[CRIU] Towards an in-process libcriu

[Tycho Andersen]

Hi Ruslan,

On Wed, Jul 16, 2014 at 10:42:57PM +0300, Ruslan Kuprieiev wrote:
> Hi Tycho,
> 
> On 16.07.2014 22:22, Tycho Andersen wrote:
> >Hi Ruslan,
> >
> >On Wed, Jul 16, 2014 at 10:16:01PM +0300, Ruslan Kuprieiev wrote:
> >>So, that lib would do smth like fork+exec criu? And criu process
> >>would be in the
> >>tree that you want to dump, right?
> >The way I was thinking of libcriu is just as a set of c functions:
> >
> >void dump(pid_t, ...);
> >bool restore(char *image_dir, ...);
> >
> >that you could call and criu would do what it normally does (although
> >probably this implies --restore-detached, among other things), so
> >there wouldn't be any forking to start the criu daemon.
> 
> So, basically, you want to make the whole criu to be a lib?

Yes, that's what I'm after.

> And the process, that would use this lib, would be in the same tree
> you are trying
> to dump? The problem is criu wouldn't be able to separate it's own
> resources from
> those it is trying to dump.

No, it is a separate process tree, for which I know the pid, but is
unrelated to the process that I'd be calling dump() from.

Tycho