now.tv_nsec += iIncreaseBy % 1000 * 1000000;
now.tv_sec += iIncreaseBy / 1000 + now.tv_nsec / 1000000000;
now.tv_nsec %= 1000000000;
now.tv_nsec += iIncreaseBy % 1000 * 1000000;
now.tv_sec += iIncreaseBy / 1000 + now.tv_nsec / 1000000000;
now.tv_nsec %= 1000000000;