[CRIU] [PATCH 0/2] Support C/R of pdeath signal

[Pavel Emelyanov]

On 06/30/2014 02:27 PM, Andrew Vagin wrote:
> On Mon, Jun 30, 2014 at 01:35:45PM +0400, Pavel Emelyanov wrote:
>> On 06/30/2014 12:17 PM, Andrew Vagin wrote:
>>> On Fri, Jun 27, 2014 at 07:25:18PM +0400, Pavel Emelyanov wrote:
>>>> This thing seem to be used by docker and lxc, so it
>>>> makes perfect sense to support it now, all the more
>>>> so kernel already has get and set calls for it.
>>>
>>> Can a death signal be restored for the root task, if I use your recent
>>> interface for restoring tasks (subreaper and exec(criu))?
>>
>> Of course, it's restored in pie/restorer.c for every single
>> task in tree including the root one.
> 
> I want to say that now a death signal is restored when the "criu
> restore" process is still alive. Then criu exits, but it's parent for
> the root task, so the root task will be killed by the death signal.

Hm... Nice catch :) Need to think about it.

Thanks,
Pavel