[Openinteract-dev] Re: problem with SPOPS-0.83

[Chris W. <ch...@cw...>]

On Apr 30, 2004, at 9:20 AM, Ray Zimmerman wrote:
> I temporarily modified SPOPS::DESTROY and added a DESTROY method to 
> Log::Log4perl::Logger to see when the $log was getting destroyed. I 
> verified that the SPOPS objects which were defined either as lexicals 
> or package variables in the "main" namespace of my script were getting 
> destroyed after $log UNLESS I specifically undef them before the 
> script terminates. Other SPOPS objects used in subroutines were 
> destroyed beforehand as expected. BTW, there are a bunch of 
> Log::Log4perl::Logger objects, I assume one for each package that 
> calls get_logger().

Correct, although it's more correct to say that each category gets a 
logger object. Generally 'category' and 'package' are interchangeable, 
but you can also create custom categories as we've done in OI2, 
skipping the use of packages entirely.

> I would have thought that a lexical in a class would not be destroyed 
> until after all objects of that class were destroyed. Not knowing how 
> it works, maybe this isn't even possible. I don't suppose this is a 
> bug in perl?

That's what I thought too.

> I wonder what happens if you make $log a package variable?

Good question! More investigation is clearly needed.

Chris

--
Chris Winters
Creating enterprise-capable snack systems since 1988