[jboss-jira] [JBoss JIRA] Closed: (JGRP-933) NAKACK/UNICAST: eager lock releasing not respected
Bela Ban (JIRA)
jira-events at lists.jboss.org
Thu Mar 19 05:59:22 EDT 2009
[ https://jira.jboss.org/jira/browse/JGRP-933?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Bela Ban closed JGRP-933.
-------------------------
Resolution: Rejected
The design actually works, as described in the prev comment
> NAKACK/UNICAST: eager lock releasing not respected
> --------------------------------------------------
>
> Key: JGRP-933
> URL: https://jira.jboss.org/jira/browse/JGRP-933
> Project: JGroups
> Issue Type: Bug
> Reporter: Bela Ban
> Assignee: Bela Ban
> Fix For: 2.8
>
>
> In both NAKACK and UNICAST, we have atomic booleans, which are consulted before trying to acquire the lock. So if a lock is released eagerly in a ProtocolStack.down() call, although the lock is released, the atomic var isn't, and so subsequent threads will still not be able to process different messages.
> A simple solution would be to release the lock *and* the atomic var in down().
> OTOH, we should see whether we can use either locks or atomic vars, but not *both*.
> This will need to be redesigned anyway with scopes in place (https://jira.jboss.org/jira/browse/JGRP-822).
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