2 * linux/ipc/namespace.c
3 * Copyright (C) 2006 Pavel Emelyanov <xemul@openvz.org> OpenVZ, SWsoft Inc.
8 #include <linux/ipc_namespace.h>
9 #include <linux/rcupdate.h>
10 #include <linux/nsproxy.h>
11 #include <linux/slab.h>
15 static struct ipc_namespace *clone_ipc_ns(struct ipc_namespace *old_ns)
18 struct ipc_namespace *ns;
21 ns = kmalloc(sizeof(struct ipc_namespace), GFP_KERNEL);
25 err = sem_init_ns(ns);
28 err = msg_init_ns(ns);
31 err = shm_init_ns(ns);
48 struct ipc_namespace *copy_ipcs(unsigned long flags, struct ipc_namespace *ns)
50 struct ipc_namespace *new_ns;
55 if (!(flags & CLONE_NEWIPC))
58 new_ns = clone_ipc_ns(ns);
64 void free_ipc_ns(struct kref *kref)
66 struct ipc_namespace *ns;
68 ns = container_of(kref, struct ipc_namespace, kref);