xnu-7195.101.1.tar.gz

[apple/xnu.git] / bsd / vm / vm_pager.h

diff --git a/bsd/vm/vm_pager.h b/bsd/vm/vm_pager.h
index 2c4246a44b75bc66381f1c936157667d9ab37e88..7d18009dfd9d6a4ab80ff8980d0fb9079040af12 100644 (file)
--- a/bsd/vm/vm_pager.h
+++ b/bsd/vm/vm_pager.h
@@ -1,17 +1,20 @@
 /*
  * Copyright (c) 2000 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
  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
@@ -19,10 +22,10 @@
  * 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@
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
-/* 
+/*
  * Mach Operating System
  * Copyright (c) 1987 Carnegie-Mellon University
  * All rights reserved.  The CMU software License Agreement specifies
@@ -38,29 +41,31 @@
  *     Pager routine interface definition
  */
 
-#ifndef        _VM_PAGER_
-#define        _VM_PAGER_
+#ifndef _VM_PAGER_
+#define _VM_PAGER_
 
 #include <mach/boolean.h>
 
-struct pager_struct {
-       boolean_t       is_device;
+struct  pager_struct {
+       boolean_t       is_device;
 };
-typedef        struct pager_struct     *vm_pager_t;
-#define        vm_pager_null           ((vm_pager_t) 0)
+typedef struct pager_struct     *vm_pager_t;
+#define vm_pager_null           ((vm_pager_t) 0)
 
-#define        PAGER_SUCCESS           0  /* page read or written */
-#define        PAGER_ABSENT            1  /* pager does not have page */
-#define        PAGER_ERROR             2  /* pager unable to read or write page */
+#define PAGER_SUCCESS           0  /* page read or written */
+#define PAGER_ABSENT            1  /* pager does not have page */
+#define PAGER_ERROR             2  /* pager unable to read or write page */
 
-#ifdef KERNEL
-typedef        int             pager_return_t;
+#if 0
+#ifdef  KERNEL
+typedef int             pager_return_t;
 
-vm_pager_t     vm_pager_allocate();
-void           vm_pager_deallocate();
-pager_return_t vm_pager_get();
-pager_return_t vm_pager_put();
-boolean_t      vm_pager_has_page();
-#endif /* KERNEL */
+extern vm_pager_t               vm_pager_allocate(void);
+extern void                             vm_pager_deallocate(void);
+extern pager_return_t   vm_pager_get(void);
+extern pager_return_t   vm_pager_put(void);
+extern boolean_t                vm_pager_has_page(void);
+#endif  /* KERNEL */
+#endif
 
-#endif /* _VM_PAGER_ */
+#endif  /* _VM_PAGER_ */