From: ara.t.howard@...
Date: 2006-07-22T02:12:06+09:00
Subject: Re: Beyond threads? Better concurrency methods?

On Sat, 22 Jul 2006, Dido Sevilla wrote:

> On 7/20/06, M. Edward (Ed) Borasky <znmeb@cesmail.net> wrote:
>> Strangely enough, I don't recall ever seeing a *real* programming
>> language, to be distinguished from academic ones, that ever handled
>> parallelism in a manner other than as calls to run-time libraries. Ruby
>> already has that.
>
> There's the Limbo programming language, invented by Rob Pike, Phil
> Winterbottom, and some of the other guys responsible for Plan 9, used
> in the Inferno operating system [1]. It essentially implements
> communicating sequential processes: it incorporates typed
> communication channels between processes as a language primitive, and
> provides built-in mechanisms for using them for synchronization and
> communication. It's an interesting piece of work, and I for one would
> like to see Ruby with similar features in the future.
>
> [1] www.vitanuova.com


     fortytwo :~ > cat a.rb
     require 'slave'

     class ServerA
       def meth() 40 end
     end

     class ServerB
       def meth() 2 end
     end

     sa, sb = [ServerA, ServerB].map{|c| Slave.new c.new}

     p sa.pid
     p sb.pid

     a, b = sa.object, sb.object

     p(a.meth + b.meth)


     fortytwo :~ > ruby a.rb
     26206
     26207
     42


-a
-- 
suffering increases your inner strength.  also, the wishing for suffering
makes the suffering disappear.
- h.h. the 14th dali lama