所给程序模拟两个进程，即生产者（producer）进程和消费者(Consumer)进程工作；

生产者每次产生一个数据，送入缓冲区中；

消费者每次从缓冲区中取走一个数据。-The simulation to the program two processes, namely producers (producer) process and consumers (Consumer) process work

Producers every time produce a data, into buffer

Consumers from every time in the buffer take a data.