Re: [Help-smalltalk] C Callbacks

[Paolo Bonzini]

Udo Schneider wrote:
> All,
>
> is there any way to create regular C-Callbacks from within GST? I need 
> some magic which provides a function pointer (to a block or method) 
> which I can pass to a C func as callback.
>
> As far as I can see the underlying libffi supports this using 
> ffi_prep_closure_loc(). Is this already available in GST?

No, but callbacks are available without using libffi.  You use functions 
in the vm_proxy, see the GLUT bindings in the opengl branch of my 
repository for a simple example.

Paolo