Integration with C

Geert Bevin gbevin@uwyn.com
Thu Apr 17 18:34:00 GMT 2003


Hi Andrew,

I've read over the gcj documentation in try to find a logical way to 
register a collection of function pointers. The only structure that I 
can find is the gnu.gcj.RawData class which can contain anything but 
need to be cast to the correct type explicitely. Is this a way to do 
what I need, or am I overlooking something? It would be great to see 
some examples of this, do you know if there are some available?

Thanks for the help,

Geert

Andrew Haley wrote:
> Geert Bevin writes:
>  > Andrew Haley wrote:
>  > > No, you'll have to write a C interface in C++.  It's still 10-100
>  > > times faster than JNI.
>  > 
>  > Ok. Thanks a lot for this information. Another related question, can I 
>  > work with function pointers to execute registered C callback hooks or is 
>  > this not possible in the CNI architecture? Otherwise, I'll have to poll 
>  > at regular intervals from within the gui, which is a pretty ugly 
>  > solution ;-)
> 
> Yes, function pointers are fine for calling CNI hooks.  That was one
> of the design goals.  However, if you want to call a Java method
> you'll have to get the address of the object somehow.
> 
> Andrew.
> 


-- 
Geert Bevin                       Uwyn
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http://www.uwyn.com               1030 Brussels
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