DRb::DRbServer#stop_service

# File tmp/rubies/ruby-3.0.5/lib/drb/drb.rb, line 1515
def stop_service
  DRb.remove_server(self)
  if  Thread.current['DRb'] && Thread.current['DRb']['server'] == self
    Thread.current['DRb']['stop_service'] = true
  else
    shutdown
  end
end