GNU bug report logs - #16479
24.3.50; daemon freeze with tty menus

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Message #17 received at 16479 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: mvoteiza <at> udel.edu, Stefan Monnier <monnier <at> iro.umontreal.ca>
Cc: 16479 <at> debbugs.gnu.org
Subject: Re: bug#16479: 24.3.50; daemon freeze with tty menus
Date: Fri, 17 Jan 2014 13:59:46 +0200

> Date: Fri, 17 Jan 2014 13:10:43 +0200
> From: Eli Zaretskii <eliz <at> gnu.org>
> Cc: 16479 <at> debbugs.gnu.org
> 
> > With menu-bar-mode (and thus the new tty menus) enabled, if I do the
> > steps I outlined above, I expect to be able to return to the previous
> > client and finish input.  This is not the case: if I go back to the
> > first client with the menu, and try an arrow key or C-{npbf}, emacs
> > crashes.  I think this is a bug.
> 
> A crash is always a bug.
> 
> I understand that you are talking about the situation where the menu
> is already open on one client, and then you start another client.
> 
> If so, this seems to have something to do with the fact that starting
> a client writes something to the terminal (to query the terminal about
> its features).

I tried to fix this in trunk revision 116053.  It is still not ideal
(but what _is_ the ideal in this case?): the open menu pops down, and
you need to type C-g in the client where the menu was open to get out,
but at least the daemon doesn't segfault.

Stefan, can you suggest a better solution?

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