osfmk/ppc/cpu_data.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  * @OSF_COPYRIGHT@
  24  *
  25  */
  26
  27 #ifndef PPC_CPU_DATA
  28 #define PPC_CPU_DATA
  29
  30 #if     defined(__GNUC__)
  31
  32 #define disable_preemption                      _disable_preemption
  33 #define enable_preemption                       _enable_preemption
  34 #define enable_preemption_no_check              _enable_preemption_no_check
  35 #define mp_disable_preemption                   _disable_preemption
  36 #define mp_enable_preemption                    _enable_preemption
  37 #define mp_enable_preemption_no_check           _enable_preemption_no_check
  38
  39 extern thread_t                                 current_thread(void);
  40 extern int                                      get_preemption_level(void);
  41 extern void                                     disable_preemption(void);
  42 extern void                                     enable_preemption(void);
  43 extern void                                     enable_preemption_no_check(void);
  44 extern void                                     mp_disable_preemption(void);
  45 extern void                                     mp_enable_preemption(void);
  46 extern void                                     mp_enable_preemption_no_check(void);
  47 extern int                                      get_simple_lock_count(void);
  48 #endif  /* defined(__GNUC__) */
  49
  50 #endif  /* PPC_CPU_DATA */