154 	int			semid;		/* semaphore set identifier */  member
1137 		un->semid = -1;  in freeary()
1215 static int semctl_stat(struct ipc_namespace *ns, int semid,  in semctl_stat()  argument
1226 		sma = sem_obtain_object(ns, semid);  in semctl_stat()
1232 		sma = sem_obtain_object_check(ns, semid);  in semctl_stat()
1289 static int semctl_info(struct ipc_namespace *ns, int semid,  in semctl_info()  argument
1324 static int semctl_setval(struct ipc_namespace *ns, int semid, int semnum,  in semctl_setval()  argument
1337 	sma = sem_obtain_object_check(ns, semid);  in semctl_setval()
1386 static int semctl_main(struct ipc_namespace *ns, int semid, int semnum,  in semctl_main()  argument
1397 	sma = sem_obtain_object_check(ns, semid);  in semctl_main()
1583 static int semctl_down(struct ipc_namespace *ns, int semid,  in semctl_down()  argument
1593 	ipcp = ipcctl_obtain_check(ns, &sem_ids(ns), semid, cmd,  in semctl_down()
1633 static long ksys_semctl(int semid, int semnum, int cmd, unsigned long arg, int version)  in ksys_semctl()  argument
1640 	if (semid < 0)  in ksys_semctl()
1648 		return semctl_info(ns, semid, cmd, p);  in ksys_semctl()
1652 		err = semctl_stat(ns, semid, cmd, &semid64);  in ksys_semctl()
1664 		return semctl_main(ns, semid, semnum, cmd, p);  in ksys_semctl()
1674 		return semctl_setval(ns, semid, semnum, val);  in ksys_semctl()
1681 		return semctl_down(ns, semid, cmd, &semid64);  in ksys_semctl()
1687 SYSCALL_DEFINE4(semctl, int, semid, int, semnum, int, cmd, unsigned long, arg)  in SYSCALL_DEFINE4()  argument
1689 	return ksys_semctl(semid, semnum, cmd, arg, IPC_64);  in SYSCALL_DEFINE4()
1693 long ksys_old_semctl(int semid, int semnum, int cmd, unsigned long arg)  in ksys_old_semctl()  argument
1697 	return ksys_semctl(semid, semnum, cmd, arg, version);  in ksys_old_semctl()
1700 SYSCALL_DEFINE4(old_semctl, int, semid, int, semnum, int, cmd, unsigned long, arg)  in SYSCALL_DEFINE4()  argument
1702 	return ksys_old_semctl(semid, semnum, cmd, arg);  in SYSCALL_DEFINE4()
1756 static long compat_ksys_semctl(int semid, int semnum, int cmd, int arg, int version)  in compat_ksys_semctl()  argument
1765 	if (semid < 0)  in compat_ksys_semctl()
1771 		return semctl_info(ns, semid, cmd, p);  in compat_ksys_semctl()
1775 		err = semctl_stat(ns, semid, cmd, &semid64);  in compat_ksys_semctl()
1787 		return semctl_main(ns, semid, semnum, cmd, p);  in compat_ksys_semctl()
1789 		return semctl_setval(ns, semid, semnum, arg);  in compat_ksys_semctl()
1795 		return semctl_down(ns, semid, cmd, &semid64);  in compat_ksys_semctl()
1801 COMPAT_SYSCALL_DEFINE4(semctl, int, semid, int, semnum, int, cmd, int, arg)  in COMPAT_SYSCALL_DEFINE4()  argument
1803 	return compat_ksys_semctl(semid, semnum, cmd, arg, IPC_64);  in COMPAT_SYSCALL_DEFINE4()
1807 long compat_ksys_old_semctl(int semid, int semnum, int cmd, int arg)  in compat_ksys_old_semctl()  argument
1811 	return compat_ksys_semctl(semid, semnum, cmd, arg, version);  in compat_ksys_old_semctl()
1814 COMPAT_SYSCALL_DEFINE4(old_semctl, int, semid, int, semnum, int, cmd, int, arg)  in COMPAT_SYSCALL_DEFINE4()  argument
1816 	return compat_ksys_old_semctl(semid, semnum, cmd, arg);  in COMPAT_SYSCALL_DEFINE4()
1851 static struct sem_undo *__lookup_undo(struct sem_undo_list *ulp, int semid)  in __lookup_undo()  argument
1857 		if (un->semid == semid)  in __lookup_undo()
1863 static struct sem_undo *lookup_undo(struct sem_undo_list *ulp, int semid)  in lookup_undo()  argument
1869 	un = __lookup_undo(ulp, semid);  in lookup_undo()
1888 static struct sem_undo *find_alloc_undo(struct ipc_namespace *ns, int semid)  in find_alloc_undo()  argument
1901 	un = lookup_undo(ulp, semid);  in find_alloc_undo()
1908 	sma = sem_obtain_object_check(ns, semid);  in find_alloc_undo()
1944 	un = lookup_undo(ulp, semid);  in find_alloc_undo()
1952 	new->semid = semid;  in find_alloc_undo()
1966 static long do_semtimedop(int semid, struct sembuf __user *tsops,  in do_semtimedop()  argument
1982 	if (nsops < 1 || semid < 0)  in do_semtimedop()
2031 		un = find_alloc_undo(ns, semid);  in do_semtimedop()
2041 	sma = sem_obtain_object_check(ns, semid);  in do_semtimedop()
2085 	if (un && un->semid == -1)  in do_semtimedop()
2219 long ksys_semtimedop(int semid, struct sembuf __user *tsops,  in ksys_semtimedop()  argument
2226 		return do_semtimedop(semid, tsops, nsops, &ts);  in ksys_semtimedop()
2228 	return do_semtimedop(semid, tsops, nsops, NULL);  in ksys_semtimedop()
2231 SYSCALL_DEFINE4(semtimedop, int, semid, struct sembuf __user *, tsops,  in SYSCALL_DEFINE4()  argument
2234 	return ksys_semtimedop(semid, tsops, nsops, timeout);  in SYSCALL_DEFINE4()
2238 long compat_ksys_semtimedop(int semid, struct sembuf __user *tsems,  in compat_ksys_semtimedop()  argument
2246 		return do_semtimedop(semid, tsems, nsops, &ts);  in compat_ksys_semtimedop()
2248 	return do_semtimedop(semid, tsems, nsops, NULL);  in compat_ksys_semtimedop()
2251 SYSCALL_DEFINE4(semtimedop_time32, int, semid, struct sembuf __user *, tsems,  in SYSCALL_DEFINE4()  argument
2255 	return compat_ksys_semtimedop(semid, tsems, nsops, timeout);  in SYSCALL_DEFINE4()
2259 SYSCALL_DEFINE3(semop, int, semid, struct sembuf __user *, tsops,  in SYSCALL_DEFINE3()  argument
2262 	return do_semtimedop(semid, tsops, nsops, NULL);  in SYSCALL_DEFINE3()
2313 		int semid, i;  in exit_sem()  local
2334 		semid = un->semid;  in exit_sem()
2338 		if (semid == -1) {  in exit_sem()
2343 		sma = sem_obtain_object_check(tsk->nsproxy->ipc_ns, semid);  in exit_sem()
2357 		un = __lookup_undo(ulp, semid);  in exit_sem()