--- Libc/Libc-262.3.2/threads/lu_utils.c
+++ Libc/Libc-391/threads/lu_utils.c
@@ -1,3 +1,25 @@
+/*
+ * Copyright (c) 2003 Apple Computer, Inc. All rights reserved.
+ *
+ * @APPLE_LICENSE_HEADER_START@
+ * 
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this
+ * file.
+ * 
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ * 
+ * @APPLE_LICENSE_HEADER_END@
+ */
 /*
  * Port and memory management for doing lookups to the lookup server
  * Copyright (C) 1989 by NeXT, Inc.
@@ -9,31 +31,32 @@
  *
  */
 #include <stdio.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <unistd.h>
 #include <mach/mach.h>
+#include <mach/error.h>
 #include <servers/bootstrap.h>
 
 mach_port_t _lu_port = MACH_PORT_NULL;
 static name_t LOOKUP_NAME = "lookup daemon v2";
 
 mach_port_t _lookupd_port(mach_port_t port) {
+	kern_return_t ret;
+
 	if (port != MACH_PORT_NULL) {
-		kern_return_t ret;
-		mach_port_t bp;
-		ret = task_get_bootstrap_port(mach_task_self(), &bp);
-		if (ret != KERN_SUCCESS) {
-			mach_error("task_get_bootstrap_port() failed", ret);
-			abort();
-		}
-		if (bp == MACH_PORT_NULL) {
-			mach_error("task_get_bootstrap_port() returned MACH_PORT_NULL!", 0);
-			return MACH_PORT_NULL;
-		}
-		ret = bootstrap_register(bp, LOOKUP_NAME, port);
+		ret = bootstrap_register(bootstrap_port, LOOKUP_NAME, port);
 		if (ret != BOOTSTRAP_SUCCESS) {
 			mach_error("bootstrap_register() failed", ret);
 			abort();
 		}
                 return port;
+	} else if ((_lu_port == MACH_PORT_NULL) && (getpid() > 1)) {
+		ret = bootstrap_look_up(bootstrap_port, LOOKUP_NAME, &_lu_port);
+		if (ret != BOOTSTRAP_SUCCESS && ret != BOOTSTRAP_UNKNOWN_SERVICE) {
+			mach_error("bootstrap_look_up() failed", ret);
+			_lu_port = MACH_PORT_NULL;
+		}
 	}
 	return _lu_port;
 }
@@ -42,27 +65,7 @@
 void
 _lu_fork_child()
 {
-	mach_port_t bp;
-	kern_return_t ret;
-	int pid = getpid();
-
 	_lu_port = MACH_PORT_NULL;
-	if (pid > 2) {
-		ret = task_get_bootstrap_port(mach_task_self(), &bp);
-		if (ret != KERN_SUCCESS) {
-			mach_error("task_get_bootstrap_port() failed", ret);
-			abort();
-		}
-		if (bp == MACH_PORT_NULL) {
-			fprintf(stderr, "task_get_bootstrap_port() returned MACH_PORT_NULL!\n");
-			return;
-		}
-		ret = bootstrap_look_up(bp, LOOKUP_NAME, &_lu_port);
-		if (ret != BOOTSTRAP_SUCCESS && ret != BOOTSTRAP_UNKNOWN_SERVICE) {
-			mach_error("bootstrap_look_up() failed", ret);
-			_lu_port = MACH_PORT_NULL;
-		}
-	}
 }
 
 void
@@ -74,35 +77,9 @@
 	_lu_port = desired;
 }
 
-static int
-port_valid(mach_port_t port)
-{
-	mach_port_type_t ptype;
-	kern_return_t ret;
-	
-	ret = mach_port_type(mach_task_self(), port, &ptype);
-	if (ret != KERN_SUCCESS) {
-		mach_error("mach_port_type() failed", ret);
-		return 0;
-	}
-	return 1;
-}
-
 int
 _lu_running(void)
 {
-	if (_lu_port == MACH_PORT_NULL) {
-		_lu_fork_child();
-	}
-	if (_lu_port != MACH_PORT_NULL) {
-		if (port_valid(_lu_port)) {
-			return (1);
-		}
-		_lu_fork_child();
-		if (port_valid(_lu_port)) {
-			return (1);
-		}
-	}
-	return 0;
+	return ((_lu_port != MACH_PORT_NULL) ||
+		(_lookupd_port(MACH_PORT_NULL) != MACH_PORT_NULL));
 }
-