Check for active PyPanda target during shutdown

avatartwo / avatar2

Python core of avatar²

Apache License 2.0

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Check for active PyPanda target during shutdown #81

Closed grant-h closed 3 years ago

grant-h commented 3 years ago

If Avatar is shutdown or crashes before pypanda target initialization, an exception can occur. Also PyPanda target wasn't calling super shutdown(), leading to POSIX MemoryQueue items, which aren't freed at process exit.