From: Danie Roux <danie.roux@...>
Date: 2006-02-22T01:54:00+09:00
Subject: Re: GC Bug? Ruby 1.8.4 core dumps on a very small extension

On 2/20/06, Ross Bamford <rossrt@roscopeco.co.uk> wrote:
> On Mon, 2006-02-20 at 07:47 +0900, Danie Roux wrote:
> > Hi all,
> >
> > Long (and tiring) story short:
> >
> > I have an extension that is 40 lines* in total, the C code and Ruby
> > code that exercise it. It core dumps, while I repeatedly call a method
> > that just returns Qtrue.
>
> Please try making this change:
> -    rb_iv_set(self, "@v", 100);
> +    rb_iv_set(self, "@v", INT2FIX(100));

Ross,

Thank you. Moral of the story: Explicitly cast any C value into a Ruby one.

It still strikes me odd that it would run a couple of hundred
iterations before breaking, though.

--
Danie Roux *shuffle* Adore Unix               http://blog.acolyte.co.za