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Re: unwind-protect and inhibit-quit

From: Stefan Monnier
Subject: Re: unwind-protect and inhibit-quit
Date: Fri, 16 Jul 2021 17:37:51 -0400
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux)

>>>  (let ((inhibit-quit t))
>>>    (setq process
>>>       (let ((inhibit-quit nil))
>>>          (ftp-setup-buffer host file))))
>> No.  The problem is not in the `setq` itself but in the fact that
>> a non-local exit from `ftp-setup-buffer` (e.g. because of `C-g`) will
>> cause `ftp-setup-buffer` not to return the process.
> But at which point is the ‘quit-flag’ actually handled?

Doesn't matter.  The problem can occur without any quit.  If an error is
signaled after creation of the process but before `ftp-setup-buffer`
terminates, the same problem will occur.


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