# File lib/eventmachine.rb, line 381
381:   def self.add_periodic_timer *args, &block
382:     interval = args.shift
383:     code = args.shift || block
384:     if code
385:       block_1 = proc {
386:         code.call
387:         EventMachine::add_periodic_timer interval, code
388:       }
389:       add_timer interval, block_1
390:     end
391:   end