Operating System Design, 2nd Edition

Chapter Contents

• 11.1 Introduction
• 11.2 Inter–process Communication Ports
• 11.3 The Implementation Of Ports
• 11.4 Port Table Initialization
• 11.5 Port Creation
• 11.6 Sending A Message To A Port
• 11.7 Receiving A Message From A Port
• 11.8 Port Deletion And Reset
• 11.9 Perspective
• 11.10 Summary

11 High-level Message Passing

I’m always uneasy with messages.

— James Buchanan

11.1 Introduction

Chapter 8 describes a low-level message passing facility that permits a process to pass a message directly to another process. Although it provides a useful function, the low-level message passing system cannot be used to coordinate multiple receivers, nor can a given process participate in several message exchanges without interference among them.

This chapter ...