xref: /xnu-10002.41.9/osfmk/kern/cpu_data.h (revision 699cd48037512bf4380799317ca44ca453c82f57)
1*699cd480SApple OSS Distributions /*
2*699cd480SApple OSS Distributions  * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved.
3*699cd480SApple OSS Distributions  *
4*699cd480SApple OSS Distributions  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5*699cd480SApple OSS Distributions  *
6*699cd480SApple OSS Distributions  * This file contains Original Code and/or Modifications of Original Code
7*699cd480SApple OSS Distributions  * as defined in and that are subject to the Apple Public Source License
8*699cd480SApple OSS Distributions  * Version 2.0 (the 'License'). You may not use this file except in
9*699cd480SApple OSS Distributions  * compliance with the License. The rights granted to you under the License
10*699cd480SApple OSS Distributions  * may not be used to create, or enable the creation or redistribution of,
11*699cd480SApple OSS Distributions  * unlawful or unlicensed copies of an Apple operating system, or to
12*699cd480SApple OSS Distributions  * circumvent, violate, or enable the circumvention or violation of, any
13*699cd480SApple OSS Distributions  * terms of an Apple operating system software license agreement.
14*699cd480SApple OSS Distributions  *
15*699cd480SApple OSS Distributions  * Please obtain a copy of the License at
16*699cd480SApple OSS Distributions  * http://www.opensource.apple.com/apsl/ and read it before using this file.
17*699cd480SApple OSS Distributions  *
18*699cd480SApple OSS Distributions  * The Original Code and all software distributed under the License are
19*699cd480SApple OSS Distributions  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20*699cd480SApple OSS Distributions  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21*699cd480SApple OSS Distributions  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22*699cd480SApple OSS Distributions  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23*699cd480SApple OSS Distributions  * Please see the License for the specific language governing rights and
24*699cd480SApple OSS Distributions  * limitations under the License.
25*699cd480SApple OSS Distributions  *
26*699cd480SApple OSS Distributions  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27*699cd480SApple OSS Distributions  */
28*699cd480SApple OSS Distributions /*
29*699cd480SApple OSS Distributions  * @OSF_COPYRIGHT@
30*699cd480SApple OSS Distributions  */
31*699cd480SApple OSS Distributions 
32*699cd480SApple OSS Distributions #ifdef  XNU_KERNEL_PRIVATE
33*699cd480SApple OSS Distributions 
34*699cd480SApple OSS Distributions #ifndef _KERN_CPU_DATA_H_
35*699cd480SApple OSS Distributions #define _KERN_CPU_DATA_H_
36*699cd480SApple OSS Distributions 
37*699cd480SApple OSS Distributions #include <mach/mach_types.h>
38*699cd480SApple OSS Distributions #include <sys/cdefs.h>
39*699cd480SApple OSS Distributions 
40*699cd480SApple OSS Distributions #ifdef  MACH_KERNEL_PRIVATE
41*699cd480SApple OSS Distributions 
42*699cd480SApple OSS Distributions #include <machine/cpu_data.h>
43*699cd480SApple OSS Distributions 
44*699cd480SApple OSS Distributions #endif  /* MACH_KERNEL_PRIVATE */
45*699cd480SApple OSS Distributions 
46*699cd480SApple OSS Distributions __BEGIN_DECLS
47*699cd480SApple OSS Distributions 
48*699cd480SApple OSS Distributions extern void             _disable_preemption(void);
49*699cd480SApple OSS Distributions extern void             _disable_preemption_without_measurements(void);
50*699cd480SApple OSS Distributions extern void             _enable_preemption(void);
51*699cd480SApple OSS Distributions 
52*699cd480SApple OSS Distributions #ifndef MACHINE_PREEMPTION_MACROS
53*699cd480SApple OSS Distributions #define disable_preemption()                    _disable_preemption()
54*699cd480SApple OSS Distributions #define disable_preemption_without_measurements() _disable_preemption_without_measurements()
55*699cd480SApple OSS Distributions #define enable_preemption()                     _enable_preemption()
56*699cd480SApple OSS Distributions #endif
57*699cd480SApple OSS Distributions 
58*699cd480SApple OSS Distributions #if SCHED_HYGIENE_DEBUG
59*699cd480SApple OSS Distributions #define SCHED_HYGIENE_MARKER (1u << 31)
60*699cd480SApple OSS Distributions extern void abandon_preemption_disable_measurement(void);
61*699cd480SApple OSS Distributions #endif
62*699cd480SApple OSS Distributions 
63*699cd480SApple OSS Distributions __END_DECLS
64*699cd480SApple OSS Distributions 
65*699cd480SApple OSS Distributions #endif  /* _KERN_CPU_DATA_H_ */
66*699cd480SApple OSS Distributions 
67*699cd480SApple OSS Distributions #endif  /* XNU_KERNEL_PRIVATE */
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