mirror of
https://github.com/darlinghq/darling-xnu.git
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109 lines
4.7 KiB
C
109 lines
4.7 KiB
C
/*
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* Copyright (c) 2016 Apple Inc. All rights reserved.
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*
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* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
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*
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* This file contains Original Code and/or Modifications of Original Code
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* as defined in and that are subject to the Apple Public Source License
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* Version 2.0 (the 'License'). You may not use this file except in
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* compliance with the License. The rights granted to you under the License
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* may not be used to create, or enable the creation or redistribution of,
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* unlawful or unlicensed copies of an Apple operating system, or to
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* circumvent, violate, or enable the circumvention or violation of, any
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* terms of an Apple operating system software license agreement.
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*
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* Please obtain a copy of the License at
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* http://www.opensource.apple.com/apsl/ and read it before using this file.
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*
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* The Original Code and all software distributed under the License are
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* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
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* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
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* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
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* Please see the License for the specific language governing rights and
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* limitations under the License.
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*
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* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
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*/
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/*
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* Thread group support routines.
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*/
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#ifndef _KERN_THREAD_GROUP_H_
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#define _KERN_THREAD_GROUP_H_
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struct thread_group;
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#include <mach/thread_status.h> /* for proc_reg.h / CONFIG_THREAD_GROUPS */
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#ifndef CONFIG_THREAD_GROUPS
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#error "The platform must define CONFIG_THREAD_GROUPS to 0 or 1"
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#endif
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#if CONFIG_THREAD_GROUPS
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#include <kern/queue.h>
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#include <machine/machine_routines.h>
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#define THREAD_GROUP_MAX (CONFIG_TASK_MAX + 10)
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#define THREAD_GROUP_MAXNAME (16)
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#define THREAD_GROUP_SYSTEM 0 // kernel (-VM) + launchd
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#define THREAD_GROUP_BACKGROUND 1 // background daemons
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#define THREAD_GROUP_ADAPTIVE 2 // adaptive daemons
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#define THREAD_GROUP_VM 3 // kernel VM threads
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#define THREAD_GROUP_IO_STORAGE 4 // kernel io storage threads
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#define THREAD_GROUP_PERF_CONTROLLER 5 // kernel CLPC threads
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#define THREAD_GROUP_INVALID UINT64_MAX
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/* Thread group flags */
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#define THREAD_GROUP_FLAGS_EFFICIENT 0x1
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#define THREAD_GROUP_FLAGS_UI_APP 0x2
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#define THREAD_GROUP_FLAGS_SMP_RESTRICT 0x4
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#define THREAD_GROUP_FLAGS_VALID (THREAD_GROUP_FLAGS_EFFICIENT | THREAD_GROUP_FLAGS_UI_APP | THREAD_GROUP_FLAGS_SMP_RESTRICT)
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__BEGIN_DECLS
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void thread_group_init(void);
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void thread_group_resync(boolean_t create);
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struct thread_group *thread_group_create_and_retain(void);
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void thread_group_init_thread(thread_t t, task_t task);
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void thread_group_set_name(struct thread_group *tg, const char *name);
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void thread_group_flags_update_lock(void);
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void thread_group_flags_update_unlock(void);
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void thread_group_set_flags(struct thread_group *tg, uint64_t flags);
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void thread_group_clear_flags(struct thread_group *tg, uint64_t flags);
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void thread_group_set_flags_locked(struct thread_group *tg, uint64_t flags);
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void thread_group_clear_flags_locked(struct thread_group *tg, uint64_t flags);
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struct thread_group *thread_group_find_by_name_and_retain(char *name);
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struct thread_group *thread_group_find_by_id_and_retain(uint64_t id);
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struct thread_group *thread_group_retain(struct thread_group *tg);
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void thread_group_release(struct thread_group *tg);
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struct thread_group *thread_group_get(thread_t t);
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struct thread_group *thread_group_get_home_group(thread_t t);
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void thread_group_set_bank(thread_t t, struct thread_group *tg);
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uint64_t thread_group_get_id(struct thread_group *tg);
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uint32_t thread_group_count(void);
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const char * thread_group_get_name(struct thread_group *tg);
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void * thread_group_get_machine_data(struct thread_group *tg);
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uint32_t thread_group_machine_data_size(void);
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cluster_type_t thread_group_recommendation(struct thread_group *tg);
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typedef void (*thread_group_iterate_fn_t)(void*, int, struct thread_group *);
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kern_return_t thread_group_iterate_stackshot(thread_group_iterate_fn_t callout, void *arg);
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uint32_t thread_group_get_flags(struct thread_group *);
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boolean_t thread_group_smp_restricted(struct thread_group *tg);
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void thread_group_update_recommendation(struct thread_group *tg, cluster_type_t new_recommendation);
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void thread_set_work_interval_thread_group(thread_t t, struct thread_group *tg, bool auto_join);
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#if XNU_KERNEL_PRIVATE
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void thread_group_vm_add(void);
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#endif
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__END_DECLS
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#endif /* CONFIG_THREAD_GROUPS */
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#endif // _KERN_THREAD_GROUP_H_
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