LXR darwin-xnu/osfmk/ppc/lock.h

   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#ifdef  KERNEL_PRIVATE
  57
  58#ifndef _PPC_LOCK_H_
  59#define _PPC_LOCK_H_
  60
  61#ifdef  MACH_KERNEL_PRIVATE
  62
  63#include <kern/macro_help.h>
  64#include <kern/assert.h>
  65#include <mach_ldebug.h>
  66#include <ppc/locks.h>
  67
  68#if     !MACH_LDEBUG
  69typedef lck_mtx_t       mutex_t;
  70#else
  71typedef lck_mtx_ext_t   mutex_t;
  72#endif  /* !MACH_LDEBUG */
  73
  74#if     !MACH_LDEBUG
  75typedef lck_rw_t        lock_t;
  76#else
  77typedef lck_rw_ext_t    lock_t;
  78#endif  /* !MACH_LDEBUG */
  79
  80extern unsigned int LockTimeOut;                        /* Number of hardware ticks of a lock timeout */
  81
  82#define mutex_unlock(l)         mutex_unlock_rwcmb(l)
  83
  84#endif  /* MACH_KERNEL_PRIVATE */
  85
  86#endif  /* _PPC_LOCK_H_ */
  87
  88#endif  /* KERNEL_PRIVATE */
  89