osfmk/ppc/lock.h

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_OSREFERENCE_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
  10  * License may not be used to create, or enable the creation or
  11  * redistribution of, unlawful or unlicensed copies of an Apple operating
  12  * system, or to circumvent, violate, or enable the circumvention or
  13  * violation of, any terms of an Apple operating system software license
  14  * agreement.
  15  *
  16  * Please obtain a copy of the License at
  17  * http://www.opensource.apple.com/apsl/ and read it before using this
  18  * file.
  19  *
  20  * The Original Code and all software distributed under the License are
  21  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  22  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  23  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  24  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  25  * Please see the License for the specific language governing rights and
  26  * limitations under the License.
  27  *
  28  * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
  29  */
  30 /*
  31  * Copyright (C) 1998 Apple Computer
  32  * All Rights Reserved
  33  */
  34 /*
  35  * @OSF_COPYRIGHT@
  36  */
  37
  38 /*
  39  * Mach Operating System
  40  * Copyright (c) 1991,1990 Carnegie Mellon University
  41  * All Rights Reserved.
  42  *
  43  * Permission to use, copy, modify and distribute this software and its
  44  * documentation is hereby granted, provided that both the copyright
  45  * notice and this permission notice appear in all copies of the
  46  * software, derivative works or modified versions, and any portions
  47  * thereof, and that both notices appear in supporting documentation.
  48  *
  49  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
  50  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
  51  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
  52  *
  53  * Carnegie Mellon requests users of this software to return to
  54  *
  55  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
  56  *  School of Computer Science
  57  *  Carnegie Mellon University
  58  *  Pittsburgh PA 15213-3890
  59  *
  60  * any improvements or extensions that they make and grant Carnegie Mellon
  61  * the rights to redistribute these changes.
  62  */
  63
  64 #ifdef  KERNEL_PRIVATE
  65
  66 #ifndef _PPC_LOCK_H_
  67 #define _PPC_LOCK_H_
  68
  69 #ifdef  MACH_KERNEL_PRIVATE
  70
  71 #include <kern/macro_help.h>
  72 #include <kern/assert.h>
  73 #include <mach_ldebug.h>
  74 #include <ppc/locks.h>
  75
  76 #if     !MACH_LDEBUG
  77 typedef lck_mtx_t       mutex_t;
  78 #else
  79 typedef lck_mtx_ext_t   mutex_t;
  80 #endif  /* !MACH_LDEBUG */
  81
  82 #if     !MACH_LDEBUG
  83 typedef lck_rw_t        lock_t;
  84 #else
  85 typedef lck_rw_ext_t    lock_t;
  86 #endif  /* !MACH_LDEBUG */
  87
  88 extern unsigned int LockTimeOut;                        /* Number of hardware ticks of a lock timeout */
  89
  90 #define mutex_unlock(l)         mutex_unlock_rwcmb(l)
  91
  92 #endif  /* MACH_KERNEL_PRIVATE */
  93
  94 #endif  /* _PPC_LOCK_H_ */
  95
  96 #endif  /* KERNEL_PRIVATE */