bug#19776: 25.0.50; HTML rendering is very slow

[Andreas Schwab]

On Okt 25 2021, Stefan Monnier wrote:

> Lars Ingebrigtsen [2021-10-25 15:11:03] wrote:
>> Andreas Schwab <schwab@linux-m68k.org> writes:
>>>> When Emacs is busy looping, we never get a callback -- presumably
>>>> because we're not reading any file descriptors in that case?  But...
>>>> was the idea that this would work in a busy Emacs?  I mean, events from
>>>> the keyboard/mouse are able to poke Emacs in a way that it realises that
>>>> it has a pending event to handle, but not the timerfd?
>>>
>>> maybe_quit does call process_pending_signals, so this should work the
>>> same way as quit.
>>
>> But how do we make Emacs respond to timerfd events the same as quit?
>
> Can't it give a SIGIO?

atimer already knows to handle SIGALRM for this.

Andreas.

-- 
Andreas Schwab, schwab@linux-m68k.org
GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510  2552 DF73 E780 A9DA AEC1
"And now for something completely different."