The Linux Programming Interface

1 The definiTive guide To Linux and unix sysTem Programming . The Linux The Linux Programming Interface is the definitive guide to the Linux and unix Programming Interface the f f Write secure programs Write multithreaded programs using POSIX threads Programming Interface Interface employed by nearly every application that f Build and use shared libraries Programming runs on a Linux or unix system. f Perform interprocess communication using pipes, In this authoritative work, Linux Programming message queues, shared memory, and semaphores expert Michael Kerrisk provides detailed descriptions f Write network applications with the sockets API. of the system calls and library functions that you need While The Linux Programming Interface covers a wealth The Linux Interface in order to master the craft of system Programming , of Linux -specific features, including epoll, inotify, and and accompanies his explanations with clear, complete A Linux and unix System Programming Handbook.

2 The /proc file system, its emphasis on unix standards example programs. ( and ). You'll find descriptions of over 500 system calls makes it equally valuable to programmers working on and library functions, and more than 200 example pro- other unix platforms. grams, 88 tables, and 115 diagrams. You'll learn how to: The Linux Programming Interface is the most com- Michael KerrisK. f Read and write files efficiently prehensive single-volume work on the Linux and unix . f Use signals, clocks, and timers Programming Interface , and a book that's destined to f Create processes and execute programs become a new classic. about the author Michael Kerrisk ( ) has been using and Programming unix systems for more than 20 years, and has taught many week-long courses on unix system Programming .

3 Since 2004, he has maintained the man-pages project, which produces the manual pages describing the Linux kernel and glibc Programming APIs. He has written or cowritten more than 250 of the manual pages and is actively involved in the testing and design review of new Linux kernel-userspace interfaces. Michael lives with his family in Munich, Germany. covers current unix standards ( and ). KerrisK. T H E F I N E ST I N G E E K E N T E RTA I N M E N T $ ($ CDN ) Shelve In: Linux / Programming w w ISBN: 978-1-59327-220-3. 5 999 5. 9 781593 272203 6 89145 72200 0. This logo applies only to the text stock. PRAISE FOR THE Linux Programming Interface . If I had to choose a single book to sit next to my machine when writing software for Linux , this would be it.

4 MARTIN LANDERS, SOFTWARE ENGINEER, GOOGLE. This book, with its detailed descriptions and examples, contains everything you need to understand the details and nuances of the low-level Programming APIs in Linux .. no matter what the level of reader, there will be something to be learnt from this book.. MEL GORMAN, AUTHOR OF Understanding the Linux Virtual Memory Manager Michael Kerrisk has not only written a great book about Linux Programming and how it relates to various standards, but has also taken care that bugs he noticed got fixed and the man pages were (greatly) improved. In all three ways, he has made Linux Programming easier. The in-depth treatment of topics in The Linux Programming Interface .

5 Makes it a must-have reference for both new and experienced Linux programmers.. ANDREAS JAEGER, PROGRAM MANAGER, OPENSUSE, NOVELL. Michael's inexhaustible determination to get his information right, and to express it clearly and concisely, has resulted in a strong reference source for programmers. While this work is targeted at Linux programmers, it will be of value to any programmer working in the unix /POSIX ecosystem.. DAVID BUTENHOF, AUTHOR OF Programming with POSIX Threads AND. CONTRIBUTOR TO THE POSIX AND unix STANDARDS.. a very thorough yet easy to read explanation of unix system and network Programming , with an emphasis on Linux systems. It's certainly a book I'd recommend to anybody wanting to get into unix Programming (in general) or to experienced unix programmers wanting to know what's new' in the popular GNU/ Linux system.

6 FERNANDO GONT, network SECURITY RESEARCHER, IETF PARTICIPANT, AND. RFC AUTHOR.. encyclopedic in the breadth and depth of its coverage, and textbook- like in its wealth of worked examples and exercises. Each topic is clearly and comprehensively covered, from theory to hands-on working code. Professionals, students, educators, this is the Linux / unix reference that you have been waiting for.. ANTHONY ROBINS, ASSOCIATE PROFESSOR OF COMPUTER SCIENCE, THE. UNIVERSITY OF OTAGO. I've been very impressed by the precision, the quality and the level of detail Michael Kerrisk put in his book. He is a great expert of Linux system calls and lets us share his knowledge and understanding of the Linux APIs.

7 CHRISTOPHE BLAESS, AUTHOR OF Programmation syst me en C sous Linux .. an essential resource for the serious or professional Linux and unix . systems programmer. Michael Kerrisk covers the use of all the key APIs across both the Linux and unix system interfaces with clear descriptions and tutorial examples and stresses the importance and benefits of following standards such as the Single unix Specification and POSIX . ANDREW JOSEY, DIRECTOR, STANDARDS, THE OPEN GROUP, AND CHAIR OF. THE POSIX WORKING GROUP. What could be better than an encyclopedic reference to the Linux system, from the standpoint of the system programmer, written by none other than the maintainer of the man pages himself?

8 The Linux Programming Interface is comprehensive and detailed. I firmly expect it to become an indispensable addition to my Programming bookshelf.. BILL GALLMEISTER, AUTHOR OF Programmer's Guide: Programming for the Real World .. the most complete and up-to-date book about Linux and unix system Programming . If you're new to Linux system Programming , if you're a unix . veteran focused on portability while interested in learning the Linux way, or if you're simply looking for an excellent reference about the Linux pro- gramming Interface , then Michael Kerrisk's book is definitely the companion you want on your bookshelf.. LO C DOMAIGN , CHIEF SOFTWARE ARCHITECT (EMBEDDED), San Francisco THE Linux Programming Interface .

9 Copyright 2010 by Michael Kerrisk. All rights reserved. No part of this work may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying, recording, or by any information storage or retrieval system, without the prior written permission of the copyright owner and the publisher. 14 13 12 11 10 123456789. ISBN-10: 1-59327-220-0. ISBN-13: 978-1-59327-220-3. Publisher: William Pollock Production Editor: Riley Hoffman Cover Design: Octopod Studios Front Cover Photo: Rob Suisted Back Cover Photo: Lynley Cook Copyeditor: Marilyn Smith Compositor: Susan Glinert Stevens Proofreader: Linda Seifert For technical reviewers, please refer to the author's acknowledgements For information on book distributors or translations, please contact No Starch Press, Inc.

10 Directly: No Starch Press, Inc. 38 Ringold Street, San Francisco, CA 94103. phone: ; fax: ; Library of Congress Cataloging-in-Publication Data Kerrisk, Michael, 1961- The Linux Programming Interface : a Linux and unix system Programming handbook / by Michael Kerrisk. p. cm. Includes bibliographical references and index. ISBN-13: 978-1-59327-220-3 (hardcover). ISBN-10: 1-59327-220-0 (hardcover). 1. Linux . 2. unix (Computer file) 3. Operating systems (Computers) I. Title. 2010. '32--dc22. 2010001947. No Starch Press and the No Starch Press logo are registered trademarks of No Starch Press, Inc. Other product and company names mentioned herein may be the trademarks of their respective owners.