From: "James F.  Hranicky" <jfh@...>
Date: 2004-01-24T00:57:37+09:00
Subject: Re: Problems with resolv.rb && Queue/Thread

On Sat, 24 Jan 2004 00:44:58 +0900
"Robert Klemme" <bob.news@gmx.net> wrote:

> Not exactly.  But your code has a subtle error.  It should read
> 
> ARGV.each { |ipaddr|
>   threads << Thread.new( ipaddr ) { |local_ipaddr|
> ....
> IP4NetAddr.new(local_ipaddr).all { |ip|
> ....
> 
> Otherwise the threads access the variable defined in the ARGV.each block
> and thus errors might occur since you're not accessing the value you think
> you are.

I tried it and got this with 1.8:

   /usr/local/lib/ruby/1.8/resolv.rb:539:in `delete': undefined method `queue' for 6:Fixnum (NoMethodError)

1.9 seems unchanged. 

Thanks...I'll keep scanning for un-thread-safe code.

Jim