/* * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * The contents of this file constitute Original Code as defined in and * are subject to the Apple Public Source License Version 1.1 (the * "License"). You may not use this file except in compliance with the * License. Please obtain a copy of the License at * http://www.apple.com/publicsource and read it before using this file. * * This 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 OR NON-INFRINGEMENT. Please see the * License for the specific language governing rights and limitations * under the License. * * @APPLE_LICENSE_HEADER_END@ */ /* * Copyright (C) 1998 Apple Computer * All Rights Reserved */ /* * @OSF_COPYRIGHT@ */ /* * Mach Operating System * Copyright (c) 1991,1990 Carnegie Mellon University * All Rights Reserved. * * Permission to use, copy, modify and distribute this software and its * documentation is hereby granted, provided that both the copyright * notice and this permission notice appear in all copies of the * software, derivative works or modified versions, and any portions * thereof, and that both notices appear in supporting documentation. * * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. * * Carnegie Mellon requests users of this software to return to * * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU * School of Computer Science * Carnegie Mellon University * Pittsburgh PA 15213-3890 * * any improvements or extensions that they make and grant Carnegie Mellon * the rights to redistribute these changes. */ #ifndef _PPC_LOCK_H_ #define _PPC_LOCK_H_ #include <sys/appleapiopts.h> #ifdef __APPLE_API_PRIVATE #include <kern/macro_help.h> #include <kern/assert.h> #include <mach/etap_events.h> #include <mach/etap.h> extern unsigned int LockTimeOut; /* Number of hardware ticks of a lock timeout */ #if defined(MACH_KERNEL_PRIVATE) #include <cpus.h> #if !(NCPUS == 1 || ETAP_LOCK_TRACE || USLOCK_DEBUG) #include <ppc/hw_lock_types.h> #define __slock_held_func__(l) hw_lock_held(l) extern void ppc_usimple_lock_init(simple_lock_t,etap_event_t); extern void ppc_usimple_lock(simple_lock_t); extern void ppc_usimple_unlock_rwmb(simple_lock_t); extern void ppc_usimple_unlock_rwcmb(simple_lock_t); extern unsigned int ppc_usimple_lock_try(simple_lock_t); #define MACHINE_SIMPLE_LOCK #define simple_lock_init(l,t) ppc_usimple_lock_init(l,t) #define simple_lock(l) ppc_usimple_lock(l) #define simple_unlock(l) ppc_usimple_unlock_rwcmb(l) #define simple_unlock_rwmb(l) ppc_usimple_unlock_rwmb(l) #define simple_lock_try(l) ppc_usimple_lock_try(l) #define simple_lock_addr(l) (&(l)) #define thread_sleep_simple_lock(l, e, i) \ thread_sleep_fast_usimple_lock((l), (e), (i)) #define mutex_unlock(l) mutex_unlock_rwcmb(l) #endif /* !(NCPUS == 1 || ETAP_LOCK_TRACE || USLOCK_DEBUG) */ #endif /* MACH_KERNEL_PRIVATE */ #endif /* __APPLE_API_PRIVATE */ #endif /* _PPC_LOCK_H_ */