使用Java Applet 编写的多类操作系统专用算法演示，包括银行家算法、理发师问题、RAID算法等等。-use Java Applet preparation of a wide range of operating systems dedicated algorithm demonstration. including bankers algorithm, Seville, RAID algorithm, and so on.

操作系统经典进程同步问题--理发师睡觉问题-Classic operating system process synchronization problems- problems sleeping barber

经典胡睡觉理发师问题，利用信号量实现进程同步-Classic Hu sleeping barber problem using semaphores to achieve process synchronization

其实际为生产者消费者问题，理发师忙时，顾客等待，理发师闲时，给顾客理发。(In fact, it is the problem of producer consumers, when the barber is busy, the customer is waiting, and the barber is free to make a haircut for the customer.)