diff options
author | russell <russell@f38db490-d61c-443f-a65b-d21fe96a405b> | 2007-10-18 18:06:49 +0000 |
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committer | russell <russell@f38db490-d61c-443f-a65b-d21fe96a405b> | 2007-10-18 18:06:49 +0000 |
commit | 0d0cc03264712da7aa22d55a6492e6340ce52c71 (patch) | |
tree | f54b8087dd53faf052a33b4e7ef34725c135af67 /main/channel.c | |
parent | add1dcc65f7ce2502b9815a4d0ad9556ba2d4124 (diff) |
Merged revisions 86330 via svnmerge from
https://origsvn.digium.com/svn/asterisk/branches/1.4
........
r86330 | russell | 2007-10-18 13:03:10 -0500 (Thu, 18 Oct 2007) | 10 lines
The channel needs to stay locked while running timer callbacks, as they access
and modify channel data that may change elsewhere. I went through every timer
callback in the source tree to make sure that none of them did any additional
locking that could introduce deadlocks, and all is well.
(closes issue #10765)
Reported by: Ivan
Patches:
ast_1_4_11_svn_patch_channel_rc.diff uploaded by Ivan (license 229)
........
git-svn-id: http://svn.digium.com/svn/asterisk/trunk@86331 f38db490-d61c-443f-a65b-d21fe96a405b
Diffstat (limited to 'main/channel.c')
-rw-r--r-- | main/channel.c | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/main/channel.c b/main/channel.c index 9e209714c..063fc8100 100644 --- a/main/channel.c +++ b/main/channel.c @@ -2210,17 +2210,13 @@ static struct ast_frame *__ast_read(struct ast_channel *chan, int dropaudio) } else if (blah == ZT_EVENT_TIMER_EXPIRED) { ioctl(chan->timingfd, ZT_TIMERACK, &blah); if (chan->timingfunc) { - /* save a copy of func/data before unlocking the channel */ - int (*func)(const void *) = chan->timingfunc; - void *data = chan->timingdata; - ast_channel_unlock(chan); - func(data); + chan->timingfunc(chan->timingdata); } else { blah = 0; ioctl(chan->timingfd, ZT_TIMERCONFIG, &blah); chan->timingdata = NULL; - ast_channel_unlock(chan); } + ast_channel_unlock(chan); /* cannot 'goto done' because the channel is already unlocked */ return &ast_null_frame; } else |