运用操作系统中的防止死锁算法（银行家算法）来实现设备和进程间的协调，让他们自动申请设备，处理设备请求，还有生成等待队列，完成队列，设备状态查看。-The use of the operating system to prevent deadlock algorithm (banker' s algorithm) to achieve coordination between equipment and processes so that they can voluntarily apply