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From: | Ken Brown |
Subject: | bug#25875: 26.0.50; Hang logging out of MS-Windows |
Date: | Mon, 27 Feb 2017 14:39:17 -0500 |
User-agent: | Mozilla/5.0 (Windows NT 10.0; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.7.1 |
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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