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

[Jim Porter]

On 9/24/2023 9:52 PM, Eli Zaretskii wrote:
> > Date: Sun, 24 Sep 2023 16:02:03 -0700
> > From: Jim Porter <jporterbugs@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
Description: Text document