Interprocess Communication: (3.4-3.6)

1
Interprocess Communication (3.4-3.6)
CPE 261403 - Operating Systems
2
Producer Consumer Model
Compiler
Editor
Print Manager
Intra-machine communication
3
Producer Consumer Model
Web Server
Browser
Inter-machine communication
4
Why IPC?

• Information Sharing
• Computation Speedup
• Modularity
• Convenience

5
IPC Modes
Message Passing Shared Memory
Figure 3.14
6
Message Passing Methods

• Direct vs indirect communication
• Synchronous vs asynchronous comm
• Automatic vs explicit buffering

7
Message Passing in Windows XP
8
Presentation Topics

• Java Threads
• Unix Fork()