zeripath 8e32eeb5de Hold the event source when there are no listeners (#15725) ...

* Hold the event source when there are no listeners

The event source does not need to run when there are no listeners. Therefore
pause it when there are none.

* add some more logging

Signed-off-by: Andrew Thornton <art27@cantab.net>

2021-05-15 23:46:13 +02:00

1.9 KiB

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