From: nobu.nokada@...
Date: 2004-02-06T11:01:18+09:00
Subject: Re: Is there any way to mark an object as "always in use" (specifically, in a C extension)?

Hi,

At Fri, 6 Feb 2004 10:29:43 +0900,
Harry Ohlsen wrote in [ruby-talk:91665]:
> So, I guess my questions are:
> (1) is this likely to be what was really going wrong, or did
> adding the rb_gc_mark() calls fix the problem by pure luck
> and it's waiting to bite me again, further down the track;

Seems correct.

> (2) is there some way I can mark all of those objects as
> always being in use, so that they'll never be considered for
> garbage collection;

You may want to use rb_gc_register_address()?

> and more importantly (3) is there a better way to do achieve
> this?

Is it the single big hash in process, but not per instance,
right?

2 ways:
1. rb_gc_register_address(),

2. make the hash a hidden instance variable of any class, if
   exists.

-- 
Nobu Nakada