Date: Wed, 16 Jan 2002 15:45:20 +0200 From: Ruslan Ermilov <ru@FreeBSD.org> To: Brian Somers <brian@FreeBSD.org>, cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/usr.sbin/ppp arp.c atm.c mp.c route.c server.c tcp.c udp.c Message-ID: <20020116154520.A98909@sunbay.com> In-Reply-To: <20020116063627.A265@colnta.acns.ab.ca> References: <200201161315.g0GDFlI94947@freefall.freebsd.org> <20020116152059.C91833@sunbay.com> <20020116063627.A265@colnta.acns.ab.ca>
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On Wed, Jan 16, 2002 at 06:36:27AM -0700, Chad David wrote: > On Wed, Jan 16, 2002 at 03:20:59PM +0200, Ruslan Ermilov wrote: > > On Wed, Jan 16, 2002 at 05:15:47AM -0800, Brian Somers wrote: > > > brian 2002/01/16 05:15:47 PST > > > > > > Modified files: > > > usr.sbin/ppp arp.c atm.c mp.c route.c server.c tcp.c > > > udp.c > > > Log: > > > socket's first argument is an address family, not a protocol family. > > > > > > Revision Changes Path > > > 1.43 +2 -2 src/usr.sbin/ppp/arp.c > > > 1.5 +2 -2 src/usr.sbin/ppp/atm.c > > > 1.48 +2 -2 src/usr.sbin/ppp/mp.c > > > 1.84 +2 -2 src/usr.sbin/ppp/route.c > > > 1.39 +4 -4 src/usr.sbin/ppp/server.c > > > 1.14 +2 -2 src/usr.sbin/ppp/tcp.c > > > 1.14 +2 -2 src/usr.sbin/ppp/udp.c > > > > > Err, from the socket(2) manpage: > > > > : The domain parameter specifies a communications domain within which com- > > : munication will take place; this selects the protocol family which should > > : be used. These families are defined in the include file <sys/socket.h>. > > : The currently understood formats are: > > : > > : PF_LOCAL Host-internal protocols, formerly called PF_UNIX, > > : PF_UNIX Host-internal protocols, depreciated, use PF_LOCAL, > > : PF_INET Internet version 4 protocols, > > > > sockaddr.sa_family OTOH should use AF_* constants. > > Has FreeBSD taken a stand on this? I've always thought that the difference > between AF_ and PF_ had been lost in the mist many many years ago. > Internally they are equal, externally they are not. > Here is an interesting email between Richard Stevens, Sam Leffler and > Dan Lanciani: > > http://www.kohala.com/start/lanciani.96apr10.txt > I read that, and I disagree. Sockets are created in protocol families (PF) and later may be bound to a particular address family (AF). For a single protocol family there could multiple address families exist, in theory. Cheers, -- Ruslan Ermilov Oracle Developer/DBA, ru@sunbay.com Sunbay Software AG, ru@FreeBSD.org FreeBSD committer, +380.652.512.251 Simferopol, Ukraine http://www.FreeBSD.org The Power To Serve http://www.oracle.com Enabling The Information Age To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-all" in the body of the message
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