Re: master f0ff20be51: * src/emacs.c (main): Improve accuracy of daemon warning message on PGTK.

[Stefan Monnier <monnier@iro.umontreal.ca>]

>>> Nice idea to avoid referring users to a bug report that doesn't apply to
>>> pgtk.  But is there truly "no way to fix this problem" in the pgtk case
>>> too?  Is it really that fundamental to the design of GTK3?
>>
>> Yes, 100%.  GDK just calls `_exit' on an IO error.  You cannot even run
>> an atexit handler.
>>
>> And since we don't have control over Xlib when built with PGTK, there's
>> no way to run code before GDK's own IO error handler either.
>
> Thanks.  I'd like to install the attached patch to preempt questions
> like mine; any objections?  I still have some stuff in my init.el based
> on the hope that this could be fixed; I'll probably remove it now :(

FWIW, I think "fundamental" is a bit strong here.  I don't see any
evidence that the design of the API makes it impossible.  It seems more
like a problem with the current implementation or a problem fixable with
the addition of a couple new functions/hooks in the API.


        Stefan