bug#56967: 29.0.50; Frequent crashes under Wayland

[Eli Zaretskii]

> Date: Fri, 05 Aug 2022 11:40:36 +0000
> From: Gregory Heytings <gregory@heytings.org>
> cc: Po Lu <luangruo@yahoo.com>, 56967@debbugs.gnu.org, bjorn.bidar@thaodan.de
> 
> > Does _exit in glibc provide any hooks that we could use?  Emacs cannot 
> > be the first application that doesn't want misbehaving libraries to 
> > forcibly exit it.
> 
> It's possible (albeit tricky) to escape an _exit() call by using 
> LD_PRELOAD, see attached example.  Whether this is usable for Emacs, I 
> don't know.

Interesting.  I'll defer to Linux experts to tell whether this is
something we could/should use.

Thanks.