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1/*
2 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
3 *
4 * @APPLE_LICENSE_HEADER_START@
5 *
6 * The contents of this file constitute Original Code as defined in and
7 * are subject to the Apple Public Source License Version 1.1 (the
8 * "License"). You may not use this file except in compliance with the
9 * License. Please obtain a copy of the License at
10 * http://www.apple.com/publicsource and read it before using this file.
11 *
12 * This Original Code and all software distributed under the License are
13 * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
14 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
15 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
17 * License for the specific language governing rights and limitations
18 * under the License.
19 *
20 * @APPLE_LICENSE_HEADER_END@
21 */
22/*
23 * Copyright (C) 1998 Apple Computer
24 * All Rights Reserved
25 */
26/*
27 * @OSF_COPYRIGHT@
28 */
29
30/*
31 * Mach Operating System
32 * Copyright (c) 1991,1990 Carnegie Mellon University
33 * All Rights Reserved.
34 *
35 * Permission to use, copy, modify and distribute this software and its
36 * documentation is hereby granted, provided that both the copyright
37 * notice and this permission notice appear in all copies of the
38 * software, derivative works or modified versions, and any portions
39 * thereof, and that both notices appear in supporting documentation.
40 *
41 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
42 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
43 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
44 *
45 * Carnegie Mellon requests users of this software to return to
46 *
47 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
48 * School of Computer Science
49 * Carnegie Mellon University
50 * Pittsburgh PA 15213-3890
51 *
52 * any improvements or extensions that they make and grant Carnegie Mellon
53 * the rights to redistribute these changes.
54 */
55
56#ifndef _PPC_LOCK_H_
57#define _PPC_LOCK_H_
58
59#include <kern/macro_help.h>
60#include <kern/assert.h>
61
62extern unsigned int LockTimeOut; /* Number of hardware ticks of a lock timeout */
63
64#if defined(MACH_KERNEL_PRIVATE) && !(NCPUS == 1 && !ETAP_LOCK_TRACE && !USLOCK_DEBUG)
65extern void fast_usimple_lock(usimple_lock_t);
66extern void fast_usimple_unlock(usimple_lock_t);
67extern unsigned int fast_usimple_lock_try(usimple_lock_t);
68
69#define simple_lock_init(l,t) usimple_lock_init(l,t)
70#define simple_lock(l) fast_usimple_lock(l)
71#define simple_unlock(l) fast_usimple_unlock(l)
72#define simple_lock_try(l) fast_usimple_lock_try(l)
73#define simple_lock_addr(l) (&(l))
74#define __slock_held_func__(l) usimple_lock_held(l)
75
76#endif
77
78#endif /* _PPC_LOCK_H_ */