From: "Erik Bågfors" <erik@...>
Date: 2001-09-21T05:30:05+09:00
Subject: [ruby-talk:21464] Re: How to tell if port is in use...

On Wed, 2001-09-19 at 08:56, Hal E. Fulton wrote:
> Hello all...
> 
> How do I tell whether another server already
> is using a port? 
> 
> As far as I can see, starting up two TCPServers
> on the same port on the same machine 
> doesn't give an exception... 
> 
> Hal

: [bagfors@detrius]$ ; cat test.rb
#!/usr/bin/ruby

require "socket"
begin
	s=TCPServer.new("localhost",8080)
	sleep 100
rescue 
	puts "error"
end

: [bagfors@detrius]$ ; ruby test.rb&
[1] 2480

: [bagfors@detrius]$ ; ruby test.rb 
error

It sure does.

/Erik


 
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Erik B�gfors               | erik@bagfors.nu
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