Re: Partial MDI rewrite

[Alexandre Julliard]

Mike Hearn  writes:
> One thing I didn't understanding looking at the DC code was the USER lock.
> Why does USER not use CRITICAL_SECTIONs like everywhere else, instead of
> these syslevel things? Are there MSDN docs on this or is it a purely
> internal thing?

It's a Windows thing but I don't think it's documented. A syslevel is
basically a critical section with checks to make sure you grab the
locks in the right order. It's used for long lived locks like the
Win16 or USER ones.