Lines Matching refs:semid
154 int semid; /* semaphore set identifier */
270 " key semid perms nsems uid gid cuid cgid otime ctime\n",
1154 un->semid = -1;
1232 static int semctl_stat(struct ipc_namespace *ns, int semid,
1243 sma = sem_obtain_object(ns, semid);
1249 sma = sem_obtain_object_check(ns, semid);
1306 static int semctl_info(struct ipc_namespace *ns, int semid,
1341 static int semctl_setval(struct ipc_namespace *ns, int semid, int semnum,
1354 sma = sem_obtain_object_check(ns, semid);
1403 static int semctl_main(struct ipc_namespace *ns, int semid, int semnum,
1414 sma = sem_obtain_object_check(ns, semid);
1600 static int semctl_down(struct ipc_namespace *ns, int semid,
1610 ipcp = ipcctl_obtain_check(ns, &sem_ids(ns), semid, cmd,
1650 static long ksys_semctl(int semid, int semnum, int cmd, unsigned long arg, int version)
1657 if (semid < 0)
1665 return semctl_info(ns, semid, cmd, p);
1669 err = semctl_stat(ns, semid, cmd, &semid64);
1681 return semctl_main(ns, semid, semnum, cmd, p);
1691 return semctl_setval(ns, semid, semnum, val);
1698 return semctl_down(ns, semid, cmd, &semid64);
1704 SYSCALL_DEFINE4(semctl, int, semid, int, semnum, int, cmd, unsigned long, arg)
1706 return ksys_semctl(semid, semnum, cmd, arg, IPC_64);
1710 long ksys_old_semctl(int semid, int semnum, int cmd, unsigned long arg)
1714 return ksys_semctl(semid, semnum, cmd, arg, version);
1717 SYSCALL_DEFINE4(old_semctl, int, semid, int, semnum, int, cmd, unsigned long, arg)
1719 return ksys_old_semctl(semid, semnum, cmd, arg);
1773 static long compat_ksys_semctl(int semid, int semnum, int cmd, int arg, int version)
1782 if (semid < 0)
1788 return semctl_info(ns, semid, cmd, p);
1792 err = semctl_stat(ns, semid, cmd, &semid64);
1804 return semctl_main(ns, semid, semnum, cmd, p);
1806 return semctl_setval(ns, semid, semnum, arg);
1812 return semctl_down(ns, semid, cmd, &semid64);
1818 COMPAT_SYSCALL_DEFINE4(semctl, int, semid, int, semnum, int, cmd, int, arg)
1820 return compat_ksys_semctl(semid, semnum, cmd, arg, IPC_64);
1824 long compat_ksys_old_semctl(int semid, int semnum, int cmd, int arg)
1828 return compat_ksys_semctl(semid, semnum, cmd, arg, version);
1831 COMPAT_SYSCALL_DEFINE4(old_semctl, int, semid, int, semnum, int, cmd, int, arg)
1833 return compat_ksys_old_semctl(semid, semnum, cmd, arg);
1868 static struct sem_undo *__lookup_undo(struct sem_undo_list *ulp, int semid)
1874 if (un->semid == semid)
1880 static struct sem_undo *lookup_undo(struct sem_undo_list *ulp, int semid)
1886 un = __lookup_undo(ulp, semid);
1897 * @semid: semaphore array id
1905 static struct sem_undo *find_alloc_undo(struct ipc_namespace *ns, int semid)
1918 un = lookup_undo(ulp, semid);
1925 sma = sem_obtain_object_check(ns, semid);
1961 un = lookup_undo(ulp, semid);
1969 new->semid = semid;
1983 static long do_semtimedop(int semid, struct sembuf __user *tsops,
1999 if (nsops < 1 || semid < 0)
2048 un = find_alloc_undo(ns, semid);
2058 sma = sem_obtain_object_check(ns, semid);
2096 * semid identifiers are not unique - find_alloc_undo may have
2099 * This case can be detected checking un->semid. The existence of
2102 if (un && un->semid == -1)
2237 long ksys_semtimedop(int semid, struct sembuf __user *tsops,
2244 return do_semtimedop(semid, tsops, nsops, &ts);
2246 return do_semtimedop(semid, tsops, nsops, NULL);
2249 SYSCALL_DEFINE4(semtimedop, int, semid, struct sembuf __user *, tsops,
2252 return ksys_semtimedop(semid, tsops, nsops, timeout);
2256 long compat_ksys_semtimedop(int semid, struct sembuf __user *tsems,
2264 return do_semtimedop(semid, tsems, nsops, &ts);
2266 return do_semtimedop(semid, tsems, nsops, NULL);
2269 SYSCALL_DEFINE4(semtimedop_time32, int, semid, struct sembuf __user *, tsems,
2273 return compat_ksys_semtimedop(semid, tsems, nsops, timeout);
2277 SYSCALL_DEFINE3(semop, int, semid, struct sembuf __user *, tsops,
2280 return do_semtimedop(semid, tsops, nsops, NULL);
2331 int semid, i;
2352 semid = un->semid;
2356 if (semid == -1) {
2361 sma = sem_obtain_object_check(tsk->nsproxy->ipc_ns, semid);
2375 un = __lookup_undo(ulp, semid);
2378 * exactly the same semid. Nothing to do.