[asterisk-dev] [Code Review] Read on idle timerfd will result in deadlocks

[kobaz]

> On 2011-06-08 18:38:03, Alec Davis wrote:
> > Not sure that it 'fixes' https://issues.asterisk.org/jira/browse/ASTERISK-16711
Agreed, it may prevent a potential deadlock, but I never saw any of the 4 new debug messages like "Reading attempt on idle timerfd"

I was, as always using the looped localchan dialplan from the 'Description' of JIRA 16711

I definitely saw the warnings in my testing.  Specifically the "Reading attempt on idle timerfd. This would have caused a deadlock."


- kobaz


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On 2011-06-03 16:11:22, kobaz wrote:
> 
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> 
> (Updated 2011-06-03 16:11:22)
> 
> 
> Review request for Asterisk Developers and russelb.
> 
> 
> Summary
> -------
> 
> Fix for issue https://issues.asterisk.org/view.php?id=18028
> And several others.
> 
> 
> Diffs
> -----
> 
>   branches/1.8/res/res_timing_timerfd.c 320171 
> 
> Diff: https://reviewboard.asterisk.org/r/1255/diff
> 
> 
> Testing
> -------
> 
> Make enough calls to trigger a read on an idle timer
> 
> Wait for message:
> Reading attempt on idle timerfd. This would have caused a deadlock.
> 
> Deadlock avoided.
> 
> 
> Thanks,
> 
> kobaz
> 
>

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