From: Donald Sharp <sharpd@...>
Date: 2001-03-21T04:46:56+09:00
Subject: [ruby-talk:12977] Re: Native/pthreads in Ruby

On Tue, Mar 20, 2001 at 05:34:27PM +0900, Yukihiro Matsumoto wrote:
> Hi,
> 
> In message " Native/pthreads in Ruby"
>     on 01/03/20, Christopher Petrilli <petrilli@amber.org> writes:
> 
> |I read everything I could find in the archives talking about 
> |implementing pthreads in Ruby, and I'm wondering if anyone has started 
> |on this.  I'm working on a project which is pretty I/O intensive and 
> |this would help enormously in writing a fast version.  I'm currently 
> |working to convert the code from Python (which uses pthreads), and I'm 
> |running into that wall.
> |
> |Ideas?
> 
> The conservative GC which Ruby is using does not work well with
> pthreads.  Unfortunately pthread does not provide the way to get stack
> boundary of each thread.  You have to restrict Ruby interpreter to be
> run on only one thread to get along with native threads.

Sure it does through these calls:

pthread_attr_setstackaddr();
pthread_attr_getstackaddr();
pthread_attr_setstacksize();
pthread_attr_getstacksize();

You should set the stack and then do a pthread_create()...

donald
> 
> 							matz.
>