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 _disable_preemption_without_measurements(void); |
50 | extern void _enable_preemption(void); |
51 | |
52 | #ifndef MACHINE_PREEMPTION_MACROS |
53 | #define disable_preemption() _disable_preemption() |
54 | #define disable_preemption_without_measurements() _disable_preemption_without_measurements() |
55 | #define enable_preemption() _enable_preemption() |
56 | #endif |
57 | |
58 | #if SCHED_HYGIENE_DEBUG |
59 | #define SCHED_HYGIENE_MARKER (1u << 31) |
60 | extern void abandon_preemption_disable_measurement(void); |
61 | #endif |
62 | |
63 | __END_DECLS |
64 | |
65 | #endif /* _KERN_CPU_DATA_H_ */ |
66 | |
67 | #endif /* XNU_KERNEL_PRIVATE */ |
68 | |