说明：  这是在linux环境下C++做的生产者和消费者问题，主要内容是一个进程产生卷烟所需要的材料：纸，烟叶和火柴。然后有多个进程来消费材料进行吸烟。
(This is a linux environment C++ Do producers and consumers issues, the main content is a process needed to produce cigarettes material: paper, tobacco and matches. And then there are multiple processes to consumer smoking materials.)