osfmk/kern/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 #ifndef _CPU_DATA_H_
  27 #define _CPU_DATA_H_
  28
  29 #include <sys/appleapiopts.h>
  30
  31 #ifdef  __APPLE_API_PRIVATE
  32
  33 #ifdef  MACH_KERNEL_PRIVATE
  34
  35 #include <cpus.h>
  36 #include <mach/mach_types.h>
  37
  38 typedef struct
  39 {
  40         thread_t        active_thread;
  41         int             preemption_level;
  42         int             simple_lock_count;
  43         int             interrupt_level;
  44 #ifdef __I386__
  45         int             cpu_number;             /* Logical CPU number */
  46         int             cpu_phys_number;        /* Physical CPU Number */
  47 #endif
  48 } cpu_data_t;
  49
  50 #include <machine/cpu_data.h>
  51
  52 #else   /* MACH_KERNEL_PRIVATE */
  53
  54 #define disable_preemption()                    _disable_preemption()
  55 #define enable_preemption()                     _enable_preemption()
  56 #define enable_preemption_no_check()            _enable_preemption_no_check()
  57
  58 #endif  /* MACH_KERNEL_PRIVATE */
  59
  60 #endif  /* __APPLE_API_PRIVATE */
  61
  62 #ifdef  __APPLE_API_UNSTABLE
  63
  64 #if             !defined(MACH_KERNEL_PRIVATE)
  65
  66 extern thread_t                 current_thread(void);
  67
  68 #endif  /* MACH_KERNEL_PRIVATE */
  69
  70 #endif  /* __APPLE_API_UNSTABLE */
  71
  72 #endif  /* _CPU_DATA_H_ */