You must be looking at an older version of Kaffe.
0.10.0 and later exclusively uses setjmp/longjmp.

	- Godmar

> 
> I was trying to get Kaffe to switch thread using setjmp and longjmp, as
> opposed to the present method that it uses.  I wasn't sure what I can have
> to do to make this change and was hoping that someone had tried this before
> and knew what has to be done.
> 
> I am doing this because I have the hardware level assembly code for
> setjmp/longjmp for an i386 machine and would like to switch to such an
> interface.
> 
> 
> Kambiz
> 
> 
>