code: def map_noreturn(targ, argslist):
      
  
      # Thanks to Anne Archibald's handythread.py for the exception handling
      # mechanism.
      exceptions = []
      n_threads = len(argslist)
  
      exc_lock = threading.Lock()
      done_lock = CountDownLatch(n_threads)
  
      def eb(wr, el=exc_lock, ex=exceptions, dl=done_lock):
          el.acquire()
          ex.append(sys.exc_info())
          el.release()
  
          dl.countdown()
  
      def cb(wr, value, dl=done_lock):
          dl.countdown()
  
      for args in argslist:
          __PyMCThreadPool__.putRequest(
              WorkRequest(targ,
                          callback=cb,
                          exc_callback=eb,
                          args=args,
                          requestID=id(args)))
      done_lock.await_lock()
  
      if exceptions:
          six.reraise(*exceptions[0])
docs: parallel_call_noreturn(targ, argslist)
  
      :Parameters:
        - targ : function
        - argslist : list of tuples
  
      Does [targ(*args) for args in argslist] using the threadpool.