多线程编程之临界区的应用

http://blog.csdn.net/hzyong_c/article/details/7747895

http://baike.baidu.com/link?url=ztQdupVp86T-lHL8Dpwx5RLs_tbL2YE3MhuvmPGe6wD8DZm5ZsO5W1MirzWsSpKmY1HypzhXuhFjxcV7Vcn4e_