在Windows2000或Windows XP环境下，创建一个控制台进程，此进程包含n个线程。用这n个线程来表示n个读者或写者。每个线程按相应测试数据文件的要求进行读写操作。用信号量机制分别实现读者优先和写者优先问题。-In Windows2000 or Windows XP environment, the creation of a console process, this process contains n threads. Using this n that n threads to a reader or writer. Each thread in accordance with the corresponding test data files to read and write operation requirements. Semaphore mechanism with the respective priorities and the achievement of the readers who write priority issue.