Re: [PATCH v5 0/2] MR4049: ntdll: Implement thread-ID alerts using kqueue()/kevent()

[Brendan Shanks (＠bshanks)]

Thanks for sending this, I added some comments but overall it looks good. 

I think it would be better to put the `ulock` commit into a separate MR, at the very least that will need a version check or `dlopen()`/`dlsym()` to handle pre-10.12 macOS.

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https://gitlab.winehq.org/wine/wine/-/merge_requests/4049#note_49191