bug#56025: 29.0.50; em-extpipe-test-2 times out on EMBA and Cygwin

[Jim Porter]

On 6/17/2022 7:07 PM, Ken Brown wrote:
> On 6/17/2022 8:57 PM, Sean Whitton wrote:
> > Could you see if the same thing happens if you type
> >
> >      echo "bar" | sh -c "rev >temp"
> >
> > into an interactive session, please?
> >
> > If it's the same then extpipe has uncovered a general Eshell bug.
>
> Yes, it's the same.  And it's even the same if I remove the quotation 
> marks around "rev >temp".

Does the above command also fail on Emacs 28? I changed some aspects of 
process management for Eshell in Emacs 29, so it's possible this is a 
regression. If it works correctly under Emacs 28, I'd be very interested 
to see the results of bisecting to find the breaking commit.