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[PATCH] IPC namespace core

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This patch set allows to unshare IPCs and have a private set of IPC objects
(sem, shm, msg) inside namespace.  Basically, it is another building block of
containers functionality.

This patch implements core IPC namespace changes:
- ipc_namespace structure
- new config option CONFIG_IPC_NS
- adds CLONE_NEWIPC flag
- unshare support

[[email protected]: small fix for unshare of ipc namespace]
[[email protected]: build fix]
Signed-off-by: Pavel Emelianov <[email protected]>
Signed-off-by: Kirill Korotaev <[email protected]>
Signed-off-by: Cedric Le Goater <[email protected]>
Cc: "Eric W. Biederman" <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Kirill Korotaev 2006-10-02 02:18:19 -07:00 • committed by Linus Torvalds
commit 25b21cb2f6
7 changed files with 95 additions and 17 deletions
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9
init/Kconfig
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@ -115,6 +115,15 @@ config SYSVIPC
section 6.4 of the Linux Programmer's Guide, available from
<http://www.tldp.org/guides.html>.
config IPC_NS
bool "IPC Namespaces"
depends on SYSVIPC
default n
help
Support ipc namespaces. This allows containers, i.e. virtual
environments, to use ipc namespaces to provide different ipc
objects for different servers. If unsure, say N.
config POSIX_MQUEUE
bool "POSIX Message Queues"
depends on NET && EXPERIMENTAL