[jboss-jira] [JBoss JIRA] Created: (JGRP-758) NakReceiverWindow: analyze concurrency between adding and removing of messages

[Bela Ban (JIRA)]

NakReceiverWindow: analyze concurrency between adding and removing of messages
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                 Key: JGRP-758
                 URL: http://jira.jboss.com/jira/browse/JGRP-758
             Project: JGroups
          Issue Type: Task
            Reporter: Bela Ban
         Assigned To: Bela Ban
            Priority: Minor
             Fix For: 2.7


In NALACK, we call NRW.add() and subsequently NRW.remove(). These 2 methods acquire a NRW-internal lock, but the removal also acquires a lock by NRW.getLock() which is *not* the same as the NRW-internal lock . 

Tasks:

#1: make sure messages can be added and removed concurrently

#2: Analyze use of NRW.getLock() (still needed ?)


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