From: Zhang Haijun <ccsmile2008@outlook.com>
To: "35418@debbugs.gnu.org" <35418@debbugs.gnu.org>
Subject: bug#35418: [PATCH] Don't poll auto-revert files that use notification
Date: Tue, 30 Apr 2019 01:03:21 +0000 [thread overview]
Message-ID: <PS1PR06MB27590E96C2C37A6AD020AFA4A83A0@PS1PR06MB2759.apcprd06.prod.outlook.com> (raw)
In-Reply-To: <DC246485-905B-4DD9-8849-8D1DF23F2EC5@acm.org>
> It was a design decision, that filenotify.el implements directory watching. Since kqueue does not support this, it must be emulated, somehow.
>
It seems that it is not true for kqueue on macOS 10.13.6.
Several weeks ago, I met a problem with emacs auto-revert. Some files in a directory can’t be auto reverted. This directory was a soft link to another directory. I did some debug and found that no event would be received if you use file watching for the files in a soft link directory. And use directory watching for these files worked well. So I modified filenotify.el like this:
diff --git a/lisp/filenotify.el b/lisp/filenotify.el
index 101ddb6be0..a4a0359328 100644
--- a/lisp/filenotify.el
+++ b/lisp/filenotify.el
@@ -363,7 +363,7 @@ file-notify-add-watch
(setq desc (funcall
;; kqueue does not report file changes in directory
;; monitor. So we must watch the file itself.
- func (if (eq file-notify--library 'kqueue) file dir)
+ func (if (eq file-notify--library 'kqueue11) file dir)
l-flags 'file-notify-callback)))
;; Modify `file-notify-descriptors’.
It works well since then.
I don’t known from when the behavior of kqueue changed. There maybe need a user option to control whether to use file watching or directory watching for kqueue.
next prev parent reply other threads:[~2019-04-30 1:03 UTC|newest]
Thread overview: 101+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-04-24 18:14 bug#35418: [PATCH] Don't poll auto-revert files that use notification Mattias Engdegård
2019-04-24 18:58 ` Eli Zaretskii
2019-04-24 19:36 ` Michael Albinus
2019-04-26 20:46 ` Mattias Engdegård
2019-04-27 9:40 ` Michael Albinus
2019-04-27 16:28 ` Mattias Engdegård
2019-04-25 9:56 ` Mattias Engdegård
2019-04-25 10:04 ` Eli Zaretskii
2019-04-25 18:07 ` Mattias Engdegård
2019-04-27 9:27 ` Michael Albinus
2019-04-27 9:54 ` Eli Zaretskii
2019-04-27 10:23 ` Michael Albinus
2019-04-27 16:19 ` Mattias Engdegård
2019-04-27 16:52 ` Eli Zaretskii
2019-04-28 10:21 ` Mattias Engdegård
2019-04-29 7:53 ` Michael Albinus
2019-04-29 11:06 ` Mattias Engdegård
2019-04-29 12:18 ` Michael Albinus
2019-04-29 16:24 ` Eli Zaretskii
2019-04-29 18:29 ` Mattias Engdegård
2019-04-29 20:17 ` Michael Albinus
2019-04-30 3:57 ` Eli Zaretskii
2019-04-30 11:41 ` Mattias Engdegård
2019-04-30 12:59 ` Michael Albinus
2019-04-30 13:56 ` Mattias Engdegård
2019-04-30 14:19 ` Michael Albinus
2019-04-29 16:23 ` Eli Zaretskii
2019-04-29 19:21 ` Mattias Engdegård
2019-04-29 19:56 ` Michael Albinus
2019-04-30 21:09 ` Mattias Engdegård
2019-05-01 17:45 ` Eli Zaretskii
2019-05-01 19:41 ` Mattias Engdegård
2019-05-02 12:18 ` Michael Albinus
2019-05-02 12:53 ` Mattias Engdegård
2019-05-02 13:02 ` Michael Albinus
2019-05-03 12:00 ` Mattias Engdegård
2019-05-03 13:44 ` Eli Zaretskii
2019-05-03 14:47 ` Mattias Engdegård
2019-05-04 9:04 ` Eli Zaretskii
2019-05-04 11:21 ` Mattias Engdegård
2019-05-04 13:41 ` Eli Zaretskii
2019-05-04 16:53 ` Michael Albinus
2019-05-04 17:08 ` Eli Zaretskii
2019-05-04 18:50 ` Mattias Engdegård
2019-05-04 19:43 ` Michael Albinus
2019-05-04 20:31 ` Michael Albinus
2019-05-04 20:46 ` Mattias Engdegård
2019-05-05 8:22 ` Michael Albinus
2019-05-05 9:58 ` Mattias Engdegård
2019-05-08 8:34 ` Mattias Engdegård
2019-05-08 8:47 ` Eli Zaretskii
2019-05-08 10:18 ` Mattias Engdegård
2019-05-08 10:58 ` Eli Zaretskii
2019-05-08 11:48 ` Mattias Engdegård
2019-05-08 12:35 ` Eli Zaretskii
2019-05-08 12:58 ` Mattias Engdegård
2019-05-08 13:09 ` Michael Albinus
2019-05-08 13:28 ` Eli Zaretskii
2019-05-08 14:13 ` Mattias Engdegård
2019-05-08 17:24 ` Eli Zaretskii
2019-05-08 18:17 ` Michael Albinus
2019-05-09 11:50 ` Michael Albinus
2019-05-10 15:22 ` Mattias Engdegård
2019-05-12 8:48 ` Michael Albinus
2019-05-12 19:49 ` Mattias Engdegård
2019-05-13 13:35 ` Michael Albinus
2019-05-14 12:41 ` Mattias Engdegård
2019-05-14 14:52 ` Michael Albinus
2019-05-08 10:23 ` Mattias Engdegård
2019-05-09 10:00 ` Mattias Engdegård
2019-05-09 10:48 ` Eli Zaretskii
2019-05-09 11:15 ` Mattias Engdegård
2019-05-10 9:49 ` Michael Albinus
2019-05-10 12:27 ` Mattias Engdegård
2019-05-10 12:43 ` Michael Albinus
2019-05-13 11:34 ` Mattias Engdegård
2019-05-13 15:08 ` Michael Albinus
2019-05-18 17:39 ` Mattias Engdegård
2019-05-19 9:12 ` Michael Albinus
2019-05-19 20:25 ` Mattias Engdegård
2019-05-20 7:30 ` Michael Albinus
2019-05-20 19:19 ` Mattias Engdegård
2019-04-29 7:19 ` Michael Albinus
2019-04-29 11:54 ` Mattias Engdegård
2019-04-29 12:26 ` Michael Albinus
2019-04-29 18:58 ` Mattias Engdegård
2019-04-29 20:04 ` Michael Albinus
2019-04-30 15:14 ` Eli Zaretskii
2019-04-24 19:59 ` Michael Albinus
2019-04-25 9:58 ` Mattias Engdegård
2019-04-25 11:04 ` Michael Albinus
2019-04-25 15:22 ` Mattias Engdegård
2019-04-30 1:03 ` Zhang Haijun [this message]
2019-04-30 7:06 ` Michael Albinus
2019-05-01 2:17 ` Zhang Haijun
2019-05-01 2:59 ` Zhang Haijun
2019-05-01 3:10 ` Zhang Haijun
2019-05-02 12:30 ` Michael Albinus
2019-05-02 13:24 ` Zhang Haijun
2019-05-02 12:28 ` Michael Albinus
2019-05-02 12:24 ` Michael Albinus
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