diff -rud postgresql-7.3.2/src/backend/postmaster/postmaster.c postgresql-rendezvous/src/backend/postmaster/postmaster.c
--- postgresql-7.3.2/src/backend/postmaster/postmaster.c	Wed Jan 15 19:27:17 2003
+++ postgresql-rendezvous/src/backend/postmaster/postmaster.c	Wed Mar 26 18:43:31 2003
@@ -85,6 +85,10 @@
 #include <getopt.h>
 #endif
 
+#ifdef HAVE_RENDEZVOUS
+#include <DNSServiceDiscovery/DNSServiceDiscovery.h>
+#endif
+
 #include "catalog/pg_database.h"
 #include "commands/async.h"
 #include "lib/dllist.h"
@@ -203,6 +207,10 @@
 bool		Log_connections = false;
 bool		Db_user_namespace = false;
 
+#ifdef HAVE_RENDEZVOUS
+/* service name */
+char		*service_name = NULL;
+#endif
 
 /* Startup/shutdown state */
 static pid_t StartupPID = 0,
@@ -354,6 +362,17 @@
 }
 
 
+#ifdef HAVE_RENDEZVOUS
+
+/* reg_reply -- empty callback function for DNSServiceRegistrationCreate() */
+static void
+reg_reply(DNSServiceRegistrationReplyErrorType errorCode, void *context)
+{
+
+}
+
+#endif
+
 int
 PostmasterMain(int argc, char *argv[])
 {
@@ -684,7 +703,22 @@
 		{
 			postmaster_error("cannot create INET stream port");
 			ExitPostmaster(1);
-		}
+                } else {
+#ifdef HAVE_RENDEZVOUS
+                    /* Rendezvous, baby! */
+                    
+                    if (service_name != NULL)
+                    {
+                        DNSServiceRegistrationCreate(service_name,
+                                "_pgsql._tcp.",
+                                "",
+                                htonl(PostPortNumber),
+                                "",
+                                (DNSServiceRegistrationReply)reg_reply,
+                                NULL);
+                    }
+#endif
+                }
 	}
 
 #ifdef HAVE_UNIX_SOCKETS
diff -rud postgresql-7.3.2/src/backend/utils/misc/guc.c postgresql-rendezvous/src/backend/utils/misc/guc.c
--- postgresql-7.3.2/src/backend/utils/misc/guc.c	Tue Jan 28 13:04:13 2003
+++ postgresql-rendezvous/src/backend/utils/misc/guc.c	Wed Mar 26 18:25:34 2003
@@ -794,6 +794,13 @@
 		"$user,public", assign_search_path, NULL
 	},
 
+#ifdef HAVE_RENDEZVOUS
+	{
+		{"service_name", PGC_POSTMASTER}, &service_name,
+		NULL, NULL, NULL
+	},
+#endif
+
 	{
 		{"server_encoding", PGC_USERSET}, &server_encoding_string,
 		"SQL_ASCII", assign_server_encoding, show_server_encoding
diff -rud postgresql-7.3.2/src/include/miscadmin.h postgresql-rendezvous/src/include/miscadmin.h
--- postgresql-7.3.2/src/include/miscadmin.h	Thu Oct  3 13:07:53 2002
+++ postgresql-rendezvous/src/include/miscadmin.h	Wed Mar 26 18:10:43 2003
@@ -182,6 +182,7 @@
 extern char *Unix_socket_group;
 extern char *UnixSocketDir;
 extern char *VirtualHost;
+extern char *service_name;
 
 
 /*****************************************************************************
diff -rud postgresql-7.3.2/src/include/port/darwin.h postgresql-rendezvous/src/include/port/darwin.h
--- postgresql-7.3.2/src/include/port/darwin.h	Sun Oct 28 01:26:08 2001
+++ postgresql-rendezvous/src/include/port/darwin.h	Wed Mar 26 18:35:02 2003
@@ -1,5 +1,7 @@
 #define __darwin__	1
 
+#define HAVE_RENDEZVOUS
+
 #if defined(__ppc__)
 #define HAS_TEST_AND_SET
 #endif