message: Use modulo operation to get msec
diff: @@ -45,7 +45,7 @@ static int swSystemTimer_signal_set(swTimer *timer, long interval)
  {
  struct itimerval timer_set;
  int sec = interval / 1000;
  - int msec = (((float) interval / 1000) - sec) * 1000;
  + int msec = interval % 1000;
  struct timeval now;
  if (gettimeofday(&now, NULL) < 0)
  