Alan Conway created PROTON-1440:
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Summary: pn_connection_wake to return bool status
Key: PROTON-1440
URL: https://issues.apache.org/jira/browse/PROTON-1440
Project: Qpid Proton
Issue Type: Improvement
Components: proton-c
Affects Versions: 0.17.0
Reporter: Alan Conway
Assignee: Alan Conway
Fix For: 0.18.0
pn_connection_wake() allows any thread to send a PN_CONNECTION_WAKE event to a
proactor-managed connection. Currently it does not return any value, and the
application must ensure it is not called after the PN_TRANSPORT_CLOSED event is
processed for that connection.
This is tricky for the application to synchronize and inconsistent with other
pn_connection_ functions. If refcounts are used to keep a pn_connection_t in
memory after the TRANSPORT_CLOSED, then calling wake() is an error even though
the pn_connection_t is valid.
Change wake to be safe as long as the pn_connection_t is valid. It returns true
if the connection will be woken, false if it is too late.
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