From: Dan Sugalski <dan@...>
Date: 2003-10-08T22:47:40+09:00
Subject: Re: GC and the stack

On Wed, 8 Oct 2003, Thomas Sondergaard wrote:

> > By whether a value points an object in the slots.  See
> > gc.c:is_pointer_to_heap().
>
> Okay. What if, in an extension, I have an integer on the stack that just
> happens to contain a value that interpreted as a pointer points into a valid
> point in the heap. Will that prevent the "pointed to" object from being
> gc'ed?

Yes. This is normal for conservative garbage collection schemes. (Which
ruby uses for its stack walking) It's very, *very* rarely an issue.

					Dan