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From "Justin Ross (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (PROTON-1548) C++ proactor_container_impl deadlock in schedule
Date Thu, 28 Sep 2017 23:04:00 GMT

    [ https://issues.apache.org/jira/browse/PROTON-1548?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16185076#comment-16185076
] 

Justin Ross commented on PROTON-1548:
-------------------------------------

Just retested this, and the deadlock is still there.

> C++ proactor_container_impl deadlock in schedule
> ------------------------------------------------
>
>                 Key: PROTON-1548
>                 URL: https://issues.apache.org/jira/browse/PROTON-1548
>             Project: Qpid Proton
>          Issue Type: Bug
>          Components: cpp-binding
>    Affects Versions: proton-c-0.18.0
>            Reporter: Cliff Jansen
>            Assignee: Justin Ross
>            Priority: Blocker
>             Fix For: proton-c-0.18.0
>
>         Attachments: hang.cpp
>
>
> The proactor container can deadlock on connect(), open_sender(), etc.
> In the case of the test program, the lock is acquired just before
> run_timer_jobs() when handling PN_PROACTOR_TIMEOUT.  Deadlock occurs
> in container::impl::connect() when the lock is attempted to be taken a
> second time.



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