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bug#25172: 26.0.50; Concurrency feature, sit-for doesn't work (crashing

From: Elias Mårtenson
Subject: bug#25172: 26.0.50; Concurrency feature, sit-for doesn't work (crashing and unexpected behaviour)
Date: Thu, 15 Dec 2016 11:30:54 +0800

On 15 December 2016 at 00:12, Elias Mårtenson <address@hidden> wrote:
On 15 December 2016 at 00:03, Eli Zaretskii <address@hidden> wrote:
Thanks.  Does the patch below help in any way with these crashes?

If not, it sounds like I'm out of my depth here.  The crashes you show
are deep in the bowels of Glib called by GTK; reading the (annoyingly
minimal) documentation of those APIs, I sense the danger of some basic
issue with calling these APIs from several threads.  If what the GTK
documentation tells everything there is to it, then the patch below
should fix these problems.  But if not, then I guess we will need help
from a GTK expert.

After applying that patch, it hasn't crashed yet. So either it fixes the problem, or it's simply buch harder to reproduce. So far so good. Thanks a lot!

I want to note that the thing that seems to fix it is the application of the most recent suggestion. In other words, if I roll back the application of the previous suggestion (removing the calls to clock_input()/unblock_input()) it still seems to be stable.


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