OPERATING SYSTEMS 1 龚玲 lgong@sjtu.edu.cn
OPERATING SYSTEMS 龚玲 lgong@sjtu.edu.cn 1
CHAPTER 3:PROCESSES Operating System Concepts with Java-7th Edition,Nov 15,2006 Silberschatz,Galvin and Gagne 2007
Operating System Concepts with Java – 7 th Edition, Nov 15, 2006 Silberschatz, Galvin and Gagne ©2007 CHAPTER 3: PROCESSES
CHAPTER 3:PROCESSES o Process Concept o Process Scheduling o Operations on Processes o Cooperating Processes o Inter process Communication o Communication in Client-Server Systems
CHAPTER 3: PROCESSES Process Concept Process Scheduling Operations on Processes Cooperating Processes Inter process Communication Communication in Client-Server Systems
REVIEW o IPC(InterProcess Communication) ·independent(no ipc) ·cooperation(ipc) o information sharing o computation speedup o modularity o convenience 。IPC mechanism o shared memory o message passing ohttp://wenku.baidu.com/course/study/77fldcccda38376ba flfae94#665ea0c7aa00b52acfc7ca94
REVIEW IPC(InterProcess Communication) independent(no ipc) cooperation(ipc) information sharing computation speedup modularity convenience IPC mechanism shared memory message passing http://wenku.baidu.com/course/study/77f1dcccda38376ba f1fae94#665ea0c7aa00b52acfc7ca94
INTERPOSES COMMUNICATION Message Passing Shared Memory process A M process A shared process B M process B 2 1 kernel kernel
INTERPOSES COMMUNICATION Message Passing Shared Memory