xnu-7195.81.3.tar.gz

[apple/xnu.git] / bsd / net / init.c

diff --git a/bsd/net/init.c b/bsd/net/init.c
index 82c2882df39d7efa4bf16f33d1439262ffc7bed8..5ff72176db1b3f577925fbb6da2fcc97cebe1a4d 100644 (file)
--- a/bsd/net/init.c
+++ b/bsd/net/init.c
@@ -1,23 +1,29 @@
 /*
  * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
  *
- * @APPLE_LICENSE_HEADER_START@
- * 
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License").  You may not use this file except in compliance with the
- * License.  Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
- * 
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * @APPLE_OSREFERENCE_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. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
+ *
+ * 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 OR NON-INFRINGEMENT.  Please see the
- * License for the specific language governing rights and limitations
- * under the License.
- * 
- * @APPLE_LICENSE_HEADER_END@
+ * 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_OSREFERENCE_LICENSE_HEADER_END@
  */
 
 #include <kern/kalloc.h>
@@ -28,67 +34,65 @@
 #include <string.h>
 
 struct init_list_entry {
-       struct init_list_entry  *next;
-       net_init_func_ptr               func;
+       struct init_list_entry  *next;
+       net_init_func_ptr               func;
 };
 
 #define LIST_RAN ((struct init_list_entry*)0xffffffff)
-static struct init_list_entry  *list_head = 0;
+static struct init_list_entry   *list_head = 0;
 
 errno_t
 net_init_add(
        net_init_func_ptr init_func)
 {
-       struct init_list_entry  *entry;
-       
+       struct init_list_entry  *entry;
+
        if (init_func == 0) {
                return EINVAL;
        }
-       
+
        /* Check if we've already started */
        if (list_head == LIST_RAN) {
                return EALREADY;
        }
-       
+
        entry = kalloc(sizeof(*entry));
        if (entry == 0) {
                printf("net_init_add: no memory\n");
                return ENOMEM;
        }
-       
+
        bzero(entry, sizeof(*entry));
        entry->func = init_func;
-       
+
        do {
                entry->next = list_head;
-               
+
                if (entry->next == LIST_RAN) {
                        /* List already ran, cleanup and call the function */
                        kfree(entry, sizeof(*entry));
                        return EALREADY;
                }
-       } while(!OSCompareAndSwap((UInt32)entry->next, (UInt32)entry,
-                                                         (UInt32*)&list_head));
-       
+       } while (!OSCompareAndSwapPtr(entry->next, entry, &list_head));
+
        return 0;
 }
 
 __private_extern__ void
 net_init_run(void)
 {
-       struct init_list_entry  *backward_head = 0;
-       struct init_list_entry  *forward_head = 0;
-       struct init_list_entry  *current = 0;
-       
+       struct init_list_entry  *backward_head = 0;
+       struct init_list_entry  *forward_head = 0;
+       struct init_list_entry  *current = 0;
+
        /*
         * Grab the list, replacing the head with 0xffffffff to indicate
         * that we've already run.
         */
        do {
                backward_head = list_head;
-       } while (!OSCompareAndSwap((UInt32)backward_head, (UInt32)LIST_RAN,
-                                                          (UInt32*)&list_head));
-       
+       } while (!OSCompareAndSwapPtr(backward_head, LIST_RAN, &list_head));
+
        /* Reverse the order of the list */
        while (backward_head != 0) {
                current = backward_head;
@@ -96,7 +100,7 @@ net_init_run(void)
                current->next = forward_head;
                forward_head = current;
        }
-       
+
        /* Call each function pointer registered */
        while (forward_head != 0) {
                current = forward_head;