xnu-1456.1.26.tar.gz

[apple/xnu.git] / bsd / dev / vn / shadow.h

diff --git a/bsd/dev/vn/shadow.h b/bsd/dev/vn/shadow.h
index c536eaadda17d8d205f26e02b620c981daab13e2..ce2c677dcee42d455729379dc4b0282cde1161ca 100644 (file)
--- a/bsd/dev/vn/shadow.h
+++ b/bsd/dev/vn/shadow.h
@@ -1,16 +1,19 @@
 /*
  * Copyright (c) 1999, 2000-2002 Apple Computer, Inc. All rights reserved.
  *
- * @APPLE_LICENSE_HEADER_START@
- * 
- * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
+ * @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. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
+ * 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
@@ -20,7 +23,7 @@
  * Please see the License for the specific language governing rights and
  * limitations under the License.
  * 
- * @APPLE_LICENSE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
 
 #ifndef __VN_SHADOW_H__
@@ -33,17 +36,22 @@
 typedef struct shadow_map shadow_map_t;
 
 boolean_t
-shadow_map_read(shadow_map_t * map, u_long block_offset, u_long block_count,
-               u_long * incr_block_offset, u_long * incr_block_count);
+shadow_map_read(shadow_map_t * map, uint32_t block_offset, uint32_t block_count,
+               uint32_t * incr_block_offset, uint32_t * incr_block_count);
 boolean_t
-shadow_map_write(shadow_map_t * map, u_long block_offset, u_long block_count,
-                u_long * incr_block_offset, u_long * incr_block_count);
-u_long
+shadow_map_write(shadow_map_t * map, uint32_t block_offset, uint32_t block_count,
+                uint32_t * incr_block_offset, uint32_t * incr_block_count);
+boolean_t
+shadow_map_is_written(shadow_map_t * map, uint32_t block_offset);
+
+uint32_t
 shadow_map_shadow_size(shadow_map_t * map);
 
 shadow_map_t *
 shadow_map_create(off_t file_size, off_t shadow_size, 
-                 unsigned long band_size, unsigned long block_size);
+                 uint32_t band_size, uint32_t block_size);
+void
+shadow_map_free(shadow_map_t * map);
 
 #endif /* __APPLE_API_PRIVATE */
 #endif /* __VN_SHADOW_H__ */