[CRIU] [PATCH] zdtm: pty00 -- Count for SIGHUP, v2

[Cyrill Gorcunov]

On Fri, Aug 15, 2014 at 05:10:37PM +0400, Pavel Emelyanov wrote:
> On 08/15/2014 05:08 PM, Cyrill Gorcunov wrote:
> > On Fri, Aug 15, 2014 at 05:02:14PM +0400, Cyrill Gorcunov wrote:
> >>>
> >>> You can leave sigaction where it's now and check the counter before
> >>> closing the master point.
> >>
> >> OK.
> > 
> > Attached
> > 
> > @@ -54,7 +66,14 @@ int main(int argc, char ** argv)
> >  
> >  	test_waitsig();
> >  
> > -	signal(SIGHUP, SIG_IGN);
> > +	/*
> > +	 * On closing control terminal we're expecting to
> > +	 * receive SIGHUP, so make sure it's delivered.
> > +	 */
> > +	if (sigaction(SIGHUP, &sa, 0)) {
> 
> Too late here. Unexpected HUP from CRIU may happen right after waitsig above.

You propose to queue this handled in ciru images itselves instead?