From: nobu.nokada@...
Date: 2004-06-08T13:03:19+09:00
Subject: Re: Segfault on embedded ruby.

Hi,

At Tue, 8 Jun 2004 12:24:31 +0900,
Paul Brannan wrote in [ruby-talk:102734]:
> > > int main ()
> > > {
> > >     ruby_init ();
> >       VALUE dummy;
> >       Init_stack(&dummy);
> > >     ruby_init_loadpath ();
> > >     dontCrash("puts 'test'");
> > >     ruby_finalize();
> > > }
> 
> ruby_init() calls Init_stack, so why should this be necessary?

To adjust the stack boundary.
The stack frame inside Init_stack() called from ruby_init()
would be placed at lower address than one of dontCrash() , so
that `test' in it would be outside the region of GC target.

-- 
Nobu Nakada