128 	int			semid;		/* semaphore set identifier */  member
145 #define sem_checkid(sma, semid)	ipc_checkid(&sma->sem_perm, semid)  argument
1100 		un->semid = -1;  in freeary()
1178 static int semctl_nolock(struct ipc_namespace *ns, int semid,  in semctl_nolock()  argument
1228 			sma = sem_obtain_object(ns, semid);  in semctl_nolock()
1235 			sma = sem_obtain_object_check(ns, semid);  in semctl_nolock()
1267 static int semctl_setval(struct ipc_namespace *ns, int semid, int semnum,  in semctl_setval()  argument
1290 	sma = sem_obtain_object_check(ns, semid);  in semctl_setval()
1338 static int semctl_main(struct ipc_namespace *ns, int semid, int semnum,  in semctl_main()  argument
1351 	sma = sem_obtain_object_check(ns, semid);  in semctl_main()
1531 static int semctl_down(struct ipc_namespace *ns, int semid,  in semctl_down()  argument
1547 	ipcp = ipcctl_pre_down_nolock(ns, &sem_ids(ns), semid, cmd,  in semctl_down()
1587 SYSCALL_DEFINE4(semctl, int, semid, int, semnum, int, cmd, unsigned long, arg)  in SYSCALL_DEFINE4()  argument
1593 	if (semid < 0)  in SYSCALL_DEFINE4()
1604 		return semctl_nolock(ns, semid, cmd, version, p);  in SYSCALL_DEFINE4()
1611 		return semctl_main(ns, semid, semnum, cmd, p);  in SYSCALL_DEFINE4()
1613 		return semctl_setval(ns, semid, semnum, arg);  in SYSCALL_DEFINE4()
1616 		return semctl_down(ns, semid, cmd, version, p);  in SYSCALL_DEFINE4()
1652 static struct sem_undo *__lookup_undo(struct sem_undo_list *ulp, int semid)  in __lookup_undo()  argument
1657 		if (un->semid == semid)  in __lookup_undo()
1663 static struct sem_undo *lookup_undo(struct sem_undo_list *ulp, int semid)  in lookup_undo()  argument
1669 	un = __lookup_undo(ulp, semid);  in lookup_undo()
1688 static struct sem_undo *find_alloc_undo(struct ipc_namespace *ns, int semid)  in find_alloc_undo()  argument
1701 	un = lookup_undo(ulp, semid);  in find_alloc_undo()
1708 	sma = sem_obtain_object_check(ns, semid);  in find_alloc_undo()
1744 	un = lookup_undo(ulp, semid);  in find_alloc_undo()
1752 	new->semid = semid;  in find_alloc_undo()
1792 SYSCALL_DEFINE4(semtimedop, int, semid, struct sembuf __user *, tsops,  in SYSCALL_DEFINE4()  argument
1808 	if (nsops < 1 || semid < 0)  in SYSCALL_DEFINE4()
1848 		un = find_alloc_undo(ns, semid);  in SYSCALL_DEFINE4()
1858 	sma = sem_obtain_object_check(ns, semid);  in SYSCALL_DEFINE4()
1896 	if (un && un->semid == -1)  in SYSCALL_DEFINE4()
1979 	sma = sem_obtain_lock(ns, semid, sops, nsops, &locknum);  in SYSCALL_DEFINE4()
2027 SYSCALL_DEFINE3(semop, int, semid, struct sembuf __user *, tsops,  in SYSCALL_DEFINE3()  argument
2030 	return sys_semtimedop(semid, tsops, nsops, NULL);  in SYSCALL_DEFINE3()
2082 		int semid, i;  in exit_sem()  local
2099 		semid = un->semid;  in exit_sem()
2103 		if (semid == -1) {  in exit_sem()
2108 		sma = sem_obtain_object_check(tsk->nsproxy->ipc_ns, semid);  in exit_sem()
2122 		un = __lookup_undo(ulp, semid);  in exit_sem()