projects / apple / xnu.git / blame
| Commit | Line | Data |
|---|---|---|
| 1c79356b A |
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 | ||
| 0b4e3aa0 A |
56 | #ifndef _PPC_LOCK_H_ |
| 57 | #define _PPC_LOCK_H_ | |
| 1c79356b | 58 | |
| 9bccf70c A |
59 | #include <sys/appleapiopts.h> |
| 60 | ||
| 61 | #ifdef __APPLE_API_PRIVATE | |
| 62 | ||
| 1c79356b A |
63 | #include <kern/macro_help.h> |
| 64 | #include <kern/assert.h> | |
| 65 | ||
| 0b4e3aa0 | 66 | extern unsigned int LockTimeOut; /* Number of hardware ticks of a lock timeout */ |
| 1c79356b | 67 | |
| 9bccf70c A |
68 | #if defined(MACH_KERNEL_PRIVATE) |
| 69 | ||
| 70 | #include <cpus.h> | |
| 71 | ||
| 72 | #if !(NCPUS == 1 || ETAP_LOCK_TRACE || USLOCK_DEBUG) | |
| 73 | ||
| 74 | #include <ppc/hw_lock_types.h> | |
| 75 | ||
| 76 | #define simple_lock_init(l,t) hw_lock_init(l) | |
| 77 | #define __slock_held_func__(l) hw_lock_held(l) | |
| 78 | ||
| 79 | extern void fast_usimple_lock(simple_lock_t); | |
| 80 | extern void fast_usimple_unlock(simple_lock_t); | |
| 81 | extern unsigned int fast_usimple_lock_try(simple_lock_t); | |
| 1c79356b | 82 | |
| 0b4e3aa0 A |
83 | #define simple_lock(l) fast_usimple_lock(l) |
| 84 | #define simple_unlock(l) fast_usimple_unlock(l) | |
| 85 | #define simple_lock_try(l) fast_usimple_lock_try(l) | |
| 86 | #define simple_lock_addr(l) (&(l)) | |
| 9bccf70c A |
87 | #define thread_sleep_simple_lock(l, e, i) \ |
| 88 | thread_sleep_fast_usimple_lock((l), (e), (i)) | |
| 89 | ||
| 90 | #endif /* !(NCPUS == 1 || ETAP_LOCK_TRACE || USLOCK_DEBUG) */ | |
| 91 | ||
| 92 | #endif /* MACH_KERNEL_PRIVATE */ | |
| 0b4e3aa0 | 93 | |
| 9bccf70c | 94 | #endif /* __APPLE_API_PRIVATE */ |
| 1c79356b | 95 | |
| 0b4e3aa0 | 96 | #endif /* _PPC_LOCK_H_ */ |