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- Fix 100% CPU usage looping when a vnode change event came but it was never

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untriggered. Patch by Rui Lopes

PR:		ports/103525
Submitted by:	Robin Breathe <robin@isometry.net> (maintainer)
This commit is contained in:
Pav Lucistnik 2006-09-24 12:31:29 +00:00
parent 4a43e6024f
commit 86aec86281
Notes: svn2git 2021-03-31 03:12:20 +00:00 
svn path=/head/; revision=173703
4 changed files with 30 additions and 0 deletions
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1
mail/dovecot-devel/Makefile
View file

@ -8,6 +8,7 @@
PORTNAME= dovecot
DISTVERSION= 1.0.rc7
PORTREVISION= 1
CATEGORIES= mail ipv6
MASTER_SITES= http://www.dovecot.org/releases/

14
mail/dovecot-devel/files/patch-src_lib_ioloop-notify-kqueue.c Normal file
View file

@ -0,0 +1,14 @@
--- src/lib/ioloop-notify-kqueue.c 16 Aug 2006 17:58:03 -0000 1.3.2.2
+++ src/lib/ioloop-notify-kqueue.c 26 Aug 2006 13:55:01 -0000 1.3.2.3
@@ -111,7 +111,10 @@
io->callback = callback;
io->context = context;
- EV_SET(&ev, fd, EVFILT_VNODE, EV_ADD,
+ /* EV_CLEAR flag is needed because the EVFILT_VNODE filter reports
+ event state transitions and not the current state. With this flag,
+ the same event is only returned once. */
+ EV_SET(&ev, fd, EVFILT_VNODE, EV_ADD | EV_CLEAR,
NOTE_DELETE | NOTE_WRITE | NOTE_EXTEND | NOTE_REVOKE, 0, io);
if (kevent(ctx->kq, &ev, 1, NULL, 0, NULL) < 0) {
i_error("kevent(%d, %s) for notify failed: %m", fd, path);

1
mail/dovecot/Makefile
View file

@ -8,6 +8,7 @@
PORTNAME= dovecot
DISTVERSION= 1.0.rc7
PORTREVISION= 1
CATEGORIES= mail ipv6
MASTER_SITES= http://www.dovecot.org/releases/

14
mail/dovecot/files/patch-src_lib_ioloop-notify-kqueue.c Normal file
View file

@ -0,0 +1,14 @@
--- src/lib/ioloop-notify-kqueue.c 16 Aug 2006 17:58:03 -0000 1.3.2.2
+++ src/lib/ioloop-notify-kqueue.c 26 Aug 2006 13:55:01 -0000 1.3.2.3
@@ -111,7 +111,10 @@
io->callback = callback;
io->context = context;
- EV_SET(&ev, fd, EVFILT_VNODE, EV_ADD,
+ /* EV_CLEAR flag is needed because the EVFILT_VNODE filter reports
+ event state transitions and not the current state. With this flag,
+ the same event is only returned once. */
+ EV_SET(&ev, fd, EVFILT_VNODE, EV_ADD | EV_CLEAR,
NOTE_DELETE | NOTE_WRITE | NOTE_EXTEND | NOTE_REVOKE, 0, io);
if (kevent(ctx->kq, &ev, 1, NULL, 0, NULL) < 0) {
i_error("kevent(%d, %s) for notify failed: %m", fd, path);