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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
Languages
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

Introduction to runtimes and why we need them

As you know by now, you need to bring your own runtime for driving and scheduling asynchronous tasks in Rust.

Runtimes come in many flavors, from the popular Embassy embedded runtime (https://github.com/embassy-rs/embassy), which centers more on general multitasking and can replace the need for a real-time operating system (RTOS) on many platforms, to Tokio (https://github.com/tokio-rs/tokio), which centers on non-blocking I/O on popular server and desktop operating systems.

All runtimes in Rust need to do at least two things: schedule and drive objects implementing Rust’s Future trait to completion. Going forward in this chapter, we’ll mostly focus on runtimes for doing non-blocking I/O on popular desktop and server operating systems such as Windows, Linux, and macOS. This is also by far the most common type of runtime most programmers will encounter in Rust.

Taking control over how tasks are scheduled is very invasive...

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