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* 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>
* 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>