Operating System Design, 2nd Edition

Chapter Contents

• 2.1 Introduction
• 2.2 Programming Models For Multiple Activities
• 2.3 Operating System Services
• 2.4 Concurrent Processing Concepts And Terminology
• 2.5 Distinction Between Sequential And Concurrent Programs
• 2.6 Multiple Processes Sharing A Single Piece of Code
• 2.7 Process Exit And Process Termination
• 2.8 Shared Memory, Race Conditions, And Synchronization
• 2.9 Semaphores And Mutual Exclusion
• 2.10 Type Names Used In Xinu
• 2.11 Operating System Debugging With Kputc And Kprintf
• 2.12 Perspective
• 2.13 Summary

2 Concurrent Execution And Operating System Services

From an article on a new operating system for the IBM PC: Real concurrency — in which one program actually continues to function while you call up and use another — is more ...