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Extreme C

You're reading from Extreme C

Product type Book

Published in Oct 2019

Publisher Packt

ISBN-13 9781789343625

Pages 822 pages

Edition 1st Edition

Languages

Concepts

Programming Language

Author (1):

Kamran Amini

Table of Contents (23) Chapters

1. Essential Features

2. From Source to Binary

3. Object Files

4. Process Memory Structure

5. Stack and Heap

6. OOP and Encapsulation

7. Composition and Aggregation

8. Inheritance and Polymorphism

9. Abstraction and OOP in C++

10. Unix – History and Architecture

11. System Calls and Kernels

12. The Most Recent C

13. Concurrency

14. Synchronization

15. Thread Execution

16. Thread Synchronization

POSIX concurrency control

17. Process Execution

18. Process Synchronization

19. Single-Host IPC and Sockets

20. Socket Programming

21. Integration with Other Languages

22. Unit Testing and Debugging

23. Build Systems

Concurrency in POSIX

As we explained in the previous sections, concurrency or multitasking is a functionality provided by the kernel of an operating system. Not all kernels have been concurrent since their birth, but most of them support concurrency today. It is nice to know that the first version of Unix was not concurrent, but it gained this feature very soon after its birth.

If you remember Chapter 10, Unix – History and Architecture, we explained how single Unix specification and POSIX tried to standardize the API exposed by the shell ring in a Unix-like operating system. Concurrency has been part of these standards for a long time, and so far, it has allowed many developers to write concurrent programs for POSIX-compliant operating systems. The concurrency support in POSIX has been widely used and implemented in a vast range of operating systems, such as Linux and macOS.

Concurrency in a POSIX-compliant operating system is generally provided in two...

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Authors (1)

Kamran Amini

Kamran Amini is an expert software architect with more than 10 years of experience in the analysis, design, development, and building large-scale, distributed enterprise software systems. His skills are not limited to a specific development platform and Kamrans architectural solutions include a variety of technologies, patterns, and concepts based on C and C++, Java, Python, etc. As an enterprise architect, hes always faced strict and risky conditions in which security, performance, data consistency and correctness, fault tolerance and high availability, authentication and authorization have always been important factors. His passion towards C and C++ has started since his teenage as a lead for his high schools soccer simulation team and hes just put it to be his main axis in the career. In recent years, he has just attended to study astrophysics degree because of his interest in astronomy and the wonder of night sky since his childhood and he has plans to be a data scientist and machine learning expert with focus on astrophysical data. Recently, blockchain and cryptocurrencies have been the target of his research and interest and because of his deep knowledge about classic cryptography and PKI, working on the expansion of the future possible usages and alternative blockchains are among his interests.

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