X-Spam-Check-By:	sourceware.org
Date:	Thu, 5 Oct 2006 12:18:20 +0200
From:	Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To:	cygwin AT cygwin DOT com
Subject:	Re: Problems with bind and UDP server
Message-ID:	<20061005101820.GI25401@calimero.vinschen.de>
Reply-To:	cygwin AT cygwin DOT com
Mail-Followup-To:	cygwin AT cygwin DOT com
References:	<ad8a712d65c60c373f7bf4d79f917713 AT ecn DOT org>
Mime-Version:	1.0
In-Reply-To:	<ad8a712d65c60c373f7bf4d79f917713@ecn.org>
User-Agent:	Mutt/1.4.2i
Mailing-List:	contact cygwin-help AT cygwin DOT com; run by ezmlm
List-Unsubscribe:	<mailto:cygwin-unsubscribe-archive-cygwin=delorie DOT com AT cygwin DOT com>
List-Subscribe:	<mailto:cygwin-subscribe AT cygwin DOT com>
List-Archive:	<http://sourceware.org/ml/cygwin/>
List-Post:	<mailto:cygwin AT cygwin DOT com>
List-Help:	<mailto:cygwin-help AT cygwin DOT com>, <http://sourceware.org/ml/#faqs>
Sender:	cygwin-owner AT cygwin DOT com
Mail-Followup-To:	cygwin AT cygwin DOT com
Delivered-To:	mailing list cygwin AT cygwin DOT com

On Sep 27 17:14, Anonymous wrote:
> [...]
> I compile and run net-snmp under cygwin (I have net-snmp 5.3.0.1).
> The server snmpd by default uses UDP port 161. I now have the most
> recent cygwin DLL and the server snmpd seems no longer to work.
> 
> I think I tracked down the problem to the bind command. For a 
> "very simple test" I used Beej's socket programming examples.
> I give the listings at the end of the message.
> 
> http://beej.us/guide/bgnet/output/htmlsingle/bgnet.html#listen
> 
> The listener program works fine on regular Linux and with older
> cygwin DLLs ..... but under the latest it returns an error.
> Has something changed?

I tried your below example under 1.5.21 and with a more recent developer
version of Cygwin and the tests run fine in both cases:

  $ ./udp-listener.exe 
				   $ ./udp-talker.exe localhost blah
				   sent 4 bytes to 127.0.0.1
  got packet from 127.0.0.1
  packet is 4 bytes long
  packet contains "blah"

If there's a bug, it's not triggered by this test.  If it triggers
the problem on your machine, I'd assume the influence of some other
piece of software (firewall, virus scanner, etc)


Corinna

> listener.c
> ====
> /*
> ** listener.c -- a datagram sockets "server" demo
> */
> [...]

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Project Co-Leader          cygwin AT cygwin DOT com
Red Hat

--
Unsubscribe info:      http://cygwin.com/ml/#unsubscribe-simple
Problem reports:       http://cygwin.com/problems.html
Documentation:         http://cygwin.com/docs.html
FAQ:                   http://cygwin.com/faq/

- Raw text -