osfmk/ppc/lock.h

   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  * Copyright (C) 1998 Apple Computer
  30  * All Rights Reserved
  31  */
  32 /*
  33  * @OSF_COPYRIGHT@
  34  */
  35
  36 /*
  37  * Mach Operating System
  38  * Copyright (c) 1991,1990 Carnegie Mellon University
  39  * All Rights Reserved.
  40  *
  41  * Permission to use, copy, modify and distribute this software and its
  42  * documentation is hereby granted, provided that both the copyright
  43  * notice and this permission notice appear in all copies of the
  44  * software, derivative works or modified versions, and any portions
  45  * thereof, and that both notices appear in supporting documentation.
  46  *
  47  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
  48  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
  49  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
  50  *
  51  * Carnegie Mellon requests users of this software to return to
  52  *
  53  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
  54  *  School of Computer Science
  55  *  Carnegie Mellon University
  56  *  Pittsburgh PA 15213-3890
  57  *
  58  * any improvements or extensions that they make and grant Carnegie Mellon
  59  * the rights to redistribute these changes.
  60  */
  61
  62 #ifdef  KERNEL_PRIVATE
  63
  64 #ifndef _PPC_LOCK_H_
  65 #define _PPC_LOCK_H_
  66
  67 #ifdef  MACH_KERNEL_PRIVATE
  68
  69 #include <kern/macro_help.h>
  70 #include <kern/assert.h>
  71 #include <mach_ldebug.h>
  72 #include <ppc/locks.h>
  73
  74 #if     !MACH_LDEBUG
  75 typedef lck_mtx_t       mutex_t;
  76 #else
  77 typedef lck_mtx_ext_t   mutex_t;
  78 #endif  /* !MACH_LDEBUG */
  79
  80 #if     !MACH_LDEBUG
  81 typedef lck_rw_t        lock_t;
  82 #else
  83 typedef lck_rw_ext_t    lock_t;
  84 #endif  /* !MACH_LDEBUG */
  85
  86 extern unsigned int LockTimeOut;                        /* Number of hardware ticks of a lock timeout */
  87
  88 #define mutex_unlock(l)         mutex_unlock_rwcmb(l)
  89
  90 #endif  /* MACH_KERNEL_PRIVATE */
  91
  92 #endif  /* _PPC_LOCK_H_ */
  93
  94 #endif  /* KERNEL_PRIVATE */