1/*
2 * Copyright (c) 2007 Apple Inc. All rights reserved.
3 *
4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. The rights granted to you under the License
10 * may not be used to create, or enable the creation or redistribution of,
11 * unlawful or unlicensed copies of an Apple operating system, or to
12 * circumvent, violate, or enable the circumvention or violation of, any
13 * terms of an Apple operating system software license agreement.
14 *
15 * Please obtain a copy of the License at
16 * http://www.opensource.apple.com/apsl/ and read it before using this file.
17 *
18 * The Original Code and all software distributed under the License are
19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23 * Please see the License for the specific language governing rights and
24 * limitations under the License.
25 *
26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27 */
28/*
29 * Memory allocation wrappers.
30 */
31
32#ifndef _SECURITY_MAC_ALLOC_H_
33#define _SECURITY_MAC_ALLOC_H_
34
35#include <mach/machine/vm_types.h>
36#include <kern/kern_types.h>
37#include <sys/appleapiopts.h>
38
39/* JMM - should use OSMlloc.h interfaces */
40
41#ifdef __APPLE_API_EVOLVING
42/*
43 * Kernel Memory allocator
44 */
45void * mac_kalloc (vm_size_t size, int how);
46void mac_kfree (void *data, vm_size_t size);
47
48/*
49 * Mbuf allocator for mbuf labels.
50 */
51void * mac_mbuf_alloc (int len, int wait);
52void mac_mbuf_free (void *data);
53
54/*
55 *
56 */
57int mac_wire (void *start, void *end);
58int mac_unwire (void *start, void *end);
59
60/*
61 * Zone allocator
62 */
63zone_t mac_zinit (vm_size_t size, vm_size_t maxmem,
64 vm_size_t alloc, const char *name);
65void mac_zone_change (zone_t zone, unsigned int item, boolean_t value);
66void * mac_zalloc (zone_t zone, int how);
67void mac_zfree (zone_t zone, void *elem);
68
69/* Item definitions */
70#define Z_EXHAUST 1 /* Make zone exhaustible */
71#define Z_COLLECT 2 /* Make zone collectable */
72#define Z_EXPAND 3 /* Make zone expandable */
73#define Z_FOREIGN 4 /* Allow collectable zone to contain foreign elements */
74#define Z_CALLERACCT 5 /* Account alloc/free against the caller */
75
76#endif /* __APPLE_API_EVOLVING */
77#endif /* _SECURITY_MAC_ALLOC_H_ */
78