/*
* Copyright (c) 2000 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. 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, 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@
*/
/*
* Mach Operating System
* Copyright (c) 1987 Carnegie-Mellon University
* All rights reserved. The CMU software License Agreement specifies
* the terms and conditions for use and redistribution.
*/
/*
* File: vm_pager_xnu.h
* Author: Avadis Tevanian, Jr., Michael Wayne Young
*
* Copyright (C) 1986, Avadis Tevanian, Jr., Michael Wayne Young
* Copyright (C) 1985, Avadis Tevanian, Jr., Michael Wayne Young
*
* Pager routine interface definition
*/
#ifndef _VM_PAGER_
#define _VM_PAGER_
#include <mach/boolean.h>
struct pager_struct {
boolean_t is_device;
};
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 */
#endif /* _VM_PAGER_ */