Thankfully I don't have the requirement for an "atomic deletion" of the file, because

• I'm locking a semaphore file
• the target files have unique names
• their content is not security relevant
• it's basically logging for observing state and retrieving errors

But I'm trying to build my solution as OS agnostic as possible.

I will let you know if I find something for "atomic deletion" on Win.°

update

°) though a use case might help to wrap my head around it. And Win has symlinks now...

> I guess I'm happy with the devil I know (Linux).

I still rather feel like a Linuxer even after 5 years in a Win project.