基于系统内核与共享内存的守护进程实现研究  

Research on Daemon Implementation Based on System Kernel and Shared Memory

作　　者：王晨 刘学纵 Wang Chen

机构地区：[1]卡斯柯信号有限公司,上海200071

出　　处：《工业控制计算机》2020年第3期115-117,121,共4页Industrial Control Computer

基　　金：上海市科学技术委员会科研计划项目(18DZ1205802)。

摘　　要：介绍了一种基于操作系统内核与共享内存相结合的守护进程实现方法,描述了守护进程通过共享内存实现对子进程的管理过程,并在Windows系统和Linux系统下对守护进程的各种应用场景进行了测试。针对以行车指挥为核心的轨道交通综合监控系统的发展趋势[1],论述了守护进程的可行性及必要性,并对其实现过程进行了探讨和研究,最终在上海轨道交通无人驾驶列控系统工程技术研究中心将其部署应用。A method of implementing daemon based on operating system kernel and shared memory is introduced.It describes the daemon’s management to child processes through shared memory and the testing of various application scenarios of the daemon under Windows system and Linux system.Aiming at the development trend of the urban rail transit integrated supervisory control system with traffic control as the core,the feasibility and necessity of the daemon are discussed,and the realization process is discussed and studied in this paper.Finally,it’s deploied and applied on the Shanghai Engineering Research Center of Driverless Train Control of Urban Guided Transport.

关 键 词：内核 守护进程 共享内存 T_tree TIDAS 

分 类 号：U284.48[交通运输工程—交通信息工程及控制]