D hates to be dynamic linked

[Don]

Rainer Schuetze wrote:
> I knew that blog, but I expected to find the necessary data somewhere in 
> the "undocumented" (but still available) structures.
> 
> But I had to dig a little deeper into ntdll myself and came up with a 
> patch that is part of the multithread-support for DLLs:
> 
> http://d.puremagic.com/issues/show_bug.cgi?id=3885
> 
> It emulates the behaviour at process startup time, and modifies the data 
> structures so that windows handles the DLL as if it was loaded with the 
> process. This has the nice benefit that you don't need to handle the 
> creation of new threads.
> 
> The downsides are:
> - DLL-unload is disabled, but I think unloading a DLL that uses TLS is 
> problematic anyway)
> - It will leak some pointer-arrays in favor of not causing crashes due 
> to other threads using TLS at same time as reallocating these arrays.
> 
> As XP is not a fast moving target anymore, I hope that ntdll will not 
> change a lot, so it will not need adjustment for every windows-update. 
> I've checked SP2 and SP3, which look very much the same with respect to 
> TLS implementation.
> 
> Rainer

You're totally awesome. This is a game-changer.