From: "Iñaki Baz Castillo" <ibc@...>
Date: 2012-05-29T00:47:47+09:00
Subject: Re: [C exte] rb_protect() with more than a single parameters

Really interesting your approach :)

Thanks a lot to both.


2012/5/25 Ammar Ali <ammarabuali@gmail.com>:
> On Thu, May 24, 2012 at 8:59 PM, Iñaki Baz Castillo <ibc@aliax.net> wrote:
>>
>> Ok, so if from C I want to call a Ruby method passing N VALUE
>> parameters, should I really create a Ruby Array and pass it as _data_
>> in rb_protect() ?? really? is there any other way?
>
>
> I did not find another way after searching for a while, including the source
> of all the extensions I could get my hands on. I was a little surprised too.
>
> I ended up writing my own wrappers around rb_funcall and rb_funcall2, using
> rb_rescue2. Here's a gist:
>
>   https://gist.github.com/2787174
>
> These come from a program that embeds ruby, not an extension, so they were
> written to suit those needs. For example, rescuing rb_eException might be
> too broad, and registering/unregistering args with the GC might not be
> necessary for all applications. I think this is most probably the reason why
> ruby does not provide such functions.
>
> In any event, I've been meaning to put these snippets out there in a related
> thread in hope they might help someone. I hope they help you in some way. I
> would be very interested in any feedback you might have.
>
> Regards,
> Ammar
>



-- 
Iñaki Baz Castillo
<ibc@aliax.net>