Async in C# 5.0. Unleash the Power of Async

Spis treści książki

• Async in C# 5.0
• SPECIAL OFFER: Upgrade this ebook with OReilly
• Preface
  • Intended Audience
  • How to Read This Book
  • Conventions Used in This Book
  • Using Code Examples
  • Safari Books Online
  • How to Contact Us
  • Acknowledgments
• 1. Introduction
  • Asynchronous Programming
  • Whats So Great About Asynchronous Code?
  • What Is Async?
  • What Async Does
  • Async Doesnt Solve Everything
• 2. Why Programs Need to Be Asynchronous
  • Desktop User Interface Applications
    • An Analogy: The Cafe
  • Web Application Server Code
    • Another Analogy: The Restaurant Kitchen
  • Silverlight, Windows Phone, and Windows 8
  • Parallel Code
  • An Example
• 3. Writing Asynchronous Code Manually
  • Some Asynchronous Patterns Used in .NET
  • The Simplest Asynchronous Pattern
  • An Introduction to Task
  • The Problem with Manual Asynchrony
  • Converting the Example to Use Manual Asynchronous Code
• 4. Writing Async Methods
  • Converting the Favicon Example to Async
  • Task and await
  • Async Method Return Types
  • Async, Method Signatures, and Interfaces
  • The return Statement in Async Methods
  • Async Methods Are Contagious
  • Async Anonymous Delegates and Lambdas
• 5. What await Actually Does
  • Hibernating and Resuming a Method
  • The State of the Method
  • Context
  • Where await Cant Be Used
    • catch and finally Blocks
    • lock Blocks
    • LINQ Query Expressions
    • Unsafe Code
  • Exception Capture
  • Async Methods Are Synchronous Until Needed
• 6. The Task-Based Asynchronous Pattern
  • What the TAP Specifies
  • Using Task for Compute-Intensive Operations
  • Creating a Puppet Task
  • Interacting with Old Asynchronous Patterns
  • Cold and Hot Tasks
  • Up-Front Work
• 7. Utilities for Async Code
  • Delaying for a Period of Time
  • Waiting for a Collection of Tasks
  • Waiting for Any One Task from a Collection
  • Creating Your Own Combinators
  • Cancelling Asynchronous Operations
  • Returning Progress During an Asynchronous Operation
• 8. Which Thread Runs My Code?
  • Before the First await
  • During the Asynchronous Operation
  • SynchronizationContext in Detail
  • await and SynchronizationContext
  • The Lifecycle of an Async Operation
  • Choosing Not to Use SynchronizationContext
  • Interacting with Synchronous Code
• 9. Exceptions in Async Code
  • Exceptions in Async Task-Returning Methods
  • Unobserved Exceptions
  • Exceptions in Async void Methods
  • Fire and Forget
  • AggregateException and WhenAll
  • Throwing Exceptions Synchronously
  • finally in Async Methods
• 10. Parallelism Using Async
  • await and locks
  • Actors
  • Using Actors in C#
  • Task Parallel Library Dataflow
• 11. Unit Testing Async Code
  • The Problem with Unit Testing in Async
  • Writing Working Async Tests Manually
  • Using Unit Test Framework Support
• 12. Async in ASP.NET Applications
  • Advantages of Asynchronous Web Server Code
  • Using Async in ASP.NET MVC 4
  • Using Async in Older Versions of ASP.NET MVC
  • Using Async in ASP.NET Web Forms
• 13. Async in WinRT Applications
  • What Is WinRT?
  • IAsyncAction and IAsyncOperation<T>
  • Cancellation
  • Progress
  • Providing Asynchronous Methods in a WinRT Component
• 14. The Async Compiler Transformin Depth
  • The stub Method
  • The State Machine Struct
  • The MoveNext Method
    • Your Code
    • Transforming Returns to Completions
    • Get to the Right Place in the Method
    • Pausing the Method for the await
    • Resuming after the Await
    • Completing Synchronously
    • Catching Exceptions
    • More Complicated Code
  • Writing Custom Awaitable Types
  • Interacting with the Debugger
• 15. The Performance of Async Code
  • Measuring Async Overhead
  • Async Versus Blocking for a Long-Running Operation
  • Optimizing Async Code for a Long-Running Operation
  • Async Versus Manual Asynchronous Code
  • Async Versus Blocking Without a Long-Running Operation
  • Optimizing Async Code Without a Long-Running Operation
  • Async Performance Summary
• About the Author
• SPECIAL OFFER: Upgrade this ebook with OReilly
• Copyright

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