Re: [resend PATCH 1/2] ntdll: Implement NtQuerySystemInformationEx(SystemCpuSetInformation).

[Alexandre Julliard]

Paul Gofman  writes:
> @@ -2651,6 +2743,10 @@ NTSTATUS WINAPI NtQuerySystemInformation( SYSTEM_INFORMATION_CLASS class,
>          break;
>      }
> - case SystemCpuSetInformation:
> -
>    return is_win64 ? NtQuerySystemInformationEx(class, NULL, 0, info, size, ret_size)
> -
>            : STATUS_INVALID_INFO_CLASS;
> - case SystemRecommendedSharedDataAlignment:
>    {
>        len = sizeof(DWORD);
>
> @@ -2773,6 +2869,31 @@ NTSTATUS WINAPI NtQuerySystemInformationEx( SYSTEM_INFORMATION_CLASS class,
>          break;
>      }
> - case SystemCpuSetInformation:
> - {
> -
>    unsigned int cpu_count = NtCurrentTeb()->Peb->NumberOfProcessors;
> -
>    PROCESS_BASIC_INFORMATION pbi;
> -
>    HANDLE process;
> -
> -
>    if (!query || query_len < sizeof(HANDLE) || (is_win64 && query_len != sizeof(HANDLE)))
> -
>        return STATUS_INVALID_PARAMETER;

I suspect these 64-bit differences are side-effects of the WoW
translation rather than fundamental limitations. We may not be able to
find a 32-bit Windows version to verify this, but there doesn't seem to
be a reason to deliberately break these calls on 32-bit Wine.