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Asynchronous Programming in Rust

You're reading from  Asynchronous Programming in Rust

Product type Book
Published in Feb 2024
Publisher Packt
ISBN-13 9781805128137
Pages 306 pages
Edition 1st Edition
Author (1):
Carl Fredrik Samson Carl Fredrik Samson
Profile icon Carl Fredrik Samson

Table of Contents (16) Chapters

Preface 1. Part 1:Asynchronous Programming Fundamentals
2. Chapter 1: Concurrency and Asynchronous Programming: a Detailed Overview 3. Chapter 2: How Programming Languages Model Asynchronous Program Flow 4. Chapter 3: Understanding OS-Backed Event Queues, System Calls, and Cross-Platform Abstractions 5. Part 2:Event Queues and Green Threads
6. Chapter 4: Create Your Own Event Queue 7. Chapter 5: Creating Our Own Fibers 8. Part 3:Futures and async/await in Rust
9. Chapter 6: Futures in Rust 10. Chapter 7: Coroutines and async/await 11. Chapter 8: Runtimes, Wakers, and the Reactor-Executor Pattern 12. Chapter 9: Coroutines, Self-Referential Structs, and Pinning 13. Chapter 10: Creating Your Own Runtime 14. Index 15. Other Books You May Enjoy

An example we can build upon

This is a short example where we will create our own stack and make our CPU return out of its current execution context and over to the stack we just created. We will build on these concepts in the following chapters.

Setting up our project

First, let’s start a new project by creating a folder named a-stack-swap. Enter the new folder and run the following:

cargo init


You can also navigate to the folder called ch05/a-stack-swap in the accompanying repository and see the whole example there.

In our, we start by importing the asm! macro:


use core::arch::asm;

Let’s set a small stack size of only 48 bytes here so that we can print the stack and look at it before we switch contexts after we get the first example to work:

const SSIZE: isize = 48;


There seems to be an issue in macOS using such a small stack. The minimum for this code to run is a stack size of 624 bytes...

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