1/* 2 * Copyright (c) 2000 Apple Computer, 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 * @OSF_COPYRIGHT@ 30 */ 31/* 32 * Mach Operating System 33 * Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University 34 * All Rights Reserved. 35 * 36 * Permission to use, copy, modify and distribute this software and its 37 * documentation is hereby granted, provided that both the copyright 38 * notice and this permission notice appear in all copies of the 39 * software, derivative works or modified versions, and any portions 40 * thereof, and that both notices appear in supporting documentation. 41 * 42 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 43 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR 44 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 45 * 46 * Carnegie Mellon requests users of this software to return to 47 * 48 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU 49 * School of Computer Science 50 * Carnegie Mellon University 51 * Pittsburgh PA 15213-3890 52 * 53 * any improvements or extensions that they make and grant Carnegie Mellon 54 * the rights to redistribute these changes. 55 */ 56/* 57 * File: kern/simple_lock_types.h 58 * Author: Avadis Tevanian, Jr., Michael Wayne Young 59 * Date: 1985 60 * 61 * Simple lock data type definitions 62 */ 63#ifdef KERNEL_PRIVATE 64 65#ifndef _I386_SIMPLE_LOCK_TYPES_H_ 66#define _I386_SIMPLE_LOCK_TYPES_H_ 67 68#include <mach/boolean.h> 69#include <kern/kern_types.h> 70 71#include <sys/appleapiopts.h> 72#if defined(MACH_KERNEL_PRIVATE) && defined(__APPLE_API_PRIVATE) 73#include <i386/hw_lock_types.h> 74#include <mach_ldebug.h> 75 76#if MACH_LDEBUG 77#define USLOCK_DEBUG 1 78#else 79#define USLOCK_DEBUG 0 80#endif /* USLOCK_DEBUG */ 81 82typedef struct uslock_debug { 83 void *lock_pc; /* pc where lock operation began */ 84 void *lock_thread; /* thread that acquired lock */ 85 void *unlock_thread; /* last thread to release lock */ 86 void *unlock_pc; /* pc where lock operation ended */ 87 unsigned long duration[2]; 88 unsigned short state; 89 unsigned char lock_cpu; 90 unsigned char unlock_cpu; 91} uslock_debug; 92 93typedef struct slock { 94 hw_lock_data_t interlock; /* must be first... see lock.c */ 95#if USLOCK_DEBUG 96 unsigned short lock_type; /* must be second... see lock.c */ 97#define USLOCK_TAG 0x5353 98 uslock_debug debug; 99#endif 100} usimple_lock_data_t, *usimple_lock_t; 101 102extern void i386_lock_unlock_with_flush( 103 hw_lock_t); 104#else 105 106typedef struct slock { 107 unsigned long lock_data[10]; 108} usimple_lock_data_t, *usimple_lock_t; 109 110#endif /* defined(MACH_KERNEL_PRIVATE) && defined(__APPLE_API_PRIVATE) */ 111 112#define USIMPLE_LOCK_NULL ((usimple_lock_t) 0) 113 114#if !defined(decl_simple_lock_data) 115typedef usimple_lock_data_t *simple_lock_t; 116typedef usimple_lock_data_t simple_lock_data_t; 117 118#define decl_simple_lock_data(class,name) \ 119 class simple_lock_data_t name; 120 121#endif /* !defined(decl_simple_lock_data) */ 122 123#endif /* !_I386_SIMPLE_LOCK_TYPES_H_ */ 124 125#endif /* KERNEL_PRIVATE */ 126