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Linux System Programming Talking Directly to the Kernel and C Library By Robert Love
September 2007
Pages: 388

| Table of Contents | Index | Sample Chapter | Colophon

Chapter 1 Introduction and Essential Concepts
1. System Programming
2. APIs and ABIs
3. Standards
4. Concepts of Linux Programming
5. Getting Started with System Programming
Chapter 2 File I/O
1. Opening Files
2. Reading via read( )
3. Writing with write( )
4. Synchronized I/O
5. Direct I/O
6. Closing Files
7. Seeking with lseek( )
8. Positional Reads and Writes
9. Truncating Files
10. Multiplexed I/O
11. Kernel Internals
12. Conclusion
Chapter 3 Buffered I/O
1. User-Buffered I/O
2. Standard I/O
3. Opening Files
4. Opening a Stream via File Descriptor
5. Closing Streams
6. Reading from a Stream
7. Writing to a Stream
8. Sample Program Using Buffered I/O
9. Seeking a Stream
10. Flushing a Stream
11. Errors and End-of-File
12. Obtaining the Associated File Descriptor
13. Controlling the Buffering
14. Thread Safety
15. Critiques of Standard I/O
16. Conclusion
Chapter 4 Advanced File I/O
1. Scatter/Gather I/O
2. The Event Poll Interface
3. Mapping Files into Memory
4. Advice for Normal File I/O
5. Synchronized, Synchronous, and Asynchronous Operations
6. I/O Schedulers and I/O Performance
7. Conclusion
Chapter 5 Process Management
1. The Process ID
2. Running a New Process
3. Terminating a Process
4. Waiting for Terminated Child Processes
5. Users and Groups
6. Sessions and Process Groups
7. Daemons
8. Conclusion
Chapter 6 Advanced Process Management
1. Process Scheduling
2. Yielding the Processor
3. Process Priorities
4. Processor Affinity
5. Real-Time Systems
6. Resource Limits
Chapter 7 File and Directory Management
1. Files and Their Metadata
2. Directories
3. Links
4. Copying and Moving Files
5. Device Nodes
6. Out-of-Band Communication
7. Monitoring File Events
Chapter 8 Memory Management
1. The Process Address Space
2. Allocating Dynamic Memory
3. Managing the Data Segment
4. Anonymous Memory Mappings
5. Advanced Memory Allocation
6. Debugging Memory Allocations
7. Stack-Based Allocations
8. Choosing a Memory Allocation Mechanism
9. Manipulating Memory
10. Locking Memory
11. Opportunistic Allocation
Chapter 9 Signals
1. Signal Concepts
2. Basic Signal Management
3. Sending a Signal
4. Reentrancy
5. Signal Sets
6. Blocking Signals
7. Advanced Signal Management
8. Sending a Signal with a Payload
9. Conclusion
Chapter 10 Time
1. Time's Data Structures
2. POSIX Clocks
3. Getting the Current Time of Day
4. Setting the Current Time of Day
5. Playing with Time
6. Tuning the System Clock
7. Sleeping and Waiting
8. Timers

Appendix GCC Extensions to the C Language
1. GNU C
2. Inline Functions
3. Suppressing Inlining
4. Pure Functions
5. Constant Functions
6. Functions That Do Not Return
7. Functions That Allocate Memory
8. Forcing Callers to Check the Return Value
9. Marking Functions As Deprecated
10. Marking Functions As Used
11. Marking Functions or Parameters As Unused
12. Packing a Structure
13. Increasing the Alignment of a Variable
14. Placing Global Variables in a Register
15. Branch Annotation
16. Getting the Type of an Expression
17. Getting the Alignment of a Type
18. The Offset of a Member Within a Structure
19. Obtaining the Return Address of a Function
20. Case Ranges
21. Void and Function Pointer Arithmetic
22. More Portable and More Beautiful in One Fell Swoop
Bibliography
Colophon

Return to Linux System Programming

Table of Contents

Chapter 1 Introduction and Essential Concepts

System Programming

APIs and ABIs

Standards

Concepts of Linux Programming

Getting Started with System Programming

Chapter 2 File I/O

Opening Files

Reading via read( )

Writing with write( )

Synchronized I/O

Direct I/O

Closing Files

Seeking with lseek( )

Positional Reads and Writes

Truncating Files

Multiplexed I/O

Kernel Internals

Conclusion

Chapter 3 Buffered I/O

User-Buffered I/O

Standard I/O

Opening Files

Opening a Stream via File Descriptor

Closing Streams

Reading from a Stream

Writing to a Stream

Sample Program Using Buffered I/O

Seeking a Stream

Flushing a Stream

Errors and End-of-File

Obtaining the Associated File Descriptor

Controlling the Buffering

Thread Safety

Critiques of Standard I/O

Conclusion

Chapter 4 Advanced File I/O

Scatter/Gather I/O

The Event Poll Interface

Mapping Files into Memory

Advice for Normal File I/O

Synchronized, Synchronous, and Asynchronous Operations

I/O Schedulers and I/O Performance

Conclusion

Chapter 5 Process Management

The Process ID

Running a New Process

Terminating a Process

Waiting for Terminated Child Processes

Users and Groups

Sessions and Process Groups

Daemons

Conclusion

Chapter 6 Advanced Process Management

Process Scheduling

Yielding the Processor

Process Priorities

Processor Affinity

Real-Time Systems

Resource Limits

Chapter 7 File and Directory Management

Files and Their Metadata

Directories

Links

Copying and Moving Files

Device Nodes

Out-of-Band Communication

Monitoring File Events

Chapter 8 Memory Management

The Process Address Space

Allocating Dynamic Memory

Managing the Data Segment

Anonymous Memory Mappings

Advanced Memory Allocation

Debugging Memory Allocations

Stack-Based Allocations

Choosing a Memory Allocation Mechanism

Manipulating Memory

Locking Memory