Thread creation, the CRT and DLL's how is it meant to be done?

Question

So I understand that CreateThread and the CRT can result in memory leaks, signal doesn\'t work, and one should use the _beginthread or _beginthreadex functions.

That is

Answer 1

There are two options:

1. Do not use CRT from the DLL.
2. Ship multiple DLLs, one for every supported tool-chain version.

Where 1 is not an acceptable solution, 2 is chosen. Note that you have to ship multiple DLLs anyway, e.g. if your users compile for 32-bit and 64-bit architecture.