} while (!m_exit
} while (!s_exit
        public void run() {            long start = System.currentTimeMillis();            long elapsed;            do {                elapsed = System.currentTimeMillis() - start;                Connection conn = m_src.acquire();                m_count++;                m_src.release(conn);            } while (!m_exit                     && (m_length == 0 || elapsed < m_length));        }