[CRIU] Questions about CRIU.

[Christopher Covington]

On 07/08/2014 12:08 PM, Christopher Covington wrote:
> On 07/07/2014 11:29 AM, Fabio Giangrande wrote:
>> Hello. I have some questions about the project CRIU for you. I searched in the
>> archive of mails of CRIU and on the site http://www.criu.org, but I haven't
>> found answer for these requests, so I wonder if you could kindly clarify me about.
>>
>> 1. When we restore processes, we have to give to every process the same pid
>> that has previously. If we restore the process hierarchy from init(1), a
>> namespace is created automatically for avoid duplicate pids. Instead, when we
>> don't restore the process hierarchy from init, how can we avoid problems with
>> duplicate pids?
> 
> I use the following procedure to avoid such PID collisions.
> 
> unshare -fp -- criu restore
> 
> I posted a small patch to make this work for CRIU a while back but it needed
> to be rebased. I hope to revisit it soon.

My patch isn't needed any longer. The scenario is correctly handled by the
code at the tip of the repository.

Christopher

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