bug#56967: 29.0.50; Frequent crashes under Wayland

[Gregory Heytings]

> 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.

escape-exit.tgz
Description: application/gtar-compressed