From: "Guy N. Hurst" <gnhurst@...>
Date: 2002-04-19T11:27:00+09:00
Subject: Re: resolv.rb Bug

"Roy J. Milican" wrote:
> ...
> nnsn> After applying the second patch, you need to close the DNS
> nnsn> object explicitly, or use DNS.open with a block.
> 
> Could you give me an example.  Sorry if I'm being dumb here but my
> patched version is still doing the "Too many files open" thing.
> Since
> I didn't know what you ment quite by close the DNS object explicitly
> I
> changed my DNS.new to DNS.open, no error running it but it still
> gives
> me the too many files error after 256 times.  This is the code I'm
> using.
> 
> domainrecord = Resolv::DNS.open.getresources(@domain,
> Resolv::DNS::Resource::IN::MX).collect{|r| [r.exchange.to_s,
> r.preference]}
> 
> Any help would be appriated.
> 

"open with a block" means:

DNS.open{|x| x.do_stuff }

(as opposed to  "DNS.open.do_stuff")

The block form will ensure that what was opened gets closed
when the block is done.


Guy N. Hurst