GNU bug report logs - #24091
24.5; High CPU usage at startup while hidden

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From: Noam Postavsky <npostavs <at> users.sourceforge.net>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: acairncross <at> gmail.com, clement.pit <at> gmail.com, 24091 <at> debbugs.gnu.org
Subject: bug#24091: 24.5; High CPU usage at startup while hidden
Date: Sat, 30 Jul 2016 09:54:55 -0400

On Fri, Jul 29, 2016 at 1:46 AM, Eli Zaretskii <eliz <at> gnu.org> wrote:
>> From: npostavs <at> users.sourceforge.net
>> Date: Thu, 28 Jul 2016 21:45:55 -0400
>> Cc: clement.pit <at> gmail.com, 24091 <at> debbugs.gnu.org
>>
>> I guess we would like Emacs to hit this case:
>>
>>         /* If on another desktop, the deiconify/map may be ignored and the
>>            frame never becomes visible.  XMonad does this.
>>            Prevent an endless loop.  */
>>         if (FRAME_ICONIFIED_P (f) &&  ++tries > 100)
>>           break;
>>
>> But it seems that FRAME_ICONIFIED_P is returning false, because I see
>> that tries is never incremented.
>
> The question is: what happens if you bypass that loop and let Emacs
> proceed with startup?  Does it successfully finish the startup, or
> does it error out or crash later on?

Works fine, no crashes.

>
> If the former, we need to find a way to detect this special situation,
> and maybe bypass the loop altogether.

Hmm, not really sure where to start.

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