Re: [PATCH v5 0/5] MR741: ntdll: Implement NtFlushProcessWriteBuffers.

[Zebediah Figura (＠zfigura)]

Zebediah Figura (@zfigura) commented about dlls/ntdll/unix/server.c:
> sigset_t old_set;
>      int signaled;
>
> +    /* ensure writes so far are visible to other threads */
> +    MemoryBarrier();
> +

I don't think this is a sufficient explanation. What reordering does this prevent? What memory barrier is this paired with? (Itself?)

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https://gitlab.winehq.org/wine/wine/-/merge_requests/741#note_12077