text: import os
  
  try:
      import setproctitle as setproctitle_mod
  except ImportError:
      setproctitle_mod = None
  
  
  _enabled = False
  
  
  def enable_proctitle_on_children():
      """
      Enable setting the process title on this process' children and
      grandchildren.
      """
      os.environ["DASK_PARENT"] = str(os.getpid())
  
  
  def enable_proctitle_on_current():
      """
      Enable setting the process title on this process.
      """
      global _enabled
      _enabled = True
  
  
  def setproctitle(title):
      """
      Change this process' title, as displayed in various utilities
      such as `ps`.
      """
      if setproctitle_mod is None:
          return
      enabled = _enabled
      if not enabled:
          try:
              enabled = int(os.environ.get("DASK_PARENT", "")) != os.getpid()
          except ValueError:
              pass
      if enabled:
          setproctitle_mod.setproctitle(title)
  