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C++ Memory Management

C++ Memory Management

By : Patrice Roy
3.7 (3)
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C++ Memory Management

C++ Memory Management

3.7 (3)
By: Patrice Roy

Overview of this book

Memory management in C++ isn't one-size-fits-all; real-time systems, games, and embedded applications each present unique memory constraints. This book delivers targeted solutions for each domain. Written by ISO C++ Standards Committee member, Patrice Roy, this guide covers fundamental concepts of object lifetime and memory organization to help you write simpler and safer programs. You’ll learn how to control memory allocation mechanisms, create custom containers and allocators, and adapt allocation operators to suit your specific requirements, making your programs smaller, faster, safer, and more predictable. From core principles to modern facilities that simplify your work, you’ll master memory management mechanics, build tailored memory solutions for your application needs, and measure their impact on your program’s behavior. By the end of this book, you’ll be able to write secure programs that handle memory optimally for your application domain. You will also have a strong grasp of both high-level abstractions for safer programs and low-level abstractions that allow detailed customization.
Table of Contents (23 chapters)
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Lock Free Chapter
1
Part 1: Memory in C++
5
Part 2: Implicit Memory Management Techniques
9
Part 3: Taking Control (of Memory Management Mechanisms)
15
Part 4: Writing Generic Containers (and a Bit More)

On destructors: a short recap

This chapter aims to discuss the use of destructors to manage resources, in particular memory, but since we discussed destructors a while ago (in Chapter 1) we will allow ourselves a quick recap of the basic idea behind this powerful idea:

  • When an object reaches the end of its lifetime, a special member function called the destructor is called. For some class X, that member function is named X::~X(). This function is an occasion for type X to perform a few “last-minute” actions before concluding its lifetime. As we will discuss in this chapter, one idiomatic use of the destructor is to release resources held by the object being destroyed;
  • In a class hierarchy, when an object reaches the end of its lifetime, what happens is (a) the destructor for that object gets called, then the same goes for (b) the destructor of each of its non-static data member in order of declaration followed by (c) the destructor of each of its base class...
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Tech Concepts
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Programming languages
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C++ Memory Management
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