操作系统中生产者与消费者问题的模拟，对于出现的死锁情况，采用置换算法解决。-Producers and consumers in the operating system simulation problems, for the deadlock situation occurs, the use of replacement algorithm to solve.

操作系统中同步与互斥算法，生产者和消费者，理发店问题，-Operating system synchronization and mutual exclusion algorithms, producers and consumers, barber shops,