STREAMS-UX Programmer's Guide (February 2007)

Chapter 4

4 Modules and Drivers

This chapter describes the various data structures essential to modules and drivers. It also provides design

guidelines for developing modules and drivers. Appropriate code examples have been provided.

This chapter addresses the following topics:

•Overview

• Data Structures

•Entry Points

• Flush Handling

• Design Guidelines

• STREAMS Module

• STREAMS Driver

• DLKM STREAMS