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About This Book

The Programmer's Guide is intended for developers who are building applications that will run under the QNX 6 Realtime Operating System.

Note: Depending on the nature of your application and target platform, you may also need to refer to Building Embedded Systems.

This table may help you find what you need in the Programmer's Guide:

When you want to: Go to:
Get started with a "Hello, world!" program Compiling and Debugging
Get an overview of the QNX 6 process model and scheduling methods Programming Overview
Create and terminate processes Processes
Develop a device driver and/or resource manager Writing a Resource Manager
Use native networking Qnet Networking
Learn about ISRs in QNX 6 Writing an Interrupt Handler
Analyze and detect problems related to dynamic memory management Heap Analysis
Deal with non-x86 issues (e.g. big-endian vs little-endian) Appendix A: Freedom from Hardware and Platform Dependencies
Understand our makefile methodology Appendix B: Conventions for Makefiles and Directories
Write programs for SMP machines Appendix C: Developing SMP Systems
Learn how to use the GDB debugger Appendix D: Using GDB

This guide also contains a glossary of terms used in the QNX OS docs.

Note: We assume that you've already installed QNX 6 and that you're familiar with its architecture. For a detailed overview, see the System Architecture manual.

Note to Windows users

In the QNX documentation, we use a forward slash (/) as a delimiter in all pathnames, including those pointing to Windows files.

We also generally follow POSIX/UNIX filesystem conventions.

Recommended reading

For the most part, the information that's documented in the Programmer's Guide is specific to QNX. For more general information, we recommend the following books:

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