GNU bug report logs - #33782
27.0.50; Emacsclient ignores errors when its frame is deleted

Previous Next

Full log

View this message in rfc822 format

From: Noam Postavsky <npostavs <at> gmail.com>
To: Lars Ingebrigtsen <larsi <at> gnus.org>
Cc: Philipp <p.stephani2 <at> gmail.com>, 33782 <at> debbugs.gnu.org
Subject: bug#33782: 27.0.50; Emacsclient ignores errors when its frame is deleted
Date: Tue, 09 Jul 2019 22:05:36 -0400

reopen 33782
tags 33782 - notabug
quit

Lars Ingebrigtsen <larsi <at> gnus.org> writes:

> Philipp <p.stephani2 <at> gmail.com> writes:
>
>> Assuming an Emacs server is running:
>>
>> $ emacsclient --create-frame --eval '(unwind-protect (error "foo") (delete-frame))' ; echo $?
>> 0
>>
>> This means that if the frame created by Emacsclient is deleted, errors
>> are ignored.  This seems like a bug; I wouldn't expect errors to be
>> ignored in this case, because they should bubble up through the
>> `unwind-protect' form.
>
> Well...  like
>
> (unwind-protect (error "foo") (message "zot"))
>
> there's no error bubbling, and there's no error to be returned, so I
> think this is correct behaviour?

No, that's incorrect, unwind-protect doesn't catch errors, it just
executes the handler forms (in this case (message "zot")) before the
error finishes bubbling.

Previous Next

GNU bug tracking system
Copyright (C) 1999 Darren O. Benham, 1997,2003 nCipher Corporation Ltd, 1994-97 Ian Jackson.