From: Steve Hart <stevehart@...>
Date: 2003-04-24T23:49:57+09:00
Subject: Re: Error in ruby extension

In answer to my own question and in hope of confirmation, it would appear 
that multithreading ruby extensions is not possible. I am assuming this is 
because GC checks the current threads stack during mark and sweep. If I 
create an class instance in one thread and use this to access a method of 
that class in another thread I screw up the GC. Is it the case that all 
ruby extensions may only be called from the thread that initialises the 
ruby interpreter (i.e. the one that calls ruby_init()?