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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 issues

Throughout the previous chapter, we have seen that a modifiable shared state can cause issues when some concurrent tasks are able to change the shared state's value. Exploring this further we might ask, what kind of issues may occur? What is the main reason behind them? We will answer these questions within this section.

First of all, we need to distinguish the different types of concurrency issues that might occur. Some concurrency issues only exist when no concurrency control mechanism is in place, and some are introduced by using a concurrency control technique.

Regarding the issues in the first group, they happen when you can see that different interleavings result in different overall states. Upon identifying one of these issues, the next step of course will be to begin thinking about a suitable fix to resolve said issue.

Regarding the second group, they only arise following a fix being put in place. This means that when you fix a concurrency issue...

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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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