);  in do_semtimedop()
2256 long ksys_semtimedop(int semid, struct sembuf __user *tsops,  in ksys_semtimedop()  argument
2263 		return do_semtimedop(semid, tsops, nsops, &ts);  in ksys_semtimedop()
2265 	return do_semtimedop(semid, tsops, nsops, NULL);  in ksys_semtimedop()
2268 SYSCALL_DEFINE4(semtimedop, int, semid, struct sembuf __user *, tsops,  in SYSCALL_DEFINE4()  argument
2271 	return ksys_semtimedop(semid, tsops, nsops, timeout);  in SYSCALL_DEFINE4()
2275 long compat_ksys_semtimedop(int semid, struct sembuf __user *tsems,  in compat_ksys_semtimedop()  argument
2283 		return do_semtimedop(semid, tsems, nsops, &ts);  in compat_ksys_semtimedop()
2285 	return do_semtimedop(semid, tsems, nsops, NULL);  in compat_ksys_semtimedop()
2288 SYSCALL_DEFINE4(semtimedop_time32, int, semid, struct sembuf __user *, tsems,  in SYSCALL_DEFINE4()  argument
2292 	return compat_ksys_semtimedop(semid, tsems, nsops, timeout);  in SYSCALL_DEFINE4()
2296 SYSCALL_DEFINE3(semop, int, semid, struct sembuf __user *, tsops,  in SYSCALL_DEFINE3()  argument
2299 	return do_semtimedop(semid, tsops, nsops, NULL);  in SYSCALL_DEFINE3()
2350 		int semid, i;  in exit_sem()  local
2371 		semid = un->semid;  in exit_sem()
2375 		if (semid == -1) {  in exit_sem()
2380 		sma = sem_obtain_object_check(tsk->nsproxy->ipc_ns, semid);  in exit_sem()
2394 		un = __lookup_undo(ulp, semid);  in exit_sem()