模拟“五个哲学家”问题该实验的要点是，解决并发环境下，多进程之间的同步与互斥问题。进程间的同步互斥必然涉及进程间的通信（信息交换）。-Simulation of the " five philosophers"　problem of the main points of the experiment, the solution to complicated circumstances, between the multi-process synchronization and mutual exclusion issues. Inter-process mutex synchronization process must involve communication (information exchange).