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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

Create Your Own Event Queue

In this chapter, we’ll create a simple version of an event queue using epoll. We’ll take inspiration from mio (, a low-level I/O library written in Rust that underpins much of the Rust async ecosystem. Taking inspiration from mio has the added benefit of making it easier to dive into their code base if you wish to explore how a real production-ready library works.

By the end of this chapter, you should be able to understand the following:

  • The difference between blocking and non-blocking I/O
  • How to use epoll to make your own event queue
  • The source code of cross-platform event queue libraries such as mio
  • Why we need an abstraction layer on top of epoll, kqueue, and IOCP if we want a program or library to work across different platforms

We’ve divided the chapter into the following sections:

  • Design and introduction to epoll
  • The ffi module
  • The Poll module
  • The...
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