Submits a closure for execution.
Runnable for execution.
Returns string formatted according to given
Checks for actors that have become garbage.
When the scheduler is active, it can execute tasks.
newActor is invoked whenever a new actor is started.
Registers a closure to be executed when the specified actor terminates.
the closure to be registered
Resumes the execution of the scheduler if it was previously
Shuts down the scheduler.
Suspends the scheduler.
Starts this scheduler.
Registers that the specified actor has terminated.
the actor that has terminated