bug#19776: 25.0.50; HTML rendering is very slow

[Stefan Monnier]

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?


        Stefan