GNU bug report logs - #8938
make timeout and CTRL-C

Previous Next

Full log

Message #35 received at 8938 <at> debbugs.gnu.org (full text, mbox):

From: "Alan Curry" <pacman-cu <at> kosh.dhis.org>
To: P <at> draigBrady.com (Pádraig Brady)
Cc: 8938 <at> debbugs.gnu.org
Subject: Re: bug#8938: make timeout and CTRL-C
Date: Tue, 28 Jun 2011 14:10:47 -0500 (GMT+5)

=?ISO-8859-1?Q?P=E1draig_Brady?= writes:
> 
> I'm still not convinced we need to be messing with tcsetpgrp()
> but you're right in that the disconnect between the timeout
> process group and that of whatever starts `timeout` should be bridged.
> 
> I'm testing the attached patch at the moment (which I'll split into 2).
> It only creates a separate group for the child that `timeout` execs,
> leaving the timeout process in the original group to propagate signals down.
> 
> I'll need to do lots of testing with this before I commit.

With this patch the child is guaranteed to not be in the foreground (as far
as the tty knows) so it will be getting SIGTTIN and possibly SIGTTOU on tty
operations.

I don't think there's anything that will make every scenario happy. (Except
for a recursive-kill that doesn't use pgrps!).

-- 
Alan Curry

Previous Next

GNU bug tracking system
Copyright (C) 1999 Darren O. Benham, 1997,2003 nCipher Corporation Ltd, 1994-97 Ian Jackson.