Clifford Jansen created PROTON-2763:
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Summary: Two final disconnect events possible from a raw connection
Key: PROTON-2763
URL: https://issues.apache.org/jira/browse/PROTON-2763
Project: Qpid Proton
Issue Type: Bug
Components: proton-c
Affects Versions: proton-c-0.39.0
Reporter: Clifford Jansen
Assignee: Clifford Jansen
In writing a new threaderciser for raw connections the following scenario can
result in a state machine mixup and second disconnect.
If a pn_raw_connection_wake() occurs around the time that the first disconnect
event is being consumed the task may be added to the global ready list for
processing. The batch done() processing will (correctly) defer the task
cleanup until the task is next scheduled via the ready list. However the raw
connection forgets that it has already done the disconnect and restarts the
state machine at the first disconnect stage, resulting in the second disconnect
event.
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