From: Jeff Ward <wardja@...>
Date: 2002-05-10T09:38:13+09:00
Subject: Re: rb_unload() ?

Another question along the same lines.... how would I uninitialize ruby? 
 ruby_run calls ruby_stop and ruby_finalize, neither of which I can call 
because they call exit.  I would like to make sure my program is nice 
and clean before shutting down.

-Jeff

Sean Chittenden wrote:

>>I'm experimenting with using ruby as embedded scripting language,
>>but I've run across a problem.  I don't want things to stay resident
>>after I'm finished with a file.  Is there something like rb_unload
>>or rb_flush that won't uninitialize ruby but will remove all defined
>>classes, functions, and variables from memory?  Even better if
>>there's a way to keep constants resident.
>>
>
>Please see mod_ruby and the way that it handles this with garbage
>collection.  There is no way to do this from the script side as far as
>I can tell.  You can't unload shared objects yet.  knu and I had an
>interesting discussion about that on IRC and I was going to play
>around with trying to integrate how apr handles this.  Under
>APR/Apache the memory never gets freed for shared objects, instead the
>pointer to the shared object resource gets moved to a new location
>where the memory exists.  I believe that it is possible to unload a
>DSO under FreeBSD (maybe linux), however there is no cross platform
>way of accomplishing this.
>
>hth  -sc
>