2010/8/17 Ozkan Sezer <[email protected]>:
> On Tue, Aug 17, 2010 at 3:50 PM, Kai Tietz <[email protected]> wrote:
>> 2010/8/17 Pete Batard <[email protected]>:
>>> On 2010.08.17 12:55, Kai Tietz wrote:
>>>> Pete,
>>>>
>>>> could you provide us a list of the Interlock* API, which has stdcall
>>>> calling convention by our findings? Please just list names of those
>>>> functions and don't copy from VC's header-set. So we can adjust things
>>>> for win32 more easily without violating EULA.
>>>
>>> Thanks for the speedy replies.
>>>
>>> As far as we are concerned, we only had InterlockedExchange and
>>> InterlockedIncrement being a problem, as these are the only 2 call from
>>> Interlocked API we use.
>>>
>>> The following is copied from MinGW32's winbase.h [1] which should work
>>> with your EULA. It looks like you might need to add some #ifdefs as well:
>>>
>>> #if !(__USE_NTOSKRNL__)
>>> /* CAREFUL: These are exported from ntoskrnl.exe and declared in winddk.h
>>>    as __fastcall functions, but are  exported from kernel32.dll as
>>> __stdcall */
>>> #if (_WIN32_WINNT >= 0x0501)
>>> WINBASEAPI VOID WINAPI InitializeSListHead(PSLIST_HEADER);
>>> #endif
>>> #ifndef __INTERLOCKED_DECLARED
>>> #define __INTERLOCKED_DECLARED
>>> LONG WINAPI InterlockedCompareExchange(LONG volatile *,LONG,LONG);
>>> /* PVOID WINAPI InterlockedCompareExchangePointer(PVOID*,PVOID,PVOID); */
>>> #define InterlockedCompareExchangePointer(d,e,c) \
>>>     (PVOID)InterlockedCompareExchange((LONG volatile
>>> *)(d),(LONG)(e),(LONG)(c))
>>> LONG WINAPI InterlockedDecrement(LONG volatile *);
>>> LONG WINAPI InterlockedExchange(LONG volatile *,LONG);
>>> /* PVOID WINAPI InterlockedExchangePointer(PVOID*,PVOID); */
>>> #define InterlockedExchangePointer(t,v) \
>>>     (PVOID)InterlockedExchange((LONG volatile *)(t),(LONG)(v))
>>> LONG WINAPI InterlockedExchangeAdd(LONG volatile *,LONG);
>>> #if (_WIN32_WINNT >= 0x0501)
>>> PSLIST_ENTRY WINAPI InterlockedFlushSList(PSLIST_HEADER);
>>> #endif
>>> LONG WINAPI InterlockedIncrement(LONG volatile *);
>>> #if (_WIN32_WINNT >= 0x0501)
>>> PSLIST_ENTRY WINAPI InterlockedPopEntrySList(PSLIST_HEADER);
>>> PSLIST_ENTRY WINAPI InterlockedPushEntrySList(PSLIST_HEADER,PSLIST_ENTRY);
>>> #endif
>>> #endif /* __INTERLOCKED_DECLARED */
>>> #endif /*  __USE_NTOSKRNL__ */
>>>
>>> Regards,
>>>
>>> /Pete
>>>
>>> [1]
>>> http://cygwin.com/cgi-bin/cvsweb.cgi/src/winsup/w32api/include/winbase.h?rev=1.98&content-type=text/x-cvsweb-markup&cvsroot=src
>>
>> Ozkan,
>>
>> do you remember the issue we had about _Interlocked and the
>> Interlocked... API? As more as I think about it as more it seems to me
>> that the leading underscore variant has cdecl, and the none-underscore
>> variant has stdcall convention.
>
> Can't remember. Let me try and dig old stuff and see if I can find anything
>
>> Fridrich: Could you try to enlight us here?
>>
>> Kai
>>

Yeah, this could make sense that Interlocked... is for x86 stdcall,
and _Interlocked... is cdecl. As you can see in winbase.h that for
ia64 and x64 the Interlocked... API is treated like the
_Interlocked... API (as here no calling convention differences are
used). But for x86 this doesn't happen.

So I am pretty sure that this is the jumping point we misinterpreted here.

Kai

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