Re: [PATCH v13 0/6] MR729: Draft: windows.media.speech: Initial recognition session work.

[Jinoh Kang (＠iamahuman)]

> The problem I see here is that a new worker could be spawned prematurely when I set`session->worker_thread = NULL;` before waiting on the thread.
> This could then cause races.

Yes, you should use an invalid sentinel value or flip the LSB of the handle (`(HANDLE)((ULONG_PTR)handle | 1)`) instead.

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https://gitlab.winehq.org/wine/wine/-/merge_requests/729#note_20994