bug#45898: 27.1; wedged in redisplay again

[Po Lu]

Lars Ingebrigtsen <larsi@gnus.org> writes:

>> One problem with this is that we already have the "emergency exit"
>> feature, which is triggered by 2 or more C-g's.  This only works
>> reliably on TTY frames, but it's still a feature we don't want to
>> lose.
>
> I think that could be made to fit into the general feature, really.  The
> "emergency exit" feature currently queries "Abort (and dump core)?" if I
> remember correctly?  We could extend that to "Abort, enter
> so-long-mode (or whatever)...?" etc.

"Emergency exit" only works on TTY frames (in fact, only if Emacs is
running on a single text terminal), and relies on operating system
support for suspending and resuming the process.  Nothing comparable
exists on X, and I'm not sure how starting `so-long-mode' would work
either.