osfmk/ppc/lock.h

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_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. Please obtain a copy of the License at
  10  * http://www.opensource.apple.com/apsl/ and read it before using this
  11  * file.
  12  *
  13  * The Original Code and all software distributed under the License are
  14  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  18  * Please see the License for the specific language governing rights and
  19  * limitations under the License.
  20  *
  21  * @APPLE_LICENSE_HEADER_END@
  22  */
  23 /*
  24  * Copyright (C) 1998 Apple Computer
  25  * All Rights Reserved
  26  */
  27 /*
  28  * @OSF_COPYRIGHT@
  29  */
  30
  31 /*
  32  * Mach Operating System
  33  * Copyright (c) 1991,1990 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 #ifdef  KERNEL_PRIVATE
  58
  59 #ifndef _PPC_LOCK_H_
  60 #define _PPC_LOCK_H_
  61
  62 #ifdef  MACH_KERNEL_PRIVATE
  63
  64 #include <kern/macro_help.h>
  65 #include <kern/assert.h>
  66 #include <mach_ldebug.h>
  67 #include <ppc/locks.h>
  68
  69 #if     !MACH_LDEBUG
  70 typedef lck_mtx_t       mutex_t;
  71 #else
  72 typedef lck_mtx_ext_t   mutex_t;
  73 #endif  /* !MACH_LDEBUG */
  74
  75 #if     !MACH_LDEBUG
  76 typedef lck_rw_t        lock_t;
  77 #else
  78 typedef lck_rw_ext_t    lock_t;
  79 #endif  /* !MACH_LDEBUG */
  80
  81 extern unsigned int LockTimeOut;                        /* Number of hardware ticks of a lock timeout */
  82
  83 #define mutex_unlock(l)         mutex_unlock_rwcmb(l)
  84
  85 #endif  /* MACH_KERNEL_PRIVATE */
  86
  87 #endif  /* _PPC_LOCK_H_ */
  88
  89 #endif  /* KERNEL_PRIVATE */