Lines Matching defs:shm_ids
95 #define shm_ids(ns) ((ns)->ids[IPC_SHM_IDS])
115 ipc_init_ids(&shm_ids(ns));
119 * Called with shm_ids.rwsem (writer) and the shp structure locked.
120 * Only shm_ids.rwsem remains locked on exit.
132 ipc_set_key_private(&shm_ids(ns), &shp->shm_perm);
141 free_ipcs(ns, &shm_ids(ns), do_shm_rmid);
168 struct kern_ipc_perm *ipcp = ipc_obtain_object_idr(&shm_ids(ns), id);
178 struct kern_ipc_perm *ipcp = ipc_obtain_object_check(&shm_ids(ns), id);
195 ipcp = ipc_obtain_object_idr(&shm_ids(ns), id);
274 ipc_rmid(&shm_ids(s->ns), &s->shm_perm);
319 * It has to be called with shp and shm_ids.rwsem (writer) locked,
372 down_write(&shm_ids(ns).rwsem);
391 up_write(&shm_ids(ns).rwsem);
394 /* Called with ns->shm_ids(ns).rwsem locked */
419 down_write(&shm_ids(ns).rwsem);
420 if (shm_ids(ns).in_use)
421 idr_for_each(&shm_ids(ns).ipcs_idr, &shm_try_destroy_orphaned, ns);
422 up_write(&shm_ids(ns).rwsem);
494 down_write(&shm_ids(ns).rwsem);
516 up_write(&shm_ids(ns).rwsem);
690 * Called with shm_ids.rwsem held as a writer.
771 error = ipc_addid(&shm_ids(ns), &shp->shm_perm, ns->shm_ctlmni);
808 * Called with shm_ids.rwsem and ipcp locked.
837 return ipcget(ns, &shm_ids(ns), &shm_ops, &shm_params);
925 * Called with shm_ids.rwsem held as a reader
953 * Called with shm_ids.rwsem held as a reader
964 in_use = shm_ids(ns).in_use;
970 ipc = idr_find(&shm_ids(ns).ipcs_idr, next_id);
993 down_write(&shm_ids(ns).rwsem);
996 ipcp = ipcctl_obtain_check(ns, &shm_ids(ns), shmid, cmd,
1032 up_write(&shm_ids(ns).rwsem);
1046 down_read(&shm_ids(ns).rwsem);
1047 err = ipc_get_maxidx(&shm_ids(ns));
1048 up_read(&shm_ids(ns).rwsem);
1061 down_read(&shm_ids(ns).rwsem);
1062 shm_info->used_ids = shm_ids(ns).in_use;
1067 err = ipc_get_maxidx(&shm_ids(ns));
1068 up_read(&shm_ids(ns).rwsem);
1669 down_write(&shm_ids(ns).rwsem);
1677 up_write(&shm_ids(ns).rwsem);