Class: Rx::Concurrent::ThreadPool

Inherits:
Object
  • Object
show all
Defined in:
lib/rx/concurrent/thread_pool.rb

Instance Method Summary collapse

Constructor Details

#initialize(size = Etc.nprocessors) ⇒ ThreadPool

Returns a new instance of ThreadPool.



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# File 'lib/rx/concurrent/thread_pool.rb', line 6

def initialize(size = Etc.nprocessors)
  @pool = []
  @size = size
  @pid = Process.pid
end

Instance Method Details

#restart ⇒ Object 



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# File 'lib/rx/concurrent/thread_pool.rb', line 29

def restart
  shutdown
  start
end

#shutdown ⇒ Object 



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# File 'lib/rx/concurrent/thread_pool.rb', line 12

def shutdown
  return unless started?

  queue.close
  pool.map(&:join)
  pool.clear
end

#start ⇒ Object 



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# File 'lib/rx/concurrent/thread_pool.rb', line 20

def start
  return if started?

  @queue = Queue.new
  size.times { pool << Thread.new(&worker) }

  self
end

#started? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rx/concurrent/thread_pool.rb', line 34

def started?
  pool.map(&:alive?).any?
end

#submit(&block) ⇒ Object 



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# File 'lib/rx/concurrent/thread_pool.rb', line 38

def submit(&block)
  restart_on_fork if forked?

  return unless started?
  queue << block
end