Copyright

Robbins, Steven, 1947-

UNIX systems programming: communication, concurrence, and threads / Steven Robbins, Kay Robbins

p. cm.

Previously published under the title: Practical UNIX Programming / Kay Robbins. Upper Saddle River, NJ: Prentice Hall, c1996.

ISBN 0-13-0424110

1. UNIX (Computer file) 2. Operating systems (Computers) I. Robiins, Kay A. II. Robbins, Kay A. Practical UNIX programming. III. Title

Production Supervisor: Wil Mara

Acquisitions Editor: Greg Doench

Cover Design: Nina Scuderi and Talar Boorujy

Cover Design Director: Jerry Votta

Editorial Assistant: Brandt Kenna

Marketing Manager: Dan DePasquale

Manufacturing Manager: Alexis Heydt-Long

2003 Pearson Education, Inc.

Publishing as Prentice Hall Professional Technical Reference

Upper Saddle River, New Jersey 07458

Prentice Hall books are widely used by corporations and government agencies for training, marketing, and resale.

Prentice Hall PTR offers excellent discounts on this book when ordered in quantity for bulk purchases or special sales. For more information, please contact: U.S. Corporate and Government Sales, 1-800-382-3419, [e-mail]. For sales outside the U.S., please contact: International Sales, 1-317-581-3793, [e-mail].

Company and product names mentioned herein are the trademarks or registered trademarks of their respective owners .

Allrights reserved. No part of this book may be reproduced, in any form or by any means, without permission in writing from the publisher.

Printed in the United States of America

First Printing

Pearson Education LTD.

Pearson Education Australia PTY, Limited

Pearson Education Singapore, Pte. Ltd.

Pearson Education North Asia Ltd.

Pearson Education Canada, Ltd

Pearson Educati ³n de Mexico, S.A. de C.V.

Pearson Education ”Japan

Pearson Education Malaysia, Pte. Ltd.

Dedication

To Nicole and Thomas