GNU bug report logs - #25875
26.0.50; Hang logging out of MS-Windows

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Message #80 received at 25875 <at> debbugs.gnu.org (full text, mbox):

From: Ken Brown <kbrown <at> cornell.edu>
To: Richard Copley <rcopley <at> gmail.com>, Eli Zaretskii <eliz <at> gnu.org>
Cc: 25875 <at> debbugs.gnu.org
Subject: Re: bug#25875: 26.0.50; Hang logging out of MS-Windows
Date: Mon, 27 Feb 2017 14:39:17 -0500

On 2/27/2017 2:30 PM, Richard Copley wrote:
> If you want to block or delay a shutdown in recent
> Windows versions you need to use
> ShutdownBlockReasonCreate (it's unfortunate, but
> we lazy programmers proved we couldn't be trusted,
> collectively, to handle WM_QUERY_ENDSESSION
> correctly, so the arms race had to be escalated in
> order to allow users to shut down their computers
> reliably).

In spite of the careless mistake in my patch, you could still test Eli's 
suggestion of using SendMessageTimeout instead of SendMessage, at least 
in my_show_window.

> Ken, what was the original change intended to guard
> against? What would people be doing with Emacs that
> can't simply be abandoned? Did you have a particular
> example in mind?

Bug#23483.

Ken

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