bug#15801: 24.3.50; bar scrolling freezes gtk emacs

[Eli Zaretskii]

> Date: Sat, 30 Nov 2013 19:11:40 +0100
> From: Jarek Czekalski <jarekczek@poczta.onet.pl>
> CC: Jan Djärv <jan.h.d@swipnet.se>, 
>  15801@debbugs.gnu.org
> 
> 
> W dniu 2013-11-30 14:55, Eli Zaretskii pisze:
> >>
> >>>> Cc:ing Eli.  The obvious fix would be to request_sigio before exit.  Is 
> >>>> there any side effects to this?
> >>> If you call request_sigio only if interrupts_deferred is non-zero, I
> >>> see no adverse side effects.
> 
> Well, the old code does not bother checking interrupts_deferred. Is this 
> important?

Look at what request_sigio does.