GNU bug report logs - #13662
24.3.50; inotify-add-watch fails in batch mode

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Message #10 received at 13662-done <at> debbugs.gnu.org (full text, mbox):

From: Michael Albinus <michael.albinus <at> gmx.de>
To: Chong Yidong <cyd <at> gnu.org>
Cc: 13662-done <at> debbugs.gnu.org
Subject: Re: bug#13662: 24.3.50; inotify-add-watch fails in batch mode
Date: Fri, 17 Jan 2014 12:56:51 +0100

Chong Yidong <cyd <at> gnu.org> writes:

> Another way to see this is to create a file with the contents
>
> (let* ((temp-file (make-temp-file "inotify-simple"))
>        (events 0)
>        (wd
> 	(inotify-add-watch temp-file t (lambda (ev)
> 					 (setq events (1+ events))))))
>   (unwind-protect
>       (progn
> 	(with-temp-file temp-file
> 	  (insert "Foo\n"))
> 	(sit-for 5)
> 	(message ">> %d <<" events))
>     (inotify-rm-watch wd)))
>
> and run `emacs -batch -l foo.el'.  This prints ">> 0 <<", indicating
> that the inotify watcher failed to run.  If you repeat omitting -batch,
> ">> 4 <<" is printed, as expected.

Should be fixed with r116052. Instead of `sit-for', one needs to apply
`read-event'.

Best regards, Michael.

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