操作系统课程设计，使用PV操作机器信号量、锁等机制，实现读者和写者互斥访问临界资源-Courses on operating system design, the use of PV operate the machine semaphore lock mechanisms, readers and writers to achieve mutually exclusive access to critical resources

●实践目标  用Win32所提供的同步对象实现P、V操作，并使用它们并解决读写互斥问题。 ●实践内容 使用信号量对象或事件对象来实现方便-The goal of practice A synchronization object provided by Win32 P, V operation, and use them to read and write and solve the problem. The content of practice Usin