This chapter covered the Unix/Linux exec programming model; the key concept of the predecessor and successor processes, and, importantly, how the successor (more-or-less completely) overlays the predecessor. The seven exec family APIs were covered, along with several code examples. Error handling, successor name specification, and so on, were covered as well. The systems programmer will now have sufficient knowledge to write C code that correctly executes a given program from within a process.
Hands-On System Programming with Linux
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Hands-On System Programming with Linux
By:
Overview of this book
The Linux OS and its embedded and server applications are critical components of today’s software infrastructure in a decentralized, networked universe. The industry's demand for proficient Linux developers is only rising with time. Hands-On System Programming with Linux gives you a solid theoretical base and practical industry-relevant descriptions, and covers the Linux system programming domain. It delves into the art and science of Linux application programming— system architecture, process memory and management, signaling, timers, pthreads, and file IO.
This book goes beyond the use API X to do Y approach; it explains the concepts and theories required to understand programming interfaces and design decisions, the tradeoffs made by experienced developers when using them, and the rationale behind them. Troubleshooting tips and techniques are included in the concluding chapter.
By the end of this book, you will have gained essential conceptual design knowledge and hands-on experience working with Linux system programming interfaces.
Table of Contents (21 chapters)
Preface
Free Chapter
Linux System Architecture
Resource Limits
Dynamic Memory Allocation
Linux Memory Issues
Debugging Tools for Memory Issues
Process Credentials
Process Capabilities
Process Execution
Process Creation
Signaling - Part I
Signaling - Part II
Multithreading with Pthreads Part I - Essentials
Multithreading with Pthreads Part II - Synchronization
Multithreading with Pthreads Part III
CPU Scheduling on Linux
Advanced File I/O
Troubleshooting and Best Practices
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