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From: Eli Zaretskii <eliz@gnu.org>
To: Andreas Politz <politza@hochschule-trier.de>
Cc: 26126@debbugs.gnu.org, michael.albinus@gmx.de
Subject: bug#26126: 26.0.50; file-notify-rm-watch removes arbitrary watches
Date: Sat, 25 Mar 2017 09:35:53 +0300	[thread overview]
Message-ID: <83zig9c186.fsf@gnu.org> (raw)
In-Reply-To: <877f3el80j.fsf@luca> (message from Andreas Politz on Fri, 24 Mar 2017 21:44:28 +0100)

> From: Andreas Politz <politza@hochschule-trier.de>
> Date: Fri, 24 Mar 2017 21:44:28 +0100
> Cc: 26126@debbugs.gnu.org
> 
> I also thought about the test-cases and more generally about how to
> develop a specification for this library, i.e. how do we want this to
> behave.  Do we have the desire that it works uniformly across all
> participating back-ends ?

In general, yes.

> And is that even possible ?

Almost.  Some corner cases (like what happens when the watched
directory is deleted) behave differently.

> One way to go about this would be to write a series of definitive
> unit-tests which specify the intended behavior. Then, allow them to fail
> for a specific back-end, until someone has fixed potential bugs for it
> and confirmed that the test succeeds.

That's how these tests were developed.  What you see is the result; if
you have specific comments about some known failures, please spell
them out.

> Anyway, I was bored today, so I took a look at what events these
> libraries actually produce, the result of which you may also find below.

Thanks, but I have difficulty reading it.  Could you please provide a
short legend?

> Finally, I'm tempted to suggest to get rid of the flags argument of
> file-notify-add-watch.  As it is, things are already complicated enough
> and we don't seem to have many people working on this.  I think we could
> make it backward-compatible to a certain degree.  Note also, that many
> file operations trigger both kinds of events anyway.

The flags are there for the operations where the differences matter.





  reply	other threads:[~2017-03-25  6:35 UTC|newest]

Thread overview: 63+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-03-16 14:14 bug#26126: 26.0.50; file-notify-rm-watch removes arbitrary watches Andreas Politz
2017-03-17 14:41 ` Michael Albinus
2017-03-17 14:59   ` Andreas Politz
2017-03-17 16:08     ` Michael Albinus
2017-03-17 17:45       ` Andreas Politz
2017-03-18  8:30         ` Michael Albinus
2017-03-18 13:32           ` Andreas Politz
2017-03-18 19:36             ` Michael Albinus
2017-03-18 20:37               ` Andreas Politz
2017-03-19  9:39                 ` Michael Albinus
2017-03-19 11:14                   ` Andreas Politz
2017-03-19 19:23                     ` Michael Albinus
2017-03-20 20:39                       ` Andreas Politz
2017-03-21  8:44                         ` Michael Albinus
2017-03-21 15:37                           ` Eli Zaretskii
2017-03-21 18:59                             ` Andreas Politz
2017-03-22 13:23                             ` Michael Albinus
2017-03-22 15:44                               ` Eli Zaretskii
2017-03-22 16:01                                 ` Michael Albinus
2017-03-22 16:13                                   ` Eli Zaretskii
2017-03-22 16:23                                     ` Michael Albinus
2017-03-24 19:54                                 ` Andreas Politz
2017-03-25 12:50                                   ` Michael Albinus
2017-03-25 13:59                                     ` Andreas Politz
2017-03-25 14:08                                       ` Michael Albinus
2017-03-25 16:27                                         ` Andreas Politz
2017-03-25 16:37                                           ` Michael Albinus
2017-03-25 17:12                                             ` Andreas Politz
2017-03-25 18:36                                               ` Michael Albinus
2017-03-25 19:34                                                 ` Andreas Politz
2017-03-26  7:08                                                   ` Michael Albinus
2017-03-21 15:56                           ` Andreas Politz
2017-03-22 12:56                             ` Michael Albinus
2017-03-22 17:34                               ` Andreas Politz
2017-03-22 18:49                                 ` Michael Albinus
2017-03-19 22:05               ` Andreas Politz
2017-03-21 13:05                 ` Michael Albinus
2017-03-21 15:06                   ` Andreas Politz
2017-03-21 15:54                     ` Eli Zaretskii
2017-03-22 13:17                     ` Michael Albinus
2017-03-22 17:43                       ` Andreas Politz
2017-03-22 18:57                         ` Michael Albinus
2017-03-22 20:02                           ` Eli Zaretskii
2017-03-23  7:36                             ` Michael Albinus
2017-03-23 15:22                               ` Eli Zaretskii
2017-03-23 16:10                                 ` Michael Albinus
2017-03-22 19:40                   ` Michael Albinus
2017-03-24 20:44                 ` Andreas Politz
2017-03-25  6:35                   ` Eli Zaretskii [this message]
2017-03-25  8:57                     ` Andreas Politz
2017-03-25 14:17                       ` Eli Zaretskii
2017-03-25 16:34                         ` Andreas Politz
2017-03-25 14:04                   ` Michael Albinus
2017-03-25 16:19                     ` Andreas Politz
2017-03-25 17:09                       ` Michael Albinus
2017-03-25 17:26                         ` Andreas Politz
2017-03-25 18:18                         ` Andreas Politz
2017-03-25 18:40                           ` Michael Albinus
2017-03-25 16:21                     ` Andreas Politz
2017-03-18 19:28           ` Andreas Politz
2017-03-18 19:49             ` Michael Albinus
2017-03-18 20:48               ` Andreas Politz
2017-03-30 18:15 ` Paul Eggert

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