GNU bug report logs - #66186
"make lisp/eshell/esh-proc-tests" fails intermittently since 7e50861ca7ed3f620fe62ac6572f6e88b3600ece

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From: Jim Porter <jporterbugs <at> gmail.com>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: jschmidt4gnu <at> vodafonemail.de, 66186 <at> debbugs.gnu.org
Subject: bug#66186: "make lisp/eshell/esh-proc-tests" fails intermittently since 7e50861ca7ed3f620fe62ac6572f6e88b3600ece
Date: Sun, 24 Sep 2023 22:34:55 -0700

[Message part 1 (text/plain, inline)]

On 9/24/2023 9:52 PM, Eli Zaretskii wrote:
>> Date: Sun, 24 Sep 2023 16:02:03 -0700
>> From: Jim Porter <jporterbugs <at> gmail.com>
>>
>> However, I don't understand why this would cause an abort though;
>> normally, 'process-send-string' should just signal an Elisp error (which
>> Eshell then catches and does the right thing with it). Maybe there's a
>> bug somewhere in process.c where it's not correctly handling the (real)
>> SIGPIPE signal and converting it to an Elisp signal?
> 
> In batch mode, SIGPIPE is not ignored by Emacs, see init_signals.
> This was changed 11 years ago, see commit 4d7e6e51dd.

Thanks, I didn't realize that.

> Perhaps Eshell should check that the process is still alive before
> calling process-send-string?

Ok, how about this? Jens, could you try this patch out to see if it 
fixes things for you?

[0001-Check-for-process-liveness-before-calling-process-se.patch (text/plain, attachment)]

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