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Hands-On System Programming with C++

You're reading from   Hands-On System Programming with C++ Build performant and concurrent Unix and Linux systems with C++17

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Product type Paperback
Published in Dec 2018
Publisher Packt
ISBN-13 9781789137880
Length 552 pages
Edition 1st Edition
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Author (1):
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Dr. Rian Quinn Dr. Rian Quinn
Author Profile Icon Dr. Rian Quinn
Dr. Rian Quinn
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Table of Contents (16) Chapters Close

Preface 1. Getting Started with System Programming 2. Learning the C, C++17, and POSIX Standards FREE CHAPTER 3. System Types for C and C++ 4. C++, RAII, and the GSL Refresher 5. Programming Linux/Unix Systems 6. Learning to Program Console Input/Output 7. A Comprehensive Look at Memory Management 8. Learning to Program File Input/Output 9. A Hands-On Approach to Allocators 10. Programming POSIX Sockets Using C++ 11. Time Interfaces in Unix 12. Learning to Program POSIX and C++ Threads 13. Error – Handling with Exceptions 14. Assessments 15. Other Books You May Enjoy

Chapter 7

  1. new() allocates a single object, while new() allocates an array of objects.
  2. No.
  3. Global memory is visible to the entire program, while static memory (defined globally) is only visible to the source file in which it is defined.
  4. By leveraging an alias with the alignas() function, such as using aligned_int alignas(0x1000) = int;.
  1. Not in C++17 and below
  2. std::shared_ptr should only be used if more than one object must own the memory (that is, the memory needs to be able to be released by more than one object in any order and at any time).
  3. Yes (depending on the operating system and permissions).
  4. If you allocate 4 bytes and use 3, you have created internal fragmentation (wasted memory). If you allocate memory in such a way that the allocator no longer has contiguous blocks of memory to give out (even if it has a lot of free memory), you have created external fragmentation...
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