Getting Started with QNX Neutrino - QNX Software Systems

Contents
About This Guide
xi
What you’ll find in this guide xiii
Typographical conventions xiii
Note to Windows users xiv
Technical support xv
Foreword to the First Edition by Peter van der Veen 1
Preface to the First Edition by Rob Krten 5
A little history 8
Who this book is for 8
What’s in this book? 8
Processes and Threads 9
Message Passing 9
Clocks, Timers, and Getting a Kick Every So Often 9
Interrupts 9
Resource Managers 9
QNX 4 to QNX Neutrino 9
Calling 911 10
Glossary 10
Index 10
Other references 10
About Rob Krten 10
Acknowledgments 10
1
Processes and Threads 13
Process and thread fundamentals 15
A process as a house 15
The occupants as threads 15
Back to processes and threads 15
Mutual exclusion 16
Priorities 17
Semaphores 17
A semaphore as a mutex 18
The kernel’s role 19
April 30, 2009 Contents iii