Date: Wed, 30 May 2001 11:33:18 -0400 From: Barney Wolff <barney@databus.com> To: Alex Rousskov <rousskov@measurement-factory.com> Cc: horape@tinuviel.compendium.net.ar, freebsd-net@FreeBSD.ORG Subject: Re: why cannot bind to someipaddress:port when something else has *:port bound? Message-ID: <20010530113318.A53768@tp.databus.com> In-Reply-To: <Pine.BSF.4.10.10105300737040.68439-100000@measurement-factory.com>; from rousskov@measurement-factory.com on Wed, May 30, 2001 at 07:41:42AM -0600 References: <20010530073150.A15247@tinuviel.compendium.net.ar> <Pine.BSF.4.10.10105300737040.68439-100000@measurement-factory.com>
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See SO_REUSEADDR. Barney Wolff On Wed, May 30, 2001 at 07:41:42AM -0600, Alex Rousskov wrote: > On Wed, 30 May 2001 horape@tinuviel.compendium.net.ar wrote: > > > The following program binds *:1000 to a socket, and then tries to > > bind 200.47.36.254:1000 to another socket, the error i gets is > > "Address already in use". Why? > > *:1000 includes 200.47.36.254:1000 by definition of bind(2). Binding > two sockets to one address (200.47.36.254:1000 in your case) cannot be > allowed because it is unclear which of the two sockets should recieve > packets destined to 200.47.36.254:1000. There may be other reasons. > > Alex. > > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-net" in the body of the message To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message
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