154 	int			semid;		/* semaphore set identifier */  member
1154 		un->semid = -1;  in freeary()
1232 static int semctl_stat(struct ipc_namespace *ns, int semid,  in semctl_stat()  argument
1243 		sma = sem_obtain_object(ns, semid);  in semctl_stat()
1249 		sma = sem_obtain_object_check(ns, semid);  in semctl_stat()
1306 static int semctl_info(struct ipc_namespace *ns, int semid,  in semctl_info()  argument
1341 static int semctl_setval(struct ipc_namespace *ns, int semid, int semnum,  in semctl_setval()  argument
1354 	sma = sem_obtain_object_check(ns, semid);  in semctl_setval()
1403 static int semctl_main(struct ipc_namespace *ns, int semid, int semnum,  in semctl_main()  argument
1414 	sma = sem_obtain_object_check(ns, semid);  in semctl_main()
1600 static int semctl_down(struct ipc_namespace *ns, int semid,  in semctl_down()  argument
1610 	ipcp = ipcctl_obtain_check(ns, &sem_ids(ns), semid, cmd,  in semctl_down()
1650 static long ksys_semctl(int semid, int semnum, int cmd, unsigned long arg, int version)  in ksys_semctl()  argument
1657 	if (semid < 0)  in ksys_semctl()
1665 		return semctl_info(ns, semid, cmd, p);  in ksys_semctl()
1669 		err = semctl_stat(ns, semid, cmd, &semid64);  in ksys_semctl()
1681 		return semctl_main(ns, semid, semnum, cmd, p);  in ksys_semctl()
1691 		return semctl_setval(ns, semid, semnum, val);  in ksys_semctl()
1698 		return semctl_down(ns, semid, cmd, &semid64);  in ksys_semctl()
1704 SYSCALL_DEFINE4(semctl, int, semid, int, semnum, int, cmd, unsigned long, arg)  in SYSCALL_DEFINE4()  argument
1706 	return ksys_semctl(semid, semnum, cmd, arg, IPC_64);  in SYSCALL_DEFINE4()
1710 long ksys_old_semctl(int semid, int semnum, int cmd, unsigned long arg)  in ksys_old_semctl()  argument
1714 	return ksys_semctl(semid, semnum, cmd, arg, version);  in ksys_old_semctl()
1717 SYSCALL_DEFINE4(old_semctl, int, semid, int, semnum, int, cmd, unsigned long, arg)  in SYSCALL_DEFINE4()  argument
1719 	return ksys_old_semctl(semid, semnum, cmd, arg);  in SYSCALL_DEFINE4()
1773 static long compat_ksys_semctl(int semid, int semnum, int cmd, int arg, int version)  in compat_ksys_semctl()  argument
1782 	if (semid < 0)  in compat_ksys_semctl()
1788 		return semctl_info(ns, semid, cmd, p);  in compat_ksys_semctl()
1792 		err = semctl_stat(ns, semid, cmd, &semid64);  in compat_ksys_semctl()
1804 		return semctl_main(ns, semid, semnum, cmd, p);  in compat_ksys_semctl()
1806 		return semctl_setval(ns, semid, semnum, arg);  in compat_ksys_semctl()
1812 		return semctl_down(ns, semid, cmd, &semid64);  in compat_ksys_semctl()
1818 COMPAT_SYSCALL_DEFINE4(semctl, int, semid, int, semnum, int, cmd, int, arg)  in COMPAT_SYSCALL_DEFINE4()  argument
1820 	return compat_ksys_semctl(semid, semnum, cmd, arg, IPC_64);  in COMPAT_SYSCALL_DEFINE4()
1824 long compat_ksys_old_semctl(int semid, int semnum, int cmd, int arg)  in compat_ksys_old_semctl()  argument
1828 	return compat_ksys_semctl(semid, semnum, cmd, arg, version);  in compat_ksys_old_semctl()
1831 COMPAT_SYSCALL_DEFINE4(old_semctl, int, semid, int, semnum, int, cmd, int, arg)  in COMPAT_SYSCALL_DEFINE4()  argument
1833 	return compat_ksys_old_semctl(semid, semnum, cmd, arg);  in COMPAT_SYSCALL_DEFINE4()
1868 static struct sem_undo *__lookup_undo(struct sem_undo_list *ulp, int semid)  in __lookup_undo()  argument
1874 		if (un->semid == semid)  in __lookup_undo()
1880 static struct sem_undo *lookup_undo(struct sem_undo_list *ulp, int semid)  in lookup_undo()  argument
1886 	un = __lookup_undo(ulp, semid);  in lookup_undo()
1905 static struct sem_undo *find_alloc_undo(struct ipc_namespace *ns, int semid)  in find_alloc_undo()  argument
1918 	un = lookup_undo(ulp, semid);  in find_alloc_undo()
1925 	sma = sem_obtain_object_check(ns, semid);  in find_alloc_undo()
1961 	un = lookup_undo(ulp, semid);  in find_alloc_undo()
1969 	new->semid = semid;  in find_alloc_undo()
1983 static long do_semtimedop(int semid, struct sembuf __user *tsops,  in do_semtimedop()  argument
1999 	if (nsops < 1 || semid < 0)  in do_semtimedop()
2048 		un = find_alloc_undo(ns, semid);  in do_semtimedop()
2058 	sma = sem_obtain_object_check(ns, semid);  in do_semtimedop()
2102 	if (un && un->semid == -1)  in do_semtimedop()
2237 long ksys_semtimedop(int semid, struct sembuf __user *tsops,  in ksys_semtimedop()  argument
2244 		return do_semtimedop(semid, tsops, nsops, &ts);  in ksys_semtimedop()
2246 	return do_semtimedop(semid, tsops, nsops, NULL);  in ksys_semtimedop()
2249 SYSCALL_DEFINE4(semtimedop, int, semid, struct sembuf __user *, tsops,  in SYSCALL_DEFINE4()  argument
2252 	return ksys_semtimedop(semid, tsops, nsops, timeout);  in SYSCALL_DEFINE4()
2256 long compat_ksys_semtimedop(int semid, struct sembuf __user *tsems,  in compat_ksys_semtimedop()  argument
2264 		return do_semtimedop(semid, tsems, nsops, &ts);  in compat_ksys_semtimedop()
2266 	return do_semtimedop(semid, tsems, nsops, NULL);  in compat_ksys_semtimedop()
2269 SYSCALL_DEFINE4(semtimedop_time32, int, semid, struct sembuf __user *, tsems,  in SYSCALL_DEFINE4()  argument
2273 	return compat_ksys_semtimedop(semid, tsems, nsops, timeout);  in SYSCALL_DEFINE4()
2277 SYSCALL_DEFINE3(semop, int, semid, struct sembuf __user *, tsops,  in SYSCALL_DEFINE3()  argument
2280 	return do_semtimedop(semid, tsops, nsops, NULL);  in SYSCALL_DEFINE3()
2331 		int semid, i;  in exit_sem()  local
2352 		semid = un->semid;  in exit_sem()
2356 		if (semid == -1) {  in exit_sem()
2361 		sma = sem_obtain_object_check(tsk->nsproxy->ipc_ns, semid);  in exit_sem()
2375 		un = __lookup_undo(ulp, semid);  in exit_sem()