# File lib/phusion_passenger/loader_shared_helpers.rb, line 271
        def advertise_sockets(output, request_handler)
                request_handler.server_sockets.each_pair do |name, options|
                        concurrency = PhusionPassenger.advertised_concurrency_level || options[:concurrency]
                        output.puts "!> socket: #{name};#{options[:address]};#{options[:protocol]};#{concurrency}"
                end
        end