bug#31214: hang in Faccept_process_output

[Eli Zaretskii]

> From: Glenn Morris <rgm@gnu.org>
> Cc: 31214@debbugs.gnu.org
> Date: Thu, 19 Apr 2018 15:48:33 -0400
> 
> Eli Zaretskii wrote:
> 
> > Then maybe we should pass a non-nil timeout to accept-process-output,
> > and/or a non-nil last argument.
> >
> > IOW, I'm not sure the bug is not in the test itself.
> 
> Is it not a standard usage (start a process, and while it's live, accept
> output from it)?

When there are many processes lying around, I wouldn't trust the
defaults to produce the desired effect.  Those arguments are there for
a reason, are they not?

> (Could the process by exiting part-way through accept-process-output?)

Which process?