# File lib/thin/server.rb, line 152
    def start
      raise ArgumentError, 'app required' unless @app
      
      log_info  "Thin web server (v#{VERSION::STRING} codename #{VERSION::CODENAME})"
      log_debug "Debugging ON"
      trace     "Tracing ON"
      
      log_info "Maximum connections set to #{@backend.maximum_connections}"
      log_info "Listening on #{@backend}, CTRL+C to stop"

      @backend.start { setup_signals if @setup_signals }
    end