Semaphore and shared memory,two types of Interprocess Communication (IPC) mechanism in MASSCOMP are introduced in detail in this paper. And the philosopher problem is discussed by using system calls of semaphore and shared memory with examples.

• 本文详细介绍了 MASSCOMP 机上进程间的通信机构 IPC 的两种方式:信号量和共享存贮器,并举例说明如何使用与信号量和共享存贮器有关的系统调用来实现哲学家问题。