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Posted to dev@qpid.apache.org by "Ken Giusti (Jira)" <ji...@apache.org> on 2021/08/25 19:06:00 UTC
[jira] [Resolved] (DISPATCH-2238) Avoid holding the core action
lock when waking the core thread
[ https://issues.apache.org/jira/browse/DISPATCH-2238?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ken Giusti resolved DISPATCH-2238.
----------------------------------
Resolution: Fixed
> Avoid holding the core action lock when waking the core thread
> --------------------------------------------------------------
>
> Key: DISPATCH-2238
> URL: https://issues.apache.org/jira/browse/DISPATCH-2238
> Project: Qpid Dispatch
> Issue Type: Improvement
> Components: Router Node
> Affects Versions: 1.17.0
> Reporter: Ken Giusti
> Assignee: Ken Giusti
> Priority: Minor
> Fix For: 1.18.0
>
>
> Currently when an action is queued for the core to process, the queuing code calls pthread_cond_signal() while holding the associated mutex. This can cause the core thread to be woken then immediately put sleep while taking the mutex.
>
> It is legal to call pthread_cond_signal() without holding the lock. Doing this will avoid contention on the associated mutex.
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