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