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Re: [PATCH 1/1] containers: implement nsproxy containers subsystem [message #13794 is a reply to message #13791]

Tue, 05 June 2007 13:04

Pavel Emelianov
Messages: 1149
Registered: September 2006

Senior Member

Serge E. Hallyn wrote:
> Quoting Pavel Emelianov (xemul@openvz.org):
>> Serge E. Hallyn wrote:
>>> >From 190ea72d213393dd1440643b2b87b5b2128dff87 Mon Sep 17 00:00:00 2001
>>> From: Serge E. Hallyn <serue@us.ibm.com>
>>> Date: Mon, 4 Jun 2007 14:18:52 -0400
>>> Subject: [PATCH 1/1] containers: implement nsproxy containers subsystem
>>>
>>> When a task enters a new namespace via a clone() or unshare(), a new
>>> container is created and the task moves into it. This enables
>> I have a design question.
>>
>> How the child that has a new namespace guesses what id
>> this namespace has in containers?
>
> parse /proc/$$/container

Ok.

> So more likely the parent would have to grab the cloned pid of the
> child, parse /proc/$$/container, then rename the container.

Child can happen to die before this and we'll have an orphaned
container. I mean, it will be deletable, but its name will be unknown.

Maybe its better to get the containers id from the pid of new task?

> -serge
> -
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[Message index]

		[PATCH 1/1] containers: implement nsproxy containers subsystem By: serue on Mon, 04 June 2007 18:50
		Re: [PATCH 1/1] containers: implement nsproxy containers subsystem By: Pavel Emelianov on Tue, 05 June 2007 09:57
		Re: [PATCH 1/1] containers: implement nsproxy containers subsystem By: serue on Tue, 05 June 2007 12:13
		Re: [PATCH 1/1] containers: implement nsproxy containers subsystem By: Pavel Emelianov on Tue, 05 June 2007 13:04
		Re: [PATCH 1/1] containers: implement nsproxy containers subsystem By: serue on Tue, 05 June 2007 13:16
		Re: [PATCH 1/1] containers: implement nsproxy containers subsystem By: serue on Wed, 06 June 2007 01:27
		Re: [PATCH 1/1] containers: implement nsproxy containers subsystem By: serue on Mon, 04 June 2007 19:05

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