Creates or re-creates the scheduler instance.
Re-creating of scheduler is only allowed if previous one doesn't have any work remaining and is intended exclusively for ease of writing unittest blocks.
see .SchedulerConfiguration
existing epoll instance to use, if set to null, scheduler will create a new one
See Implementation
Creates or re-creates the scheduler instance.
Re-creating of scheduler is only allowed if previous one doesn't have any work remaining and is intended exclusively for ease of writing unittest blocks.