Re: [PATCH 0/4] MR7797: ntdll: Wait for all pending operations to be cancelled in NtCancelIoFile[Ex]().

[Alex Henrie (＠alexhenrie)]

Alex Henrie (@alexhenrie) commented about dlls/ntdll/tests/pipe.c:
>  ok(res == STATUS_PENDING, "NtFsControlFile returned %lx\n", res);
>
>  res = pNtCancelIoFile(hPipe, &cancel_sb);
> - /* Save Status first thing after the call. We want to make very unlikely
> -
> * that the kernel APC updating Status could be executed after the call
> -
> * but before peeking at Status here. */
> - status = iosb.Status;

If we want to be sure that `status` is saved immediately, should we make it volatile?