osfmk/kern/cpu_data.h

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
   7  *
   8  * This file contains Original Code and/or Modifications of Original Code
   9  * as defined in and that are subject to the Apple Public Source License
  10  * Version 2.0 (the 'License'). You may not use this file except in
  11  * compliance with the License. Please obtain a copy of the License at
  12  * http://www.opensource.apple.com/apsl/ and read it before using this
  13  * file.
  14  *
  15  * The Original Code and all software distributed under the License are
  16  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  17  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  18  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  20  * Please see the License for the specific language governing rights and
  21  * limitations under the License.
  22  *
  23  * @APPLE_LICENSE_HEADER_END@
  24  */
  25 /*
  26  * @OSF_COPYRIGHT@
  27  */
  28
  29 #ifndef _CPU_DATA_H_
  30 #define _CPU_DATA_H_
  31
  32 #include <sys/appleapiopts.h>
  33
  34 #ifdef  __APPLE_API_PRIVATE
  35
  36 #ifdef  MACH_KERNEL_PRIVATE
  37
  38 #include <cpus.h>
  39 #include <mach/mach_types.h>
  40
  41 typedef struct
  42 {
  43         thread_t        active_thread;
  44         int             preemption_level;
  45         int             simple_lock_count;
  46         int             interrupt_level;
  47 #ifdef __I386__
  48         int             cpu_number;             /* Logical CPU number */
  49         int             cpu_phys_number;        /* Physical CPU Number */
  50 #endif
  51 } cpu_data_t;
  52
  53 #include <machine/cpu_data.h>
  54
  55 #else   /* MACH_KERNEL_PRIVATE */
  56
  57 #define disable_preemption()                    _disable_preemption()
  58 #define enable_preemption()                     _enable_preemption()
  59 #define enable_preemption_no_check()            _enable_preemption_no_check()
  60
  61 #endif  /* MACH_KERNEL_PRIVATE */
  62
  63 #endif  /* __APPLE_API_PRIVATE */
  64
  65 #ifdef  __APPLE_API_UNSTABLE
  66
  67 #if             !defined(MACH_KERNEL_PRIVATE)
  68
  69 extern thread_t                 current_thread(void);
  70
  71 #endif  /* MACH_KERNEL_PRIVATE */
  72
  73 #endif  /* __APPLE_API_UNSTABLE */
  74
  75 #endif  /* _CPU_DATA_H_ */