From: Claudio Jeker <cjeker@diehard.n-r-g.com>
Subject: Re: changes to signal handling with respect to ksh ?
To: "Todd C. Miller" <millert@openbsd.org>
Cc: Walter Alejandro Iglesias <wai@roquesor.com>, Theo Buehler <tb@theobuehler.org>, Marc Espie <marc.espie.openbsd@gmail.com>, ports@openbsd.org
Date: Fri, 9 Aug 2024 20:57:59 +0200

On Fri, Aug 09, 2024 at 09:30:29AM -0600, Todd C. Miller wrote:
> On Fri, 09 Aug 2024 10:20:33 +0200, Claudio Jeker wrote:
> 
> > No. It could be but it may as well be something else.
> > Is it enough to play a movie in mpv and ^Z the thing to see the problem?
> 
> I think the signal handler gets called multiple times (one for each
> thread?) so multiple PIPE_STOP commands are sent down the pipe.
> When you resume, it reads the next one and suspends again.

This is probably the case since SIGTSTP is sent to every thread. This is
the brokenness I have a fix for in the pipeline. We do certainly something
wrong here.

Maybe I manage to get all my signal handling and ptrace bits in before the
next release. We will see....

-- 
:wq Claudio