Hi! As Noah pointed out in [1], auxiliary processes are supported in the facility, but proper cleanup is absent when they exit. I have attached a patch trying to address that as suggested before getting sidetracked for too long with the issue raised in [2].
[1] https://www.postgresql.org/message-id/[email protected] [2] https://www.postgresql.org/message-id/flat/20210803023612.iziacxk5syn2r4ut%40alap3.anarazel.de -- Regards, Xuneng Zhou HighGo Software Co., Ltd.
v1-0001-Add-wait-for-lsn-process-exit-cleanup-callback.patch
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