From: nobu@...
Date: 2006-01-19T23:42:17+09:00
Subject: Re: Help for upgrading my sources from ruby 1.6.8 to 1.8.x

Hi,

At Thu, 19 Jan 2006 19:55:49 +0900,
Burkhard Boerner wrote in [ruby-talk:176150]:
> 1. question:
> in 1.6.8 the line
> 
> rb_protect(rb_thread_stop, self, &iRes);
> 
> is working well, in 1.8.2 it produces an compile error.

It should be a warning in C.

> Looking into "intern.h" shows a difference between both versions
> 1.6.8:
> VALUE rb_protect _((VALUE (*)(), VALUE, int*));
> VALUE rb_thread_stop _((void));
> 
> 1.8.2:
> VALUE rb_protect _((VALUE (*)(VALUE), VALUE, int*));
> VALUE rb_thread_stop _((void));
> 
> Is this a bug or is it not longer allowed to give rb_thread_stop as 
> first parameter?

You just need a cast.

> 2. question:
> Because we are developing for railway organizations, we have a 
> track-element called "Signal". Therefore we have also created a 
> corresponding class Signal (using it a long time and in many 
> applications). This is in conflict with ruby 1.8.
> Do we have any chance to omit the change of the class name to be 
> compliant with 1.8?

module Railway
  class Signal
  end
end

-- 
Nobu Nakada