bug#20441: 24.5; Auto revert mode does not work

[Kaushal <kaushal.modi@gmail.com>]

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When I eval

(file-notify-add-watch
 "/tmp/foo" '(change attribute-change) 'my-notify-callback)

I see something like

38390812 (#o222346034, #x249cc1c)

in the *Messages* buffer and even the `file-notify-descriptors` hash is
updated.

But the callback fn is never executed.

On Wed, Apr 29, 2015 at 3:47 PM Kaushal <kaushal.modi@gmail.com> wrote:

> Thanks for the pointer Michael.
>
> I am puzzled. Of course filenotify does not work for me (it used to work;
> I wrote this elisp snippet that used this feature:
> http://emacs.stackexchange.com/a/2566/115).
>
> The value of `file-notify--library` is `'gfilenotify` but the feature
> doesn't work for me. Any pointers?
>
> The test code evalling did not trigger the `my-notify-callback` function
> and so no "Event .." messages in my *Messages* buffer.
>
> On Wed, Apr 29, 2015 at 3:26 PM Michael Albinus <michael.albinus@gmx.de>
> wrote:
>
>> Hi,
>>
>> first of all, it might be interesting to know whether file notifications
>> do work at all on your system. What is the value of
>> `file-notify--library'?
>> I suppose it is 'gfilenotify.
>>
>> Could you, please, perform the following forms then:
>>
>> (require 'filenotify)
>> (defun my-notify-callback (event)
>>   (message "Event %S" event))
>> (file-notify-add-watch
>>   "/tmp" '(change attribute-change) 'my-notify-callback)
>> (write-region "foo" nil "/tmp/foo")
>> (write-region "bla" nil "/tmp/foo")
>> (set-file-modes "/tmp/foo" (default-file-modes))
>>
>> Tell, whether you see related messages in the *Messages* buffer.
>>
>> Best regards, Michael.
>>
>

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