GNU bug report logs - #75056
31.0.50; tty-child-frames with server / multiple clients possible hangs

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From: Gerd Möllmann <gerd.moellmann <at> gmail.com>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: rudalics <at> gmx.at, lenbok <at> gmail.com, 75056 <at> debbugs.gnu.org
Subject: bug#75056: 31.0.50; tty-child-frames with server / multiple clients possible hangs
Date: Sun, 26 Jan 2025 09:55:48 +0100

Eli Zaretskii <eliz <at> gnu.org> writes:

>> (Where "top" in that case is not a z-order thing, but all root frames on
>> a tty are just part of the frame lists in parallel to each other, like
>> before child frames. AFAIR, something in tty_display_info
>> says who owns the terminal.)
>
> So it is still true that a frame other than the top frame returns t
> from frame-visible-p, right?  Here's the recipe:
>
>   emacs -Q -nw
>   C-x 5 b RET
>   M-: (frame-visible-p (next-frame)) RET
>    => t
>
> This is different from GUI frames, in that z-order is not considered
> on TTYs.

That looks like a bug to me. I think it should return nil. (Although I'm
never 100% sure with the frame code.) Opinions?

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