For example, when I run find or grep in a directory with plenty of files, the output of the subprocess may continue for 1 minute, while I can’t stop it.
在 2020年3月26日 +0800 PM10:38，Eli Zaretskii <eliz@gnu.org>，写道：
> > Date: Thu, 26 Mar 2020 21:43:31 +0800
> > From: HaiJun Zhang <netjune@outlook.com>
> > Cc: monnier@iro.umontreal.ca, rpluim@gmail.com, emacs-devel@gnu.org
> >
> > If too many data arrives, emacs may be unresponsive.
> >
> > Unresponsive due to what processing? Are you saying that just
> > _receiving_ the data takes most of the time? I think what takes most
> > of the time is the processing by the filter function, in which case
> > making the filter function process just the few first characters will
> > do.
> >
> > Yes. I want to block the sender for some time. It is like to limit the bandwidth to 500KB/s or 10 packets/s.
>
> I don't see how this will help anything, sorry.