Class: FiberScheduler::Selector::Waiter

Inherits:
Object
  • Object
show all
Defined in:
lib/fiber_scheduler/selector.rb

Instance Method Summary collapse

Constructor Details

#initialize(fiber, events, tail) ⇒ Waiter

Returns a new instance of Waiter.



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# File 'lib/fiber_scheduler/selector.rb', line 29

def initialize(fiber, events, tail)
  @fiber = fiber
  @events = events
  @tail = tail
end

Instance Method Details

#alive? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/fiber_scheduler/selector.rb', line 35

def alive?
  @fiber&.alive?
end

#each(&block) ⇒ Object 



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# File 'lib/fiber_scheduler/selector.rb', line 53

def each(&block)
  if (fiber = @fiber)
    yield fiber, @events
  end

  @tail&.each(&block)
end

#invalidate ⇒ Object 



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# File 'lib/fiber_scheduler/selector.rb', line 49

def invalidate
  @fiber = nil
end

#transfer(events) ⇒ Object 



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# File 'lib/fiber_scheduler/selector.rb', line 39

def transfer(events)
  if (fiber = @fiber)
    @fiber = nil

    fiber.transfer(events & @events) if fiber.alive?
  end

  @tail&.transfer(events)
end