lib_dir = File.expand_path(File.join(File.dirname(__FILE__), '../../lib')) if File.exist?(File.join(lib_dir, 'daemons.rb')) $LOAD_PATH.unshift lib_dir else begin; require 'rubygems'; rescue ::Exception; end end require 'daemons' testfile = File.expand_path(__FILE__) + '.log' # On the first call to , an application group (accessible by Daemons.group) # will be created an the options will be kept within, so you only have to specify # :multiple once. # options = { # :ontop => true, :multiple => true } Daemons.call(options) do File.open(testfile, 'w') {|f| f.puts "test" } loop { puts "1"; sleep 5 } end puts "first task started" Daemons.call do loop { puts "2"; sleep 4 } end puts "second task started" # NOTE: this process will exit after 5 seconds Daemons.call do puts "3" sleep 5 end puts "third task started" puts "waiting 20 seconds..." sleep(20) # This call would result in an exception as it will try to kill the third process # which has already terminated by that time; but using the 'true' parameter forces the # stop_all procedure. puts "trying to stop all tasks..." Daemons.group.stop_all(true) puts "done"