Re: C-g crash redux

[storm@cua.dk (Kim F. Storm)]

Nick Roberts <nickrob@snap.net.nz> writes:

>  > The previous code suggestion I gave was not well thought out.  The
>  > correct way to implement this is as follows.  I've checked that with
>  > this change, the addition of wait_reading_process_output_unwind does
>  > not cause a crash when C-g is done during sit-for.
>  > 
>  > Do you think this is the right approach?

Clever!  Yes.  


>  >... 
>
> It looks good to my inexperienced eye, but Emacs seems to go for a long time
> before hitting Fsignal.  I wonder if Fsignal resets other things that might not
> add up in the interim period but I don't know what the rules are for placing
> the QUIT macro or whether one could be placed closer to read_char.

I don't follow this argument.  

Since the purpose of setting waiting_for_input is for emacs to produce
C-g, it depends on the key binding whether Fsignal is ever called.

-- 
Kim F. Storm <storm@cua.dk> http://www.cua.dk