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"This is the definitive reference book for any serious or professional UNIX systems programmer. Rago has updated and extended the original Stevens classic while keeping true to the original."
—Andrew Josey, Director, Certification, The Open Group, and Chair of the POSIX 1003.1 Working Group
The same trusted content from the Second Edition, now in paperback!
For over a decade, serious C programmers have relied on one book for practical, in-depth knowledge of the programming interfaces that drive the UNIX and Linux kernels: W. Richard Stevens' Advanced Programming in the UNIX® Environment. Now, Stevens' colleague Stephen Rago has thoroughly updated this classic to reflect the latest technical advances and add support for today's leading UNIX and Linux platforms.
Rago carefully retains the spirit and approach that made this book a classic. Building on Stevens' work, he begins with basic topics such as files, directories, and processes, carefully laying the groundwork for understanding more advanced techniques, such as signal handling and terminal I/O.
Substantial new material includes chapters on threads and multithreaded programming, using the socket interface to drive interprocess communication (IPC), and extensive coverage of the interfaces added to the latest version of the POSIX.1 standard. Nearly all examples have been tested on four of today's most widely used UNIX/Linux platforms: FreeBSD 5.2.1; the Linux 2.4.22 kernel; Solaris 9; and Darwin 7.4.0, the FreeBSD/Mach hybrid underlying Apple's Mac OS X 10.3.
As in the first edition, you'll learn through example, including more than 10,000 lines of downloadable, ANSI C source code. More than 400 system calls and functions are demonstrated with concise, complete programs that clearly illustrate their usage, arguments, and return values. To tie together what you've learned, the book presents several chapter-length case studies, each fully updated for contemporary environments.
Advanced Programming in the UNIX® Environment has helped a generation of programmers write code with exceptional power, performance, and reliability. Now updated for today's UNIX/Linux systems, this second edition will be even more indispensable.
Preface to the First Edition.
1. UNIX System Overview.
Files and Directories.
Input and Output.
Programs and Processes.
System Calls and Library Functions.
2. UNIX Standardization and Implementations.
UNIX System Implementations.
Relationship of Standards and Implementations.
Feature Test Macros.
Primitive System Data Types.
Conflicts Between Standards.
3. File I/O.
dup and dup2 Functions.
sync, fsync, and fdatasync Functions.
4. Files and Directories.
stat, fstat, and lstat Functions.
Set-User-ID and Set-Group-ID.
File Access Per missions.
Ownership of New Files and Directories.
chmodand fchmod Functions.
chown, fchown, and lchown Functions.
link, unlink, remove, and rename Functions.
symlinkand readlink Functions.
mkdirand rmdir Functions.
Reading Director ies.
chdir, fchdir, and getcwd Functions.
Device Special Files.
Summary of File Access Per mission Bits.
5. Standard I/O Library.
Streams and FILE Objects.
Standard Input, Standard Output, and Standard Error.
Opening a Stream.
Reading and Writing a Stream.
Standard I/O Efficiency.
Positioning a Stream.
Alternatives to Standard I/O.
6. System Data Files and Information.
Supplementary Group Ids.
Other Data Files.
Time and Date Routines.
7. Process Environment.
Memory Layout of a C Program.
setjmp and longjmp Functions.
getrlimit and setrlimit Functions.
8. Process Control.
waitand waitpid Functions.
Changing User IDs and Group IDs.
9. Process Relationships.
tcgetpgrp, tcsetpgrp, and tcgetsid Functions.
Shell Execution of Programs.
Orphaned Process Groups.
Interrupted System Calls.
Reliable-Signal Terminology and Semantics.
killand raise Functions.
alarmand pause Functions.
sigsetjmp and siglongjmp Functions.
12. Thread Control.
Threads and Signals.
Threads and fork.
Threads and I/O.
13. Daemon Processes.
14. Advanced I/O.
2 poll Function.
readv and writev Functions.
readn and written Functions.
15. Interprocess Communication.
popen and pclose Functions.
16. Network IPC: Sockets.
Nonblocking and Asynchronous I/O.
17 Advanced IPC.
Passing File Descriptors.
An Open Server, Version 1.
An Open Server, Version 2.
18. Terminal I/O.
Special Input Characters.
Getting and Setting Terminal Attributes.
Terminal Option Flags.
Baud Rate Functions.
Line Control Functions.
Terminal Window Size.
termcap, terminfo, and curses.
19. Pseudo Terminals.
Opening Pseudo-Terminal Devices.
Using the pty Program.
20. A Database Library.
Centralized or Decentralized?
Building the Library.
21. Communicating with a Network Printer.
The Inter net Printing Protocol.
The Hypertext Transfer Protocol.
Appendix A. Function Prototypes.
Appendix B. Miscellaneous Source Code.
Our Header File.
Standard Error Routines.
Appendix C. Solutions to Selected Exercises.