# File test/test_multi_process.rb, line 112
    def test_notify_restart
      pid_list = Array.new
      begin
        10.times do
          pid_list.push fork{
            @restart_signal.notify_restart # call on child process
            exit!
          }
        end
        @restart_signal.wait   # call on parent process
        assert_equal(1, @restart_call)
      ensure
        for pid in pid_list
          Process.waitpid(pid, 0)
        end
      end
      assert_equal(1, @restart_call)
    end