From: Michael Albinus <michael.albinus@gmx.de>
To: Qiantan Hong <qhong@mit.edu>
Cc: "emacs-devel@gnu.org" <emacs-devel@gnu.org>
Subject: Re: Question: suppress ask-user-about-lock?
Date: Wed, 08 Dec 2021 20:36:27 +0100 [thread overview]
Message-ID: <87ee6mubwk.fsf@gmx.de> (raw)
In-Reply-To: <4F0C4FAB-FAFB-4F30-8770-BDD94ACAF64A@mit.edu> (Qiantan Hong's message of "Wed, 8 Dec 2021 19:22:44 +0000")
Qiantan Hong <qhong@mit.edu> writes:
Hi,
>>> Is there a standard way to cause lock-buffer immediately fail?
>>
>> Do you mean with "fail" that lock-buffer shall do nothing?
> No, I mean it should signal ‘file-locked without asking the user
> (through ask-user-about-lock).
> I intended to use it as a mutex in Elisp program.
What about (untested)
(cl-letf (((symbol-function #'ask-user-about-lock)
(lambda (file proponent)
(signal 'file-locked (list file proponent)))))
...)
Best regards, Michael.
next prev parent reply other threads:[~2021-12-08 19:36 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-08 17:34 Question: suppress ask-user-about-lock? Qiantan Hong
2021-12-08 19:17 ` Michael Albinus
2021-12-08 19:22 ` Qiantan Hong
2021-12-08 19:36 ` Michael Albinus [this message]
2021-12-08 19:43 ` Qiantan Hong
2021-12-08 20:12 ` Michael Albinus
2021-12-08 22:03 ` Matt Armstrong
2021-12-08 22:12 ` Qiantan Hong
2021-12-08 20:03 ` Eli Zaretskii
2021-12-08 20:12 ` Qiantan Hong
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