Re: [PATCH v2 0/6] MR6630: ntdll, server: Fix various completion port scheduling issues.

[Paul Gofman (＠gofman)]

v2:
 - introduce 'detached' completion waits (with complretion == NULL) only in patch 4 (as before that those NULL completion checks is essentially a 'dangling' logic);
 - Do not recreate completion waits in (remove_completion) if the existing one is for a different IOCP;
 - add more tests for APC vs existing completion priority, modify the handling so removing completion which resulted in APC doesn't associate a thread with completion;
 - drop a couple of confusing completion count checks with STATUS_USER_APC return.

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https://gitlab.winehq.org/wine/wine/-/merge_requests/6630#note_85830