[SDL] SDL_CreateThread with C++ method as a parameter

[Guilherme Farrer]

2008/3/22, PS3-690 <daimler3 at googlemail.com>:
> Hello,
>
> I have a problem with SDL_CreateThread. I want to use it with a C++ method:
> SDL_CreateThread(function, NULL);
> But then I get an Error:
> "argument of type `int (Class::)(void*)' does not match `int (*)(void*)"

The problem is that the C++ pointer to a class member function is
different from a pointer to a C function (and SDL_CreateThread expects
a C function). To fix this, create the thread with a C function (not
to a C++ one).

>
> Searching with Google didn't helped me:
> static int Tetra::StaticThreadProcGravity(void* pParam)
> {
>     return ((Tetra*)pParam)->ThreadGravity();
> }
>
> I still get an error.
>
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