osfmk/kern/cpu_data.h

   1 /*
   2  * Copyright (c) 2000-2005 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 #ifdef  XNU_KERNEL_PRIVATE
  27
  28 #ifndef _KERN_CPU_DATA_H_
  29 #define _KERN_CPU_DATA_H_
  30
  31 #include <mach/mach_types.h>
  32 #include <sys/cdefs.h>
  33
  34 #ifdef  MACH_KERNEL_PRIVATE
  35
  36 #include <machine/cpu_data.h>
  37
  38 #endif  /* MACH_KERNEL_PRIVATE */
  39
  40 __BEGIN_DECLS
  41
  42 extern void             _disable_preemption(void);
  43 extern void             _enable_preemption(void);
  44
  45 #define disable_preemption()                    _disable_preemption()
  46 #define enable_preemption()                     _enable_preemption()
  47
  48
  49 __END_DECLS
  50
  51 #endif  /* _KERN_CPU_DATA_H_ */
  52
  53 #endif  /* XNU_KERNEL_PRIVATE */