/* * Copyright (c) 2013 Apple Inc. All rights reserved. * * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. The rights granted to you under the License * may not be used to create, or enable the creation or redistribution of, * unlawful or unlicensed copies of an Apple operating system, or to * circumvent, violate, or enable the circumvention or violation of, any * terms of an Apple operating system software license agreement. * * Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ #ifndef _KERN_SFI_H_ #define _KERN_SFI_H_ #include <stdint.h> #include <mach/mach_types.h> #include <mach/kern_return.h> #include <mach/sfi_class.h> #include <kern/ast.h> #include <kern/kern_types.h> #include <kern/ledger.h> extern void sfi_init(void); extern void sfi_early_init(void); extern sfi_class_id_t sfi_get_ledger_alias_for_class(sfi_class_id_t class_id); extern int sfi_ledger_entry_add(ledger_template_t template, sfi_class_id_t class_id); kern_return_t sfi_set_window(uint64_t window_usecs); kern_return_t sfi_window_cancel(void); kern_return_t sfi_get_window(uint64_t *window_usecs); kern_return_t sfi_set_class_offtime(sfi_class_id_t class_id, uint64_t offtime_usecs); kern_return_t sfi_class_offtime_cancel(sfi_class_id_t class_id); kern_return_t sfi_get_class_offtime(sfi_class_id_t class_id, uint64_t *offtime_usecs); #ifdef MACH_KERNEL_PRIVATE /* * Classifying a thread requires no special locks to be held (although attribute * changes that cause an inconsistent snapshot may cause a spurious AST). Final * evaluation will happen at the AST boundary with the thread locked. If possible, * */ sfi_class_id_t sfi_thread_classify(thread_t thread); sfi_class_id_t sfi_processor_active_thread_classify(processor_t processor); ast_t sfi_thread_needs_ast(thread_t thread, sfi_class_id_t *out_class /* optional */); ast_t sfi_processor_needs_ast(processor_t processor); void sfi_ast(thread_t thread); void sfi_reevaluate(thread_t thread); kern_return_t sfi_defer(uint64_t); #endif /* MACH_KERNEL_PRIVATE */ #endif /* _KERN_SFI_H_ */