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

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From: Ken Brown <kbrown <at> cornell.edu>
To: Sean Whitton <spwhitton <at> email.arizona.edu>, 56025 <at> debbugs.gnu.org
Subject: bug#56025: 29.0.50; em-extpipe-test-2 times out on EMBA and Cygwin
Date: Thu, 16 Jun 2022 18:01:07 -0400

On 6/16/2022 3:30 PM, Sean Whitton wrote:
> Hello Ken,
> 
> On Thu 16 Jun 2022 at 02:30pm -04, Ken Brown wrote:
> 
>> In commit 231a1ba3, Lars disabled the extpipe tests on EMBA "because they
>> apparently time out".  The EMBA log he cited in the commit message shows that
>> only em-extpipe-test-2 times out.  And this same test (but no others) also times
>> out on Cygwin:
> 
> That test invokes `sh -c "rev >temp"` as its only subprocess, so that's
> probably what is timing out.  Is there something different about
> Cygwin's sh?  Something about EOFs?

I'm not aware of anything different.  Here's what happens when I run the test 
interactively:

$ time echo \"bar\" | sh -c "rev >temp"

real    0m0.100s
user    0m0.030s
sys     0m0.030s

$ cat temp
"rab"

And keep in mind that the test also times out on EMBA.

Ken

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