TagAwait

Context Matters

C

Async/await makes asynchronous code much easier to write because it hides away a lot of the details. Many of these details are captured in the SynchronizationContext which may change the behavior of your async code entirely depending on the environment where you’re executing your code (e.g. WPF, Winforms, Console, or ASP.NET). By ignoring the influence of the SynchronizationContext you may run into deadlocks and race conditions. The SynchronizationContext controls how and where task...

The dangers of ThreadLocal

T

Languages and frameworks evolve. We as developers have to learn new things constantly and unlearn already-learned knowledge. Speaking for myself, unlearning is the most difficult part of continuous learning. When I first came into contact with multi-threaded applications in .NET, I stumbled over the ThreadStatic attribute. I made a mental note that this attribute is particularly helpful when you have static fields that should not be shared between threads. At the time that the .NET Framework 4...

TransactionScope and Async/Await. Be one with the flow!

T

I’m doing a series of async/await related blog post on the particular blog. This one might also be interesting for you. You might not know this, but the 4.5.0 version of the .NET Framework contains a serious bug regarding System.Transactions.TransactionScope and how it behaves with ¬†async/await. Because of this bug, a TransactionScope can’t flow through into your asynchronous continuations. This potentially changes the threading context of the transaction, causing exceptions to be...

Async/Await: It’s time

A

I wanted to briefly mention a blog post which I wrote on the particular blog. It is a product centric announcement around the Particular Platform about the move towards an async-only API. Although it is product centric I believe this post contains a lot of valuable information around async/await and its benefits and caveats. In my biased opinion, it is definitely worth a read. Async/Await is a language feature introduced in C# 5.0 together with Visual Studio 2012 and the .NET 4.5 runtime. With...

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