Concurrency in C# Cookbook - Asynchronous, Parallel, and Multithreaded Programming

If you’re one of many developers still uncertain about concurrent and multithreaded development, this practical cookbook will change your mind. With more than 85 code-rich recipes in this updated second edition, author Stephen Cleary demonstrates parallel processing and asynchronous programming techniques using libraries and language features in .NET and C# 8.0.

Posted by Box XV on April 29, 2020. 5 min read.

Concurrency in C# Cookbook: Asynchronous, Parallel, and Multithreaded Programming

✅ Publisher: O’Reilly Media

✅ Year: August 20, 2019

✅ Authors: Stephen Cleary

✅ Language: English

✅ Pages: 254

✅ Size: 2.38 MB

Concurrency is now more common in responsive and scalable application development, but it’s still extremely difficult to code. The detailed solutions in this cookbook show you how modern tools raise the level of abstraction, making concurrency much easier than before. Complete with ready-to-use code and discussions about how and why solutions work, these recipes help you:

  • Get up to speed on concurrency and async and parallel programming
  • Use async and await for asynchronous operations
  • Enhance your code with asynchronous streams
  • Explore parallel programming with .NET’s Task Parallel Library
  • Create dataflow pipelines with .NET’s TPL Dataflow library
  • Understand the capabilities that System.Reactive builds on top of LINQ
  • Utilize threadsafe and immutable collections
  • Learn how to conduct unit testing with concurrent code
  • Make the thread pool work for you
  • Enable clean, cooperative cancellation
  • Examine scenarios for combining concurrent approaches
  • Dive into asynchronous-friendly object-oriented programming
  • Recognize and write adapters for code using older asynchronous styles

Table of contents

Preface

  • Who Should Read This Book
  • Why I Wrote This Book
  • Navigating This Book
  • Online Resources
  • Conventions Used in This Book
  • Safari® Books Online
  • How to Contact Us
  • Acknowledgments

Chapter 1. Concurrency: An Overview

1.1. Introduction to Concurrency

1.2. Introduction to Asynchronous Programming

1.3. Introduction to Parallel Programming

1.4. Introduction to Reactive Programming (Rx)

1.5. Introduction to Dataflows

1.6. Introduction to Multithreaded Programming

1.7. Collections for Concurrent Applications

1.8. Modern Design

1.9. Summary of Key Technologies

Chapter 2. Async Basics

2.1. Pausing for a Period of Time

  • Problem, Solution, Discussion, See Also

2.2. Returning Completed Tasks

  • Problem, Solution, Discussion, See Also

2.3. Reporting Progress

  • Problem, Solution, Discussion, See Also

2.4. Waiting for a Set of Tasks to Complete

  • Problem, Solution, Discussion, See Also

2.5. Waiting for Any Task to Complete

  • Problem, Solution, Discussion, See Also

2.6. Processing Tasks as They Complete

  • Problem, Solution, Discussion, See Also

2.7. Avoiding Context for Continuations

  • Problem, Solution, Discussion, See Also

2.8. Handling Exceptions from async Task Methods

  • Problem, Solution, Discussion, See Also

2.9. Handling Exceptions from async void Methods

  • Problem, Solution, Discussion, See Also

2.10. Creating a ValueTask

2.11. Consuming a ValueTask

Chapter 3: Asynchronous Streams

  • Asynchronous Streams and Task
  • Asynchronous Streams and IEnumerable
  • Asynchronous Streams and Task<IEnumerable>
  • Asynchronous Streams and IObservable
  • Summary

3.1. Creating Asynchronous Streams

3.2. Consuming Asynchronous Streams

3.3. Using LINQ with Asynchronous Streams

3.4. Asynchronous Streams and Cancellation

Chapter 4: Parallel Basics

4.1. Parallel Processing of Data

  • Problem, Solution, Discussion, See Also

4.2. Parallel Aggregation

  • Problem, Solution, Discussion, See Also

4.3. Parallel Invocation

  • Problem, Solution, Discussion, See Also

4.4. Dynamic Parallelism

  • Problem, Solution, Discussion, See Also

4.5. Parallel LINQ

  • Problem, Solution, Discussion, See Also

Chapter 5: Dataflow Basics

5.1. Linking Blocks

  • Problem, Solution, Discussion, See Also

5.2. Propagating Errors

  • Problem, Solution, Discussion, See Also

5.3. Unlinking Blocks

  • Problem, Solution, Discussion, See Also

5.4. Throttling Blocks

  • Problem, Solution, Discussion, See Also

5.5. Parallel Processing with Dataflow Blocks

  • Problem, Solution, Discussion, See Also

5.6. Creating Custom Blocks

  • Problem, Solution, Discussion, See Also

Chapter 6: System.Reactive Basics

6.1. Converting .NET Events

  • Problem, Solution, Discussion, See Also

6.2. Sending Notifications to a Context

  • Problem, Solution, Discussion, See Also

6.3. Grouping Event Data with Windows and Buffers

  • Problem, Solution, Discussion, See Also

6.4. Taming Event Streams with Throttling and Sampling

  • Problem, Solution, Discussion, See Also

6.5. Timeouts

  • Problem, Solution, Discussion, See Also

Chapter 7: Testing

7.1. Unit Testing async Methods

  • Problem, Solution, Discussion, See Also

7.2. Unit Testing async Methods Expected to Fail

  • Problem, Solution, Discussion, See Also

7.3. Unit Testing async void Methods

  • Problem, Solution, Discussion, See Also

7.4. Unit Testing Dataflow Meshes

  • Problem, Solution, Discussion, See Also

7.5. Unit Testing System.Reactive Observables

  • Problem, Solution, Discussion, See Also

7.6. Unit Testing System.Reactive Observables with Faked Scheduling

  • Problem, Solution, Discussion, See Also

Chapter 8: Interop

8.1. Async Wrappers for “Async” Methods with “Completed” Events

  • Problem, Solution, Discussion, See Also

8.2. Async Wrappers for “Begin/End” Methods

  • Problem, Solution, Discussion, See Also

8.3. Async Wrappers for Anything

  • Problem, Solution, Discussion, See Also

8.4. Async Wrappers for Parallel Code

  • Problem, Solution, Discussion, See Also

8.5. Async Wrappers for System.Reactive Observables

  • Problem, Solution, Discussion, See Also

8.6. System.Reactive Observable Wrappers for async Code

  • Problem, Solution, Discussion, See Also

8.7. Asynchronous Streams and Dataflow Meshes

  • Problem, Solution, Discussion, See Also

8.8. System.Reactive Observables and Dataflow Meshes

  • Problem, Solution, Discussion, See Also

8.9. Converting System.Reactive Observables to Asynchronous Streams

  • Problem, Solution, Discussion, See Also

Chapter 9: Collections

9.1. Immutable Stacks and Queues

  • Problem, Solution, Discussion, See Also

9.2. Immutable Lists

  • Problem, Solution, Discussion, See Also

9.3. Immutable Sets

  • Problem, Solution, Discussion, See Also

9.4. Immutable Dictionaries

  • Problem, Solution, Discussion, See Also

9.5. Threadsafe Dictionaries

  • Problem, Solution, Discussion, See Also

9.6. Blocking Queues

  • Problem, Solution, Discussion, See Also

9.7. Blocking Stacks and Bags

  • Problem, Solution, Discussion, See Also

9.8. Asynchronous Queues

9.9. Throttling Queues

9.10. Sampling Queues

9.11. Asynchronous Stacks and Bags

9.12. Blocking/Asynchronous Queues

  • Problem, Solution, Discussion, See Also

Chapter 10: Cancellation

10.1. Issuing Cancellation Requests

  • Problem, Solution, Discussion, See Also

10.2. Responding to Cancellation Requests by Polling

  • Problem, Solution, Discussion, See Also

10.3. Canceling Due to Timeouts

  • Problem, Solution, Discussion, See Also

10.4. Canceling async Code

  • Problem, Solution, Discussion, See Also

10.5. Canceling Parallel Code

  • Problem, Solution, Discussion, See Also

10.6. Canceling System.Reactive Code

  • Problem, Solution, Discussion, See Also

10.7. Canceling Dataflow Meshes

  • Problem, Solution, Discussion, See Also

10.8. Injecting Cancellation Requests

  • Problem, Solution, Discussion, See Also

10.9. Interop with Other Cancellation Systems

  • Problem, Solution, Discussion, See Also

Chapter 11: Functional-Friendly OOP

11.1. Async Interfaces and Inheritance

  • Problem, Solution, Discussion, See Also

11.2. Async Construction: Factories

  • Problem, Solution, Discussion, See Also

11.3. Async Construction: The Asynchronous Initialization Pattern

  • Problem, Solution, Discussion, See Also

11.4. Async Properties

  • Problem, Solution, Discussion, See Also

11.5. Async Events

  • Problem, Solution, Discussion, See Also

11.6. Async Disposal

  • Problem, Solution, Discussion, See Also

Chapter 12: Synchronization

12.1. Blocking Locks

  • Problem, Solution, Discussion, See Also

12.2. Async Locks

  • Problem, Solution, Discussion, See Also

12.3. Blocking Signals

  • Problem, Solution, Discussion, See Also

12.4. Async Signals

  • Problem, Solution, Discussion, See Also

12.5. Throttling

  • Problem, Solution, Discussion, See Also

Chapter 13: Scheduling

13.1. Scheduling Work to the Thread Pool

  • Problem, Solution, Discussion, See Also

13.2. Executing Code with a Task Scheduler

  • Problem, Solution, Discussion, See Also

13.3. Scheduling Parallel Code

  • Problem, Solution, Discussion, See Also

13.4. Dataflow Synchronization Using Schedulers

  • Problem, Solution, Discussion, See Also

Chapter 14: Scenarios

14.1. Initializing Shared Resources

  • Problem, Solution, Discussion, See Also

14.2. System.Reactive Deferred Evaluation

  • Problem, Solution, Discussion, See Also

14.3. Asynchronous Data Binding

  • Problem, Solution, Discussion, See Also

14.4. Implicit State

  • Problem, Solution, Discussion, See Also

14.5. Identical Synchronous and Asynchronous Code

14.6. Railway Programming with Dataflow Meshes

14.7. Throttling Progress Updates

Legacy Platform Support

  • Legacy Platform Support for Async
  • Legacy Platform Support for Dataflow
  • Legacy Platform Support for System.Reactive

Recognizing and Interpreting Asynchronous Patterns

  • Task-Based Asynchronous Pattern (TAP)
  • Asynchronous Programming Model (APM)
  • Event-Based Asynchronous Programming (EAP)
  • Continuation Passing Style (CPS)
  • Custom Async Patterns
  • ISynchronizeInvoke

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