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authorKirill Korotaev <dev@openvz.org>2006-10-02 02:18:20 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-10-02 07:57:22 -0700
commit73ea41302bab5e02c9e86ab15c509494a550f1db (patch)
tree10971a839dd53a9e18d6c866c9be93517fe8de25 /kernel/fork.c
parent25b21cb2f6d69b0475b134e0a3e8e269137270fa (diff)
downloadlinux-73ea41302bab5e02c9e86ab15c509494a550f1db.tar.bz2
[PATCH] IPC namespace - utils
This patch adds basic IPC namespace functionality to IPC utils: - init_ipc_ns - copy/clone/unshare/free IPC ns - /proc preparations Signed-off-by: Pavel Emelianov <xemul@openvz.org> Signed-off-by: Kirill Korotaev <dev@openvz.org> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Cc: Cedric Le Goater <clg@fr.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'kernel/fork.c')
-rw-r--r--kernel/fork.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/kernel/fork.c b/kernel/fork.c
index d6cc56558507..7dc6140baac6 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -1589,6 +1589,16 @@ static int unshare_semundo(unsigned long unshare_flags, struct sem_undo_list **n
return 0;
}
+#ifndef CONFIG_IPC_NS
+static inline int unshare_ipcs(unsigned long flags, struct ipc_namespace **ns)
+{
+ if (flags & CLONE_NEWIPC)
+ return -EINVAL;
+
+ return 0;
+}
+#endif
+
/*
* unshare allows a process to 'unshare' part of the process
* context which was originally shared using clone. copy_*