.NET 本事－非同步程式設計
.NET 本事－非同步程式設計
關於本書
（本書目前為 alpha 版，內容仍在持續更新）
這本書的目標是讓讀者了解：
- 非同步呼叫與執行緒等相關基礎概念。
- .NET 平台目前主流的非同步程式 API，包括 TPL 與 C# 的 async 與 await 語法（舊的 API 與寫法僅簡單帶過）。
- 非同步呼叫的建議寫法，以及如何避免一些常犯的錯誤。
- 撰寫多執行緒應用程式時，經常需要用到的同步化技巧。
- 其他實用的 API。
關於作者
Bundles that include this book
Table of Contents
-
關於本書
- 誰適合閱讀本書
- 在何處購買
- 書寫慣例
- 本書用到的工具
- 範例程式與補充資料
- 版本更新紀錄
- 關於作者
-
1. 從零開始
- 1.1 話說從頭：處理序與執行緒
-
1.2 執行緒帶來的負擔
- 1.2.1 Context Switch
-
1.3 爭先恐後－關於優先順序
- 1.3.1 處理序的優先順序
- 1.3.2 執行緒的優先順序
- 1.4 並行、平行、非同步
- 1.5 本章回顧
-
2. .NET 非同步 API 概覽
-
2.1 專屬執行緒
- 2.1.1 建立與啟動執行緒
- 2.1.2 等待與暫停執行緒
- 2.1.3 共享變數
- 2.1.4 執行緒同步化
- 2.1.5 前景執行緒 vs. 背景執行緒
- 2.1.6 使用專屬執行緒的時機
-
2.2 執行緒集區
- 2.2.1 執行緒集區的運作方式
- 2.2.2 工作執行緒與 I/O 執行緒
- 2.2.3 使用執行緒集區
- 2.3 非同步程式設計模型（APM）
- 2.4 基於事件的非同步模式（EAP）
-
2.5 基於工作的非同步模式（TAP）
- 2.5.1 工作平行程式庫（TPL）
- 2.5.2 建立與起始非同步工作
- 2.6 非同步程式設計
- 2.7 重點回顧
-
2.1 專屬執行緒
-
3. async 與 await 基礎
- 3.1 基礎觀念：控制流
-
3.2 Hello, async / await
- 3.2.1 範例：同步呼叫
- 3.2.2 範例：非同步呼叫
-
3.3 關鍵字
async與await的作用 -
3.4 避免使用
async void - 3.5 Async Main 方法
- 3.6 觀察執行緒切換過程
-
3.7 我的程式當掉了？！
-
3.7.1
SynchronizationContext - 3.7.2 鎖死的原因與解法
- 3.7.3 Windows Forms 程式鎖死的範例
-
3.7.1
- 3.8 重點回顧
-
4. 非同步程式設計常用技巧
-
4.1 非同步方法的各種樣貌
- 4.1.1 非同步介面方法
- 4.1.2 非同步屬性？
- 4.1.3 非同步建構函式？
- 4.1.4 非同步 Lambda
-
4.2 非同步延遲
- 4.2.1 重試機制
-
4.3 傳回已完成的工作
- 4.3.1 不要 await Task.FromResult()
-
4.4 等待工作完成
- 4.4.1 等待一組工作完成
- 4.4.2 等待任意一個工作完成
- 4.5 取消工作
-
4.6 工作的延續
- 4.6.1 串接與組合多項工作
-
4.6.2
TaskContinuationOptions - 4.6.3 取消「中間的」延續工作
-
4.7 混合使用同步與非同步方法
- 4.7.1 在非同步方法中呼叫同步方法
- 4.7.2 在同步方法中呼叫非同步方法
- 4.7.3 不要寫假的 async 方法
- 4.8 進度回報
- 4.9 錯誤處理
- 4.10 為非同步方法撰寫單元測試
- 4.11 重點回顧
-
4.1 非同步方法的各種樣貌
關於出版社
This book is published on Leanpub by Ministep Books
Leanpub 無條件、無風險的 100% 滿意保證
從付款之後的 45 天內，只要點個兩下，你就可以完成退書並且取回先前支付的全數金額。退書是採用人工作業，因此可能需要花幾天的時間才能完成整個程序。
See full terms.
Do Well. Do Good.
Authors have earned$10,788,735writing, publishing and selling on Leanpub, earning 80% royalties while saving up to 25 million pounds of CO2 and up to 46,000 trees.
Learn more about writing on Leanpub
Free Updates. DRM Free.
If you buy a Leanpub book, you get free updates for as long as the author updates the book! Many authors use Leanpub to publish their books in-progress, while they are writing them. All readers get free updates, regardless of when they bought the book or how much they paid (including free).
Most Leanpub books are available in PDF (for computers), EPUB (for phones and tablets) and MOBI (for Kindle). The formats that a book includes are shown at the top right corner of this page.
Finally, Leanpub books don't have any DRM copy-protection nonsense, so you can easily read them on any supported device.
Learn more about Leanpub's ebook formats and where to read them
Top Books
- #1
Aprendiendo Git
Miguel Angel Durán GarcíaGit no es complicado... ¡Si lo entiendes! 😜
¿Sientes que sabes usarlo porque has memorizado todos los comandos que necesitas? ¡Pero no entiendes qué hace cada cosa y por qué! Así es normal que, cuando exista un problema, te cueste resolverlo.
¡Con este libro vas a entender de una vez por todas todo lo que es Git y cómo sacarle provecho!
- #2
C++20
Rainer GrimmC++20 is the next big C++ standard after C++11. As C++11 did it, C++20 changes the way we program modern C++. This change is, in particular, due to the big four of C++20: ranges, coroutines, concepts, and modules.
- #3
Introducing EventStorming
Alberto BrandoliniThe deepest tutorial and explanation about EventStorming, straight from the inventor.
- #4
Rector - The Power of Automated Refactoring
Matthias Noback and Tomas VotrubaLearn how to automatically and continuously upgrade and improve your PHP code base
- #5
Atomic Kotlin
Bruce Eckel and Svetlana IsakovaFor both beginning and experienced programmers! From the author of the multi-award-winning Thinking in C++ and Thinking in Java and a Kotlin team member comes a book that breaks concepts into small, easy-to-digest "atoms," along with exercises supported by hints and solutions directly inside IntelliJ IDEA! Full support at www.AtomicKotlin.com.
- #6
Functional Programming Made Easier
Charles ScalfaniA Functional Programming book from beginner to advanced without skipping a single step along the way.
In my 40 years of programming, I've felt that programming books always let me down, especially Functional Programming books. So, I wrote the book I wish I had 5 years ago.
Functional Programming will never be easy, but it can be easier.
- #7
Ansible for DevOps
Jeff GeerlingAnsible is a simple, but powerful, server and configuration management tool. Learn to use Ansible effectively, whether you manage one server—or thousands.
- #8
On Java 8
Bruce EckelBy the author of "Thinking in Java," covering version 8 of the Java programming language. This book is intended for “dedicated beginners.” It doesn’t assume you know anything about programming and takes you through the material step-by-step. However, I assume you are able to figure things out. It’s not a “dummies” or “idiot’s” guide.
- #9
OpenIntro Statistics
David Diez, Christopher Barr, Mine Cetinkaya-Rundel, and OpenIntroA complete foundation for Statistics, also serving as a foundation for Data Science.
Leanpub revenue supports OpenIntro (US-based nonprofit) so we can provide free desk copies to teachers interested in using OpenIntro Statistics in the classroom and expand the project to support free textbooks in other subjects.
More resources: openintro.org.
- #10
Effective Kotlin
Marcin MoskałaEffective Kotlin summarizes the best practices and experiences of the Kotlin community, together with a deep explanation of some lesser-known Kotlin functionalities. All of the best practices are presented as simple rules with detailed explanations.
Top Bundles
- #1
CCIE Service Provider Ultimate Study Bundle
2 Books
Piotr Jablonski, Lukasz Bromirski, and Nick Russo have joined forces to deliver the only CCIE Service Provider training resource you'll ever need. This bundle contains a detailed and challenging collection of workbook labs, plus an extensively detailed technical reference guide. All of us have earned the CCIE Service Provider certification... - #2
Software Architecture for Developers: Volumes 1 & 2 - Technical leadership and communication
2 Books
"Software Architecture for Developers" is a practical and pragmatic guide to modern, lightweight software architecture, specifically aimed at developers. You'll learn:The essence of software architecture.Why the software architecture role should include coding, coaching and collaboration.The things that you really need to think about before... - #3
Modern C++ Collection
3 Books
Get All about Modern C++C++ Standard Library, including C++20Concurrency with Modern C++, including C++20C++20Each book has about 200 complete code examples. Updates are included. When I update one of the books, you immediately get the updated bundle. You can expect significant updates to each new C++ standard (C++23, C++26, .. ) and also... - #4
The Python Craftsman
3 Books
The Python Craftsman series comprises The Python Apprentice, The Python Journeyman, and The Python Master. The first book is primarily suitable for for programmers with some experience of programming in another language. If you don't have any experience with programming this book may be a bit daunting. You'll be learning not just a programming... - #6
"The C++ Standard Library" and "Concurrency with Modern C++"
2 Books
Get my books "The C++ Standard Library" and "Concurrency with Modern C++" in a bundle. The first book gives you the details you should know about the C++ standard library; the second one dives deeper into concurrency with modern C++. In sum, you get more than 600 pages full of modern C++ and about 250 source files presenting the standard library... - #7
10 Books Bundle - A New Career in Tech 🚀
10 Books
Do you want to create yourself a new and profitable skillset - in one year or less? Do you want to position yourself on the right side of change finally? Do you want to work from home and set your own work schedule while choosing fun and interesting coding projects? Software developers and freelance developersearn six figuresin the US, according... - #9
Pattern-Oriented Memory Forensics and Malware Detection
2 Books
This training bundle for security engineers and researchers, malware and memory forensics analysts includes two accelerated training courses for Windows memory dump analysis using WinDbg. It is also useful for technical support and escalation engineers who analyze memory dumps from complex software environments and need to check for possible...
