Linux环境下计算机联锁系统进程通信的实现

Realization of Interprocess Communication of Computer Interlocking system in Linux Platform

铁路信号计算机联锁系统中联锁关系关键依靠控制大量的数据交换来实现,因此,可靠而高效的数据通信方式十分重要.本文描述了以Linux为平台,在某铁路局已经投入使用的计算机联锁系统中进程通信实现方法.主要讨论了Linux进程通信中的两种方法:共享内存和信号量.

In railway signal computer interlocking system,interlocking is realized largely depending on controlling a great of data changed. So its data communication of trustiness and high efficiency is very important. The realizing method of inter-process communication of computer interlocking system is described in l.inux platform. The system has been used in certain railway bureau. This paper is mainly on the application of shared memory and semaphores.