bug#51820: 29.0.50; process_pending_signals is almost useless without SIGIO

[Ken Brown]

On 11/13/2021 9:26 PM, Lars Ingebrigtsen wrote:
> Ken Brown <kbrown@cornell.edu> writes:
>
> > It's hard to know whether it's been a problem.  Maybe emacs would be
> > more responsive to C-g on Cygwin if we removed the #ifdef from
> > handle_async_input. My preference would be to try that (on master of
> > course) and see if anything breaks.
>
> Also see bug#50043 -- there's other stuff that also doesn't work very
> well without SIGIO.

Thanks, I'll take a look.

Ken