154 	int			semid;		/* semaphore set identifier */  member
1141 		un->semid = -1;  in freeary()
1219 static int semctl_stat(struct ipc_namespace *ns, int semid,  in semctl_stat()  argument
1230 		sma = sem_obtain_object(ns, semid);  in semctl_stat()
1236 		sma = sem_obtain_object_check(ns, semid);  in semctl_stat()
1293 static int semctl_info(struct ipc_namespace *ns, int semid,  in semctl_info()  argument
1328 static int semctl_setval(struct ipc_namespace *ns, int semid, int semnum,  in semctl_setval()  argument
1341 	sma = sem_obtain_object_check(ns, semid);  in semctl_setval()
1390 static int semctl_main(struct ipc_namespace *ns, int semid, int semnum,  in semctl_main()  argument
1401 	sma = sem_obtain_object_check(ns, semid);  in semctl_main()
1587 static int semctl_down(struct ipc_namespace *ns, int semid,  in semctl_down()  argument
1597 	ipcp = ipcctl_obtain_check(ns, &sem_ids(ns), semid, cmd,  in semctl_down()
1637 long ksys_semctl(int semid, int semnum, int cmd, unsigned long arg)  in ksys_semctl()  argument
1645 	if (semid < 0)  in ksys_semctl()
1654 		return semctl_info(ns, semid, cmd, p);  in ksys_semctl()
1658 		err = semctl_stat(ns, semid, cmd, &semid64);  in ksys_semctl()
1670 		return semctl_main(ns, semid, semnum, cmd, p);  in ksys_semctl()
1680 		return semctl_setval(ns, semid, semnum, val);  in ksys_semctl()
1686 		return semctl_down(ns, semid, cmd, &semid64);  in ksys_semctl()
1692 SYSCALL_DEFINE4(semctl, int, semid, int, semnum, int, cmd, unsigned long, arg)  in SYSCALL_DEFINE4()  argument
1694 	return ksys_semctl(semid, semnum, cmd, arg);  in SYSCALL_DEFINE4()
1747 long compat_ksys_semctl(int semid, int semnum, int cmd, int arg)  in compat_ksys_semctl()  argument
1757 	if (semid < 0)  in compat_ksys_semctl()
1763 		return semctl_info(ns, semid, cmd, p);  in compat_ksys_semctl()
1767 		err = semctl_stat(ns, semid, cmd, &semid64);  in compat_ksys_semctl()
1779 		return semctl_main(ns, semid, semnum, cmd, p);  in compat_ksys_semctl()
1781 		return semctl_setval(ns, semid, semnum, arg);  in compat_ksys_semctl()
1787 		return semctl_down(ns, semid, cmd, &semid64);  in compat_ksys_semctl()
1793 COMPAT_SYSCALL_DEFINE4(semctl, int, semid, int, semnum, int, cmd, int, arg)  in COMPAT_SYSCALL_DEFINE4()  argument
1795 	return compat_ksys_semctl(semid, semnum, cmd, arg);  in COMPAT_SYSCALL_DEFINE4()
1829 static struct sem_undo *__lookup_undo(struct sem_undo_list *ulp, int semid)  in __lookup_undo()  argument
1834 		if (un->semid == semid)  in __lookup_undo()
1840 static struct sem_undo *lookup_undo(struct sem_undo_list *ulp, int semid)  in lookup_undo()  argument
1846 	un = __lookup_undo(ulp, semid);  in lookup_undo()
1865 static struct sem_undo *find_alloc_undo(struct ipc_namespace *ns, int semid)  in find_alloc_undo()  argument
1878 	un = lookup_undo(ulp, semid);  in find_alloc_undo()
1885 	sma = sem_obtain_object_check(ns, semid);  in find_alloc_undo()
1921 	un = lookup_undo(ulp, semid);  in find_alloc_undo()
1929 	new->semid = semid;  in find_alloc_undo()
1943 static long do_semtimedop(int semid, struct sembuf __user *tsops,  in do_semtimedop()  argument
1959 	if (nsops < 1 || semid < 0)  in do_semtimedop()
2008 		un = find_alloc_undo(ns, semid);  in do_semtimedop()
2018 	sma = sem_obtain_object_check(ns, semid);  in do_semtimedop()
2062 	if (un && un->semid == -1)  in do_semtimedop()
2196 long ksys_semtimedop(int semid, struct sembuf __user *tsops,  in ksys_semtimedop()  argument
2203 		return do_semtimedop(semid, tsops, nsops, &ts);  in ksys_semtimedop()
2205 	return do_semtimedop(semid, tsops, nsops, NULL);  in ksys_semtimedop()
2208 SYSCALL_DEFINE4(semtimedop, int, semid, struct sembuf __user *, tsops,  in SYSCALL_DEFINE4()  argument
2211 	return ksys_semtimedop(semid, tsops, nsops, timeout);  in SYSCALL_DEFINE4()
2215 long compat_ksys_semtimedop(int semid, struct sembuf __user *tsems,  in compat_ksys_semtimedop()  argument
2223 		return do_semtimedop(semid, tsems, nsops, &ts);  in compat_ksys_semtimedop()
2225 	return do_semtimedop(semid, tsems, nsops, NULL);  in compat_ksys_semtimedop()
2228 COMPAT_SYSCALL_DEFINE4(semtimedop, int, semid, struct sembuf __user *, tsems,  in COMPAT_SYSCALL_DEFINE4()  argument
2232 	return compat_ksys_semtimedop(semid, tsems, nsops, timeout);  in COMPAT_SYSCALL_DEFINE4()
2236 SYSCALL_DEFINE3(semop, int, semid, struct sembuf __user *, tsops,  in SYSCALL_DEFINE3()  argument
2239 	return do_semtimedop(semid, tsops, nsops, NULL);  in SYSCALL_DEFINE3()
2290 		int semid, i;  in exit_sem()  local
2311 		semid = un->semid;  in exit_sem()
2315 		if (semid == -1) {  in exit_sem()
2320 		sma = sem_obtain_object_check(tsk->nsproxy->ipc_ns, semid);  in exit_sem()
2334 		un = __lookup_undo(ulp, semid);  in exit_sem()