May, 2009

This is the first in a series of posts where we discuss the reasoning behind “obsoleting” specific APIs. If you use AppDomain.AppendPrivatePath , or look at MSDN , you’ll notice it’s obsolete.  This frustrates people because the alternative suggested...

Managed exception handling is built on Windows OS’s Structured Exception Handling , commonly referred to as SEH (to learn more about SEH, please read Matt Pietrek’s excellent article first). This implies that CLR understands how to interoperate between...

The Dynamic Language Runtime allows you to implement a dynamic language (such as Ruby or Python) on top of the CLR. There are a lot of challenges to making everything work right. One particularly difficult aspect was enabling Ruby to attach arbitrary...

Eric Eilebrecht , a developer on our team, has just started a multi-part series on TheadPool improvements in the upcoming CLR v4.0. The first post is pretty fascinating and begins with a brief introduction on thread pools and it's design. The post deals...

Now that .Net 4 Beta1 is out, you'll see a number of posts on this blog covering new CLR features in CLR 4. Grant Richins, a developer on our team, wrote a post on tail call improvements in CLR 4 at the CLR Code Generation blog . The post deals with...

Surupa Biswas has a post in the CodeGen team blog on new features in NGen coming out as part of CLR 4. The post covers NGen SxS (that's side-by-side) and multi-proc NGen, and goes into detail on the work that went into making Targeted Patching possible...