kernel32: add a stub for CancelSynchronousIo

[Nikolay Sivov]

On 13.10.2015 12:12, Austin English wrote:
> On Mon, Oct 12, 2015 at 8:15 PM, Dmitry Timoshkov <dmitry at baikal.ru> wrote:
>> Austin English <austinenglish at gmail.com> wrote:
>>
>>> +BOOL WINAPI CancelSynchronousIo(HANDLE thread)
>>> +{
>>> +    FIXME("(%p): stub\n", thread);
>>> +    SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
>>> +    return FALSE;
>>> +}
>> ...
>>> +@ stdcall CancelSynchronousIo(ptr)
>>
>> Please have a look at other .spec file entries how a thread handle (or HANDLE
>> in general) is supposed to be represented.
>>
>> --
>> Dmitry.
>
> Thanks for the tip, though it appears that several functions have this
> wrong. E.g.,
> kernel32.spec:@ stdcall FindVolumeClose(ptr)
> kernel32.spec:@ stdcall FindVolumeMountPointClose(ptr)
> volume.c:BOOL WINAPI FindVolumeClose(HANDLE handle)
> volume.c:BOOL WINAPI FindVolumeMountPointClose(HANDLE h)

In practice it means no difference if it's ptr or long for HANDLEs. But 
I guess for consistency it's definitely better to use 'long'.

>
> Anyway, I'll send a fixed version. Thanks for reviewing.
>