C/R without "leaks" (was: Re: Creating tasks on restart: userspace vs kernel)

[Alexey Dobriyan]

On Thu, Apr 16, 2009 at 12:42:17AM +0200, Greg Kurz wrote:
> On Wed, 2009-04-15 at 23:56 +0400, Alexey Dobriyan wrote:

> > There are sockets and live netns as the most complex example. I'm not
> > prepared to describe it exactly, but people wishing to do C/R with
> > "leaks" should be very careful with their wishes.
> 
> They should close their sockets before checkpoint and find/have some way
> to reconnect after. This implies some kind of C/R awareness in the code
> to be checkpointed.

How do you imagine sshd closing sockets and reconnecting?