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  * 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  * @OSF_COPYRIGHT@
  25  */
  26
  27 #ifdef  XNU_KERNEL_PRIVATE
  28
  29 #ifndef _KERN_CPU_DATA_H_
  30 #define _KERN_CPU_DATA_H_
  31
  32 #include <mach/mach_types.h>
  33 #include <sys/cdefs.h>
  34
  35 #ifdef  MACH_KERNEL_PRIVATE
  36
  37 #include <machine/cpu_data.h>
  38
  39 #endif  /* MACH_KERNEL_PRIVATE */
  40
  41 __BEGIN_DECLS
  42
  43 extern void             _disable_preemption(void);
  44 extern void             _enable_preemption(void);
  45
  46 #define disable_preemption()                    _disable_preemption()
  47 #define enable_preemption()                     _enable_preemption()
  48
  49
  50 __END_DECLS
  51
  52 #endif  /* _KERN_CPU_DATA_H_ */
  53
  54 #endif  /* XNU_KERNEL_PRIVATE */