From: viisi@... (Andreas Riedl)
Date: 2001-05-19T01:11:24+09:00
Subject: [ruby-talk:15371] Re: how to use garbage collection relyably?

>|how is garbage collection intended to be used?
>|
>|is
>|
>|  VALUE x = rb_ary_new();
>|  VALUE y = rb_ary_new();
>|
>|ensured to work correctly?
> 
> Yes.  Ruby uses conservative garbage collection technology.
> You don't have to worry about C local variables (well, except some
> rare cases).

ah nifty, i see now!

'rb_gc()' scans stack frames for (possible) pointers to
allocated ruby objects. thus only static and dynamic 'VALUE's
have to be handled manually to be preserved from garbage collection...

ciao, andi