CopyrightPraise for Advanced Programming in the UNIX® Environment, Second EditionPraise for the First EditionAddison-Wesley Professional Computing SeriesForewordPrefaceIntroductionChanges from the First EditionAcknowledgmentsPreface to the First EditionIntroductionUnix StandardsOrganization of the BookExamples in the TextSystems Used to Test the ExamplesAcknowledgments Chapter 1. UNIX System Overview Section 1.1. Introduction Section 1.2. UNIX Architecture Section 1.3. Logging In Section 1.4. Files and Directories Section 1.5. Input and Output Section 1.6. Programs and Processes Section 1.7. Error Handling Section 1.8. User Identification Section 1.9. Signals Section 1.10. Time Values Section 1.11. System Calls and Library Functions Section 1.12. SummaryExercises Chapter 2. UNIX Standardization and Implementations Section 2.1. Introduction Section 2.2. UNIX Standardization Section 2.3. UNIX System Implementations Section 2.4. Relationship of Standards and Implementations Section 2.5. Limits Section 2.6. Options Section 2.7. Feature Test Macros Section 2.8. Primitive System Data Types Section 2.9. Conflicts Between Standards Section 2.10. SummaryExercises Chapter 3. File I/O Section 3.1. Introduction Section 3.2. File Descriptors Section 3.3. open Function Section 3.4. creat Function Section 3.5. close Function Section 3.6. lseek Function Section 3.7. read Function Section 3.8. write Function Section 3.9. I/O Efficiency Section 3.10. File Sharing Section 3.11. Atomic Operations Section 3.12. dup and dup2 Functions Section 3.13. sync, fsync, and fdatasync Functions Section 3.14. fcntl Function Section 3.15. ioctl Function Section 3.16. /dev/fd Section 3.17. SummaryExercises Chapter 4. Files and Directories Section 4.1. Introduction Section 4.2. stat, fstat, and lstat Functions Section 4.3. File Types Section 4.4. Set-User-ID and Set-Group-ID Section 4.5. File Access Permissions Section 4.6. Ownership of New Files and Directories Section 4.7. access Function Section 4.8. umask Function Section 4.9. chmod and fchmod Functions Section 4.10. Sticky Bit Section 4.11. chown, fchown, and lchown Functions Section 4.12. File Size Section 4.13. File Truncation Section 4.14. File Systems Section 4.15. link, unlink, remove, and rename Functions Section 4.16. Symbolic Links Section 4.17. symlink and readlink Functions Section 4.18. File Times Section 4.19. utime Function Section 4.20. mkdir and rmdir Functions Section 4.21. Reading Directories Section 4.22. chdir, fchdir, and getcwd Functions Section 4.23. Device Special Files Section 4.24. Summary of File Access Permission Bits Section 4.25. SummaryExercises Chapter 5. Standard I/O Library Section 5.1. Introduction Section 5.2. Streams and FILE Objects Section 5.3. Standard Input, Standard Output, and Standard Error Section 5.4. Buffering Section 5.5. Opening a Stream Section 5.6. Reading and Writing a Stream Section 5.7. Line-at-a-Time I/O Section 5.8. Standard I/O Efficiency Section 5.9. Binary I/O Section 5.10. Positioning a Stream Section 5.11. Formatted I/O Section 5.12. Implementation Details Section 5.13. Temporary Files Section 5.14. Alternatives to Standard I/O Section 5.15. SummaryExercises Chapter 6. System Data Files and Information Section 6.1. Introduction Section 6.2. Password File Section 6.3. Shadow Passwords Section 6.4. Group File Section 6.5. Supplementary Group IDs Section 6.6. Implementation Differences Section 6.7. Other Data Files Section 6.8. Login Accounting Section 6.9. System Identification Section 6.10. Time and Date Routines Section 6.11. SummaryExercises Chapter 7. Process Environment Section 7.1. Introduction Section 7.2. main Function Section 7.3. Process Termination Section 7.4. Command-Line Arguments Section 7.5. Environment List Section 7.6. Memory Layout of a C Program Section 7.7. Shared Libraries Section 7.8. Memory Allocation Section 7.9. Environment Variables Section 7.10. setjmp and longjmp Functions Section 7.11. getrlimit and setrlimit Functions Section 7.12. SummaryExercises Chapter 8. Process Control Section 8.1. Introduction Section 8.2. Process Identifiers Section 8.3. fork Function Section 8.4. vfork Function Section 8.5. exit Functions Section 8.6. wait and waitpid Functions Section 8.7. waitid Function Section 8.8. wait3 and wait4 Functions Section 8.9. Race Conditions Section 8.10. exec Functions Section 8.11. Changing User IDs and Group IDs Section 8.12. Interpreter Files Section 8.13. system Function Section 8.14. Process Accounting Section 8.15. User Identification Section 8.16. Process Times Section 8.17. SummaryExercises Chapter 9. Process Relationships Section 9.1. Introduction Section 9.2. Terminal Logins Section 9.3. Network Logins Section 9.4. Process Groups Section 9.5. Sessions Section 9.6. Controlling Terminal Section 9.7. tcgetpgrp, tcsetpgrp, and tcgetsid Functions Section 9.8. Job Control Section 9.9. Shell Execution of Programs Section 9.10. Orphaned Process Groups Section 9.11. FreeBSD Implementation Section 9.12. SummaryExercises Chapter 10. Signals Section 10.1. Introduction Section 10.2. Signal Concepts Section 10.3. signal Function Section 10.4. Unreliable Signals Section 10.5. Interrupted System Calls Section 10.6. Reentrant Functions Section 10.7. SIGCLD Semantics Section 10.8. Reliable-Signal Terminology and Semantics Section 10.9. kill and raise Functions Section 10.10. alarm and pause Functions Section 10.11. Signal Sets Section 10.12. sigprocmask Function Section 10.13. sigpending Function Section 10.14. sigaction Function Section 10.15. sigsetjmp and siglongjmp Functions Section 10.16. sigsuspend Function Section 10.17. abort Function Section 10.18. system Function Section 10.19. sleep Function Section 10.20. Job-Control Signals Section 10.21. Additional Features Section 10.22. SummaryExercises Chapter 11. Threads Section 11.1. Introduction Section 11.2. Thread Concepts Section 11.3. Thread Identification Section 11.4. Thread Creation Section 11.5. Thread Termination Section 11.6. Thread Synchronization Section 11.7. SummaryExercises Chapter 12. Thread Control Section 12.1. Introduction Section 12.2. Thread Limits Section 12.3. Thread Attributes Section 12.4. Synchronization Attributes Section 12.5. Reentrancy Section 12.6. Thread-Specific Data Section 12.7. Cancel Options Section 12.8. Threads and Signals Section 12.9. Threads and fork Section 12.10. Threads and I/O Section 12.11. SummaryExercises Chapter 13. Daemon Processes Section 13.1. Introduction Section 13.2. Daemon Characteristics Section 13.3. Coding Rules Section 13.4. Error Logging Section 13.5. Single-Instance Daemons Section 13.6. Daemon Conventions Section 13.7. ClientServer Model Section 13.8. SummaryExercises Chapter 14. Advanced I/O Section 14.1. Introduction Section 14.2. Nonblocking I/O Section 14.3. Record Locking Section 14.4. STREAMS Section 14.5. I/O Multiplexing Section 14.6. Asynchronous I/O Section 14.7. readv and writev Functions Section 14.8. readn and writen Functions Section 14.9. Memory-Mapped I/O Section 14.10. SummaryExercises Chapter 15. Interprocess Communication Section 15.1. Introduction Section 15.2. Pipes Section 15.3. popen and pclose Functions Section 15.4. Coprocesses Section 15.5. FIFOs Section 15.6. XSI IPC Section 15.7. Message Queues Section 15.8. Semaphores Section 15.9. Shared Memory Section 15.10. ClientServer Properties Section 15.11. SummaryExercises Chapter 16. Network IPC: Sockets Section 16.1. Introduction Section 16.2. Socket Descriptors Section 16.3. Addressing Section 16.4. Connection Establishment Section 16.5. Data Transfer Section 16.6. Socket Options Section 16.7. Out-of-Band Data Section 16.8. Nonblocking and Asynchronous I/O Section 16.9. SummaryExercises Chapter 17. Advanced IPC Section 17.1. Introduction Section 17.2. STREAMS-Based Pipes Section 17.3. UNIX Domain Sockets Section 17.4. Passing File Descriptors Section 17.5. An Open Server, Version 1 Section 17.6. An Open Server, Version 2 Section 17.7. SummaryExercises Chapter 18. Terminal I/O Section 18.1. Introduction Section 18.2. Overview Section 18.3. Special Input Characters Section 18.4. Getting and Setting Terminal Attributes Section 18.5. Terminal Option Flags Section 18.6. stty Command Section 18.7. Baud Rate Functions Section 18.8. Line Control Functions Section 18.9. Terminal Identification Section 18.10. Canonical Mode Section 18.11. Noncanonical Mode Section 18.12. Terminal Window Size Section 18.13. termcap, terminfo, and curses Section 18.14. SummaryExercises Chapter 19. Pseudo Terminals Section 19.1. Introduction Section 19.2. Overview Section 19.3. Opening Pseudo-Terminal Devices Section 19.4. pty_fork Function Section 19.5. pty Program Section 19.6. Using the pty Program Section 19.7. Advanced Features Section 19.8. SummaryExercises Chapter 20. A Database Library Section 20.1. Introduction Section 20.2. History Section 20.3. The Library Section 20.4. Implementation Overview Section 20.5. Centralized or Decentralized? Section 20.6. Concurrency Section 20.7. Building the Library Section 20.8. Source Code Section 20.9. Performance Section 20.10. SummaryExercises Chapter 21. Communicating with a Network Printer Section 21.1. Introduction Section 21.2. The Internet Printing Protocol Section 21.3. The Hypertext Transfer Protocol Section 21.4. Printer Spooling Section 21.5. Source Code Section 21.6. SummaryExercises Appendix A. Function Prototypes Appendix B. Miscellaneous Source Code Section B.1. Our Header FileB.2 Standard Error Routines Appendix C. Solutions to Selected ExercisesChapter 1Chapter 2Chapter 3Chapter 4Chapter 5Chapter 6Chapter 7Chapter 8Chapter 9Chapter 10Chapter 11Chapter 12Chapter 13Chapter 14Chapter 15Chapter 16Chapter 17Chapter 18Chapter 19Chapter 20Chapter 21BibliographyIndex