[asterisk-dev] [Code Review] Remove potential deadlock in call pickup race.

Alec Davis reviewboard at asterisk.org
Wed Jun 8 19:27:24 CDT 2011


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I can see the potential deadlock and it works for me.

Sort of unrelated: have we missed do_magic_pickup, particularly it's missing ast_can_pickup.

- Alec


On 2011-05-26 18:31:19, rmudgett wrote:
> 
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> This is an automatically generated e-mail. To reply, visit:
> https://reviewboard.asterisk.org/r/1234/
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> (Updated 2011-05-26 18:31:19)
> 
> 
> Review request for Asterisk Developers, Alec Davis and irroot.
> 
> 
> Summary
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> 
> Fix potential deadlock in ast_do_pickup() with channels chan and target lock and channel container lock.
> 
> This should eliminate the deadlock avoidance code in https://reviewboard.asterisk.org/r/1118/ for issue 18830.
> 
> * Moved can_pickup() to ast_can_pickup() in features.c.
> 
> 
> This addresses bugs 18654 and 18830.
>     https://issues.asterisk.org/jira/browse/18654
>     https://issues.asterisk.org/jira/browse/18830
> 
> 
> Diffs
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> 
>   /branches/1.8/include/asterisk/features.h 321209 
>   /branches/1.8/main/features.c 321209 
>   /branches/1.8/apps/app_directed_pickup.c 321209 
> 
> Diff: https://reviewboard.asterisk.org/r/1234/diff
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> 
> Testing
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> Tested a simple call pickup to make sure that it at least still works.
> Needs competing call pickup testing.
> 
> 
> Thanks,
> 
> rmudgett
> 
>

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