GNU bug report logs - #28630
27.0.50; C-g while a non-main thread is sitting crashes Emacs

Previous Next

Full log

Message #32 received at 28630 <at> debbugs.gnu.org (full text, mbox):

From: YAMAMOTO Mitsuharu <mituharu <at> math.s.chiba-u.ac.jp>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 28630 <at> debbugs.gnu.org, tom <at> tromey.com, Alex <agrambot <at> gmail.com>
Subject: Re: bug#28630: 27.0.50;
 C-g while a non-main thread is sitting crashes Emacs
Date: Mon, 02 Oct 2017 21:43:52 +0900

>>>>> On Mon, 02 Oct 2017 13:30:44 +0900, YAMAMOTO Mitsuharu <mituharu <at> math.s.chiba-u.ac.jp> said:

> The secondary thread seems to be still blocking in a pselect call
> when crash occurs.  Maybe SIGIO (and SIGALRM) should be unmasked in
> the secondary thread that calls pselect for keyboard input, and the
> main thread should forward the delivery of these signals to the
> secondary (or mask them) so that the pselect call in the secondary
> thread can be interrupted.

Sorry.  The stacks seem to be already clobbered by (bad) longjmp.  So
the above analysis would be bogus.

				     YAMAMOTO Mitsuharu
				mituharu <at> math.s.chiba-u.ac.jp

Previous Next

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