# File lib/merb-core/rack/handler/mongrel.rb, line 34
        def self.run(app, options={})
          server = ::Mongrel::HttpServer.new(options[:Host] || '0.0.0.0',
                                             options[:Port] || 8080)
          server.register('/', ::Merb::Rack::Handler::Mongrel.new(app))
          yield server  if block_given?
          server.run.join
        end