# File webrick/fcgi.rb, line 60
                def start
                        FCGI.each do |fcgi|
                                begin
                                        res = WEBrick::FCGIResponse.new(@config)
                                        req = WEBrick::FCGIRequest.new(@config)
                                        res.status = 500
                                        res.body = ''
                                        if fcgi.env['PATH_INFO'].nil? or fcgi.env['PATH_INFO'].empty?
                                                res.status = 301
                                                res['location'] = (fcgi.env['REQUEST_URI'] || '') + '/'
                                        else
                                                req.parse(fcgi)
                                                res.request_method = req.request_method
                                                res.request_uri = req.request_uri
                                                res.request_http_version = req.http_version
                                                res.keep_alive = req.keep_alive?
                                                if handler = @config[:RequestHandler]
                                                        handler.call(req, res)
                                                end
                                                service(req, res)
                                        end
                                rescue HTTPStatus::EOFError, HTTPStatus::RequestTimeout => ex
                                        res.set_error(ex)
                                rescue HTTPStatus::Error => ex
                                        res.set_error(ex)
                                rescue HTTPStatus::Status => ex
                                        res.status = ex.code
                                rescue Exception
                                        @logger.warn "Whoops -- #{$!}: #{$!.backtrace[0]}"
                                        res.body = "Whoops -- #{$!}: #{$!.backtrace.join("\n")}"
                                        res.status = 500
                                        res['content-type'] = 'text/plain'
                                end
                                res.send_response(fcgi.out)
                                yield fcgi, res if block_given?
                                fcgi.finish
                        end
                end