osfmk/kern/cpu_data.h

   1 /*
   2  * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_OSREFERENCE_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. The rights granted to you under the License
  10  * may not be used to create, or enable the creation or redistribution of,
  11  * unlawful or unlicensed copies of an Apple operating system, or to
  12  * circumvent, violate, or enable the circumvention or violation of, any
  13  * terms of an Apple operating system software license agreement.
  14  *
  15  * Please obtain a copy of the License at
  16  * http://www.opensource.apple.com/apsl/ and read it before using this file.
  17  *
  18  * The Original Code and all software distributed under the License are
  19  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  20  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  21  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  22  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  23  * Please see the License for the specific language governing rights and
  24  * limitations under the License.
  25  *
  26  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  27  */
  28 /*
  29  * @OSF_COPYRIGHT@
  30  */
  31
  32 #ifdef  XNU_KERNEL_PRIVATE
  33
  34 #ifndef _KERN_CPU_DATA_H_
  35 #define _KERN_CPU_DATA_H_
  36
  37 #include <mach/mach_types.h>
  38 #include <sys/cdefs.h>
  39
  40 #ifdef  MACH_KERNEL_PRIVATE
  41
  42 #include <machine/cpu_data.h>
  43
  44 #endif  /* MACH_KERNEL_PRIVATE */
  45
  46 __BEGIN_DECLS
  47
  48 extern void             _disable_preemption(void);
  49 extern void             _enable_preemption(void);
  50
  51 #define disable_preemption()                    _disable_preemption()
  52 #define enable_preemption()                     _enable_preemption()
  53
  54
  55 __END_DECLS
  56
  57 #endif  /* _KERN_CPU_DATA_H_ */
  58
  59 #endif  /* XNU_KERNEL_PRIVATE */