From: Eric Hodel <drbrain@...7.net>
Date: 2012-09-07T05:07:10+09:00
Subject: Re: Ruby's Mark mechanism

On Sep 6, 2012, at 9:59 AM, Peter Zotov <whitequark@whitequark.org> wrote:
>> Yes I have a literature stating exactly what you said. But can anyone
>> tell me in code level where and in which file I can see GC checks for
>> these objects?
> 
> http://rxr.whitequark.org/mri/source/gc.c#2386 and so on.

gc_marks() is probably a better starting point since it lists all the roots.