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    args: A tuple of function parameters to pass unmodified to start_function.

  Returns:
    The running process - either the same one that was passed in, or a new one if a
    restart was needed.
  """
  if not SHUTDOWN_SIGNAL:

    if not enabled:
      if p is not None:  # must have just requested a disabling of single instance
        args[2].value = 1  # trigger a shutdown on the single instance
      return None

    if p is None or not p.is_alive():
      if p is None:
        Log('Process for %s starting for first time' % str(start_function))
      elif VERBOSE:
        Log('Process (%s) for %s died; restarting' % (str(p), str(start_function)))
      args[2].value = 0  # (re)set shutdown flag to allow function to run
      p = multiprocessing.Process(target=start_function, args=args)
      p.daemon = True  # TODO: perhaps value of false will address correlated BT failures?
      p.start()

  return p


def EnqueueArduinos(flights, json_desc_dict, configuration, to_servo_q, to_remote_q):
  """Send latest data to arduinos via their shared-memory queues"""
  last_flight = {}
  if flights:
    last_flight = flights[-1]

  if SIMULATION:
    now = json_desc_dict['now']
  else:
    now = time.time()

  additional_attributes = {}

  today = EpochDisplayTime(now, '%x')
  flight_count_today = len([1 for f in flights if DisplayTime(f, '%x') == today])




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    args: A tuple of function parameters to pass unmodified to start_function.

  Returns:
    The running process - either the same one that was passed in, or a new one if a
    restart was needed.
  """
  if not SHUTDOWN_SIGNAL:

    if not enabled:
      if p is not None:  # must have just requested a disabling of single instance
        args[2].value = 1  # trigger a shutdown on the single instance
      return None

    if p is None or not p.is_alive():
      if p is None:
        Log('Process for %s starting for first time' % str(start_function))
      elif VERBOSE:
        Log('Process (%s) for %s died; restarting' % (str(p), str(start_function)))
      args[2].value = 0  # (re)set shutdown flag to allow function to run
      p = multiprocessing.Process(target=start_function, args=args)
      p.daemon = False  # TODO: perhaps value of false will address correlated BT failures?
      p.start()

  return p


def EnqueueArduinos(flights, json_desc_dict, configuration, to_servo_q, to_remote_q):
  """Send latest data to arduinos via their shared-memory queues"""
  last_flight = {}
  if flights:
    last_flight = flights[-1]

  if SIMULATION:
    now = json_desc_dict['now']
  else:
    now = time.time()

  additional_attributes = {}

  today = EpochDisplayTime(now, '%x')
  flight_count_today = len([1 for f in flights if DisplayTime(f, '%x') == today])




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