instance method process_request

# File railties/lib/fcgi_handler.rb, line 97
    def process_request(request)
      @processing, @when_ready = true, nil
      gc_countdown

      with_signal_handler 'USR1' do
        begin
          ::Rack::Handler::FastCGI.serve(request, @app)
        rescue SignalException, SystemExit
          raise
        rescue Exception => error
          dispatcher_error error, 'unhandled dispatch error'
        end
      end
    ensure
      @processing = false
    end