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

[Jim Porter]

On 6/24/2022 10:34 PM, Eli Zaretskii wrote:
> > Cc: larsi@gnus.org, 56025@debbugs.gnu.org
> > From: Jim Porter <jporterbugs@gmail.com>
> > Date: Fri, 24 Jun 2022 16:03:13 -0700
> >
> > POSIX standard says[1] (thanks to Eliot Moss on the Cygwin mailing list
> > for citing this passage):
> >
> >     When [EOF is] received, all the bytes waiting to be read are
> >     immediately passed to the process without waiting for a <newline>, and
> >     the EOF is discarded. Thus, if there are no bytes waiting (that is,
> >     the EOF occurred at the beginning of a line), a byte count of zero
> >     shall be returned from the read(), representing an end-of-file
> >     indication.
>
> Perhaps some reference to this should also be in the comments.

How about this patch? I added a reference to the specific section of the 
POSIX specification so that it's (hopefully) easy for people to look up 
if they need further details.

0001-When-closing-an-Eshell-process-target-send-EOF-three.patch
Description: Text document