From: Ryan Davis <ryand-ruby@...>
Date: 2007-04-08T04:57:26+09:00
Subject: Re: rb_yield(), break, and C extensions


On Apr 7, 2007, at 10:08 , Kent Sibilev wrote:

> You should wrap your rb_yield call with rb_ensure. From README.EXT:
>
> VALUE rb_ensure(VALUE (*func1)(), void *arg1, void (*func2)(), void  
> *arg2)
>
> Calls the function func1 with arg1 as the argument, then calls func2
> with arg2 if execution terminated.  The return value from
> rb_ensure() is that of func1.

Right, for an example of this, take a look at the inline'd code in  
image_science. I just had to wrap all this stuff up in the same way.