Class: Async::Worker::Pool

Inherits:
Object
  • Object
show all
Defined in:
lib/async/worker/pool.rb

Instance Method Summary collapse

Constructor Details

#initialize(workers = 4) ⇒ Pool 



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# File 'lib/async/worker/pool.rb', line 29

def initialize(workers = 4)
  @threads = []
  
  @queue = Thread::Queue.new
  
  workers.times {create_worker}
end

Instance Method Details

#async(&block) ⇒ Object 



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# File 'lib/async/worker/pool.rb', line 42

def async(&block)
  notification = Notification.new
  
  result = nil
  
  job = lambda do
    begin
      result = block.call
    rescue Exception
      result = $!
    ensure
      notification.signal
    end
  end
  
  @queue << job
  
  notification.wait
  notification.close
  
  return result
end

#close ⇒ Object 



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# File 'lib/async/worker/pool.rb', line 37

def close
  @queue.close
  @threads.each(&:join)
end