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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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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)

The RAII idiom

C++ programmers tend to use destructors to automate the releasing of resources, and this can truly be said to be an idiomatic programming technique in our language, so much that we have given it a name. Probably not the best of names, but a well-known name nonetheless: RAII, which stands for Resource acquisition is initialization (some have also suggested Responsibility acquisition is initialization, which also works and carries a similar meaning). The general idea is that objects tend to acquire resources at construction time (or later), but (and more importantly!) that releasing resources held by an object is something that usually should be done at the end of that object’s lifetime. Thus, RAII has more to do with destructors than with constructors, but as I said, we tend to be bad with names and acronyms.

Revisiting our file reading and processing example from the Managing resources section, earlier in this chapter, we can build an RAII resource handler...

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C++ Memory Management
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