# File lib/system_timer.rb, line 43
43:     def timeout_after(seconds)
44:       new_timer = nil                                      # just for scope
45:       @mutex.synchronize do
46:         new_timer = timer_pool.add_timer seconds
47:         timer_interval = timer_pool.next_trigger_interval_in_seconds
48:         debug "==== Install Timer ==== at #{Time.now.to_i}, next interval: #{timer_interval}"
49:         if timer_pool.first_timer?
50:           install_first_timer_and_save_original_configuration timer_interval
51:         else
52:           install_next_timer timer_interval
53:         end
54:      end
55:       return yield
56:     ensure
57:       @mutex.synchronize do
58:         debug "==== Cleanup Timer ==== at #{Time.now.to_i}, #{new_timer} "
59:         timer_pool.cancel new_timer
60:         timer_pool.log_registered_timers if debug_enabled?
61:         next_interval = timer_pool.next_trigger_interval_in_seconds
62:         debug "Cleanup Timer : next interval #{next_interval.inspect} "
63:         if next_interval
64:           install_next_timer next_interval
65:         else
66:           restore_original_configuration          
67:         end
68:       end
69:     end