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https://issues.apache.org/jira/browse/PROTON-372?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13729591#comment-13729591
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ASF subversion and git services commented on PROTON-372:
--------------------------------------------------------
Commit 1510573 from [~tedross] in branch 'proton/trunk'
[ https://svn.apache.org/r1510573 ]
PROTON-372 - Add better handing of poll status values in the driver.
Applied patch from Bozo Dragojevic.
> driver does not handle POLLHUP
> ------------------------------
>
> Key: PROTON-372
> URL: https://issues.apache.org/jira/browse/PROTON-372
> Project: Qpid Proton
> Issue Type: Bug
> Components: proton-c
> Affects Versions: 0.5
> Environment: osx
> Reporter: Bozo Dragojevic
> Assignee: Ted Ross
> Attachments: 0001-Handle-POLLHUP-as-pending-io.patch,
> 0001-Handle-POLLHUP-as-POLLERR.patch, confuse-driver.py
>
>
> If a peer closes the socket at an inopportune time poll() will start
> returning POLLHUP but not POLLERR. this drives messenger into a busyloop as
> the driver does not check this flag.
> The messenger instance is still able to service other connections but it's
> doing so at 100% cpu load as every poll() call returns immediately.
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