From: Marc Butler <mlb@...>
Date: 2001-04-10T06:57:06+09:00
Subject: [ruby-talk:13586] Re: Wrapping library that uses pthread

Danny van Bruggen wrote:

> Hello all,
>
> I'm writing a Ruby interface for SDL, but I can't go on right now because
> SDL uses pthreads. When I run a Ruby-script on a platform with pthread
> support, it will wait forever with a blocking thread. Is anything known
> about Ruby that might cause this?
>
> Dag Allemaal!

The ruby interpreter is not thread safe.  If you are accessing it from
multiple threads the results will be unpredictable.  You may want to isolate
the interpreter in a thread by itself and manage access to it using
semaphores/mutexes.
-Marc.

--
Apathy: a cynics best friend.
mlb@noworkingparts.com