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https://issues.apache.org/jira/browse/PROTON-2673?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17704482#comment-17704482
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ASF subversion and git services commented on PROTON-2673:
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Commit 47b958f271ea0637046c9b85de4690bd4dbebb1d in qpid-proton's branch
refs/heads/main from Clifford Jansen
[ https://gitbox.apache.org/repos/asf?p=qpid-proton.git;h=47b958f27 ]
PROTON-2673: epoll raw connections - allow delivery of wake events prior to
successful connect.
> Proactor hangs if pn_raw_connection_wake() is called with outstanding
> connection attempt
> ----------------------------------------------------------------------------------------
>
> Key: PROTON-2673
> URL: https://issues.apache.org/jira/browse/PROTON-2673
> Project: Qpid Proton
> Issue Type: Bug
> Components: proton-c
> Affects Versions: proton-c-0.38.0, proton-c-0.39.0
> Reporter: Ken Giusti
> Assignee: Clifford Jansen
> Priority: Major
> Attachments: raw_wake.c
>
>
> If pn_raw_connection_wake() is called on a raw connection that is attempting
> to connect no further proactor events are generated and the proactor hangs.
> Important observations:
> * This only occurs {_}if there is no server available at the target address
> for the connection{_}. If a server is present then the PN_RAW_CONNECTION_WAKE
> and PN_RAW_CONNECTION_CONNECTED events arrive properly (in that order).
> * The host address is "localhost" - using "127.0.0.1" or "::1" instead
> works. localhost on my machine maps to both "127.0.0.1" and "::1"
> * Extra bonus: if you move the call to pn_raw_connection_wake() to _before_
> the call to pn_proactor_raw_connect() a crash occurs
> See attached reproducer.
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