# File lib/spork/ext/ruby-debug.rb, line 73
      def listen_for_connection_signals
        @port = SporkDebugger::DEFAULT_PORT
        begin
          @tcp_service = TCPServer.new(SporkDebugger::HOST, @port)
        rescue Errno::EADDRINUSE
          @port += 1
          retry
        end
        Thread.new { main_loop }
      end