Class: TPX::Exec

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

Instance Method Summary collapse

Constructor Details

#initialize(size, opts = {}) ⇒ Exec

Returns a new instance of Exec.



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# File 'lib/tpx.rb', line 22

def initialize(size, opts = {})
  tix = opts[:tix]

  @size = size
  @jobs = Queue.new

  @pool = Array.new(size) do
    Thread.new do
      Thread.current[:tix] = tix if tix
      catch(:exit) do
        loop do
          begin
            jid, job, args, acc = @jobs.pop
            acc << [jid, job.call(*args)]
          rescue => e
            acc << 'ERROR'
          end
        end
      end
    end
  end
end

Instance Method Details

#schedule(args, &block) ⇒ Object 



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# File 'lib/tpx.rb', line 45

def schedule(args, &block)
  acc = Queue.new
  @jobs << [0, block, args, acc]
  (acc.pop)[1]
end

#schedule_m_add(args, &block) ⇒ Object 



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# File 'lib/tpx.rb', line 55

def schedule_m_add(args, &block)
  acc = args[0]
  jid = args[1]
  args = args[2]
  @jobs << [jid, block, args, acc]
end

#schedule_m_build ⇒ Object 



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# File 'lib/tpx.rb', line 51

def schedule_m_build
  Queue.new
end

#schedule_m_read(acc, n) ⇒ Object 



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# File 'lib/tpx.rb', line 62

def schedule_m_read(acc, n)
  res = []

  while res.size < n do
    res << (acc.pop)
  end

  res
end

#shutdown ⇒ Object 



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# File 'lib/tpx.rb', line 72

def shutdown
  @size.times do
    schedule { throw :exit }
  end

  @pool.map(&:join)
end