[asterisk-dev] [Code Review] Asterisk 1.8 Deadlock in app_queue
irroot
reviewboard at asterisk.org
Wed Sep 14 06:08:42 CDT 2011
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This is an automatically generated e-mail. To reply, visit:
https://reviewboard.asterisk.org/r/1402/
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(Updated Sept. 14, 2011, 6:08 a.m.)
Review request for Asterisk Developers and Matthew Nicholson.
Changes
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Ok this should be about it i have added the queues lock back in the reload function where the queues container is held while the config is reloaded. this is a saner approach.
the ao2_callback functions used now have the NOLOCK flag to do it taking this into account.
Removed some red blocks left by the crayola kiddies.
Summary
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Locking order with queues container.
1)the queues container is locked when calling channels this causes a deadlock and is unneeded.
2)lock the queues container when running queue_update to maintain correct locking order.
This addresses bug ASTERISK-18101.
https://issues.asterisk.org/jira/browse/ASTERISK-18101
Diffs (updated)
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/branches/1.8/apps/app_queue.c 335786
Diff: https://reviewboard.asterisk.org/r/1402/diff
Testing
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Thanks,
irroot
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