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| /* | |
| * Copyright (c) 2000-2010, 2015 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@ | |
| */ | |
| /* | |
| * @OSF_FREE_COPYRIGHT@ | |
| */ | |
| /* | |
| * Mach Operating System | |
| * Copyright (c) 1991,1990,1989,1988 Carnegie Mellon University | |
| * All Rights Reserved. | |
| * | |
| * Permission to use, copy, modify and distribute this software and its | |
| * documentation is hereby granted, provided that both the copyright | |
| * notice and this permission notice appear in all copies of the | |
| * software, derivative works or modified versions, and any portions | |
| * thereof, and that both notices appear in supporting documentation. | |
| * | |
| * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" | |
| * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR | |
| * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. | |
| * | |
| * Carnegie Mellon requests users of this software to return to | |
| * | |
| * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU | |
| * School of Computer Science | |
| * Carnegie Mellon University | |
| * Pittsburgh PA 15213-3890 | |
| * | |
| * any improvements or extensions that they make and grant Carnegie Mellon | |
| * the rights to redistribute these changes. | |
| */ | |
| /* | |
| */ | |
| /* | |
| * File: task.h | |
| * Author: Avadis Tevanian, Jr. | |
| * | |
| * This file contains the structure definitions for tasks. | |
| * | |
| */ | |
| /* | |
| * Copyright (c) 1993 The University of Utah and | |
| * the Computer Systems Laboratory (CSL). All rights reserved. | |
| * | |
| * Permission to use, copy, modify and distribute this software and its | |
| * documentation is hereby granted, provided that both the copyright | |
| * notice and this permission notice appear in all copies of the | |
| * software, derivative works or modified versions, and any portions | |
| * thereof, and that both notices appear in supporting documentation. | |
| * | |
| * THE UNIVERSITY OF UTAH AND CSL ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS | |
| * IS" CONDITION. THE UNIVERSITY OF UTAH AND CSL DISCLAIM ANY LIABILITY OF | |
| * ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. | |
| * | |
| * CSL requests users of this software to return to csl-dist@cs.utah.edu any | |
| * improvements that they make and grant CSL redistribution rights. | |
| * | |
| */ | |
| /* | |
| * NOTICE: This file was modified by McAfee Research in 2004 to introduce | |
| * support for mandatory and extensible security protections. This notice | |
| * is included in support of clause 2.2 (b) of the Apple Public License, | |
| * Version 2.0. | |
| * Copyright (c) 2005 SPARTA, Inc. | |
| */ | |
| #ifndef _KERN_TASK_H_ | |
| #define _KERN_TASK_H_ | |
| #include <kern/kern_types.h> | |
| #include <mach/mach_types.h> | |
| #include <sys/cdefs.h> | |
| #ifdef XNU_KERNEL_PRIVATE | |
| #include <kern/kern_cdata.h> | |
| #include <mach/sfi_class.h> | |
| #include <kern/queue.h> | |
| #endif /* XNU_KERNEL_PRIVATE */ | |
| #ifdef MACH_KERNEL_PRIVATE | |
| #include <mach/boolean.h> | |
| #include <mach/port.h> | |
| #include <mach/time_value.h> | |
| #include <mach/message.h> | |
| #include <mach/mach_param.h> | |
| #include <mach/task_info.h> | |
| #include <mach/exception_types.h> | |
| #include <mach/vm_statistics.h> | |
| #include <machine/task.h> | |
| #if MONOTONIC | |
| #include <machine/monotonic.h> | |
| #endif /* MONOTONIC */ | |
| #include <kern/cpu_data.h> | |
| #include <kern/queue.h> | |
| #include <kern/exception.h> | |
| #include <kern/locks.h> | |
| #include <security/_label.h> | |
| #include <ipc/ipc_port.h> | |
| #include <kern/thread.h> | |
| #include <mach/coalition.h> | |
| #include <stdatomic.h> | |
| #ifdef CONFIG_ATM | |
| #include <atm/atm_internal.h> | |
| #endif | |
| struct _cpu_time_qos_stats { | |
| uint64_t cpu_time_qos_default; | |
| uint64_t cpu_time_qos_maintenance; | |
| uint64_t cpu_time_qos_background; | |
| uint64_t cpu_time_qos_utility; | |
| uint64_t cpu_time_qos_legacy; | |
| uint64_t cpu_time_qos_user_initiated; | |
| uint64_t cpu_time_qos_user_interactive; | |
| }; | |
| #include <bank/bank_internal.h> | |
| struct task { | |
| /* Synchronization/destruction information */ | |
| decl_lck_mtx_data(,lock) /* Task's lock */ | |
| _Atomic uint32_t ref_count; /* Number of references to me */ | |
| boolean_t active; /* Task has not been terminated */ | |
| boolean_t halting; /* Task is being halted */ | |
| /* Miscellaneous */ | |
| vm_map_t map; /* Address space description */ | |
| queue_chain_t tasks; /* global list of tasks */ | |
| void *user_data; /* Arbitrary data settable via IPC */ | |
| #if defined(CONFIG_SCHED_MULTIQ) | |
| sched_group_t sched_group; | |
| #endif /* defined(CONFIG_SCHED_MULTIQ) */ | |
| /* Threads in this task */ | |
| queue_head_t threads; | |
| processor_set_t pset_hint; | |
| struct affinity_space *affinity_space; | |
| int thread_count; | |
| uint32_t active_thread_count; | |
| int suspend_count; /* Internal scheduling only */ | |
| /* User-visible scheduling information */ | |
| integer_t user_stop_count; /* outstanding stops */ | |
| integer_t legacy_stop_count; /* outstanding legacy stops */ | |
| integer_t priority; /* base priority for threads */ | |
| integer_t max_priority; /* maximum priority for threads */ | |
| integer_t importance; /* priority offset (BSD 'nice' value) */ | |
| /* Task security and audit tokens */ | |
| security_token_t sec_token; | |
| audit_token_t audit_token; | |
| /* Statistics */ | |
| uint64_t total_user_time; /* terminated threads only */ | |
| uint64_t total_system_time; | |
| uint64_t total_ptime; | |
| /* Virtual timers */ | |
| uint32_t vtimers; | |
| /* IPC structures */ | |
| decl_lck_mtx_data(,itk_lock_data) | |
| struct ipc_port *itk_self; /* not a right, doesn't hold ref */ | |
| struct ipc_port *itk_nself; /* not a right, doesn't hold ref */ | |
| struct ipc_port *itk_sself; /* a send right */ | |
| struct exception_action exc_actions[EXC_TYPES_COUNT]; | |
| /* a send right each valid element */ | |
| struct ipc_port *itk_host; /* a send right */ | |
| struct ipc_port *itk_bootstrap; /* a send right */ | |
| struct ipc_port *itk_seatbelt; /* a send right */ | |
| struct ipc_port *itk_gssd; /* yet another send right */ | |
| struct ipc_port *itk_debug_control; /* send right for debugmode communications */ | |
| struct ipc_port *itk_task_access; /* and another send right */ | |
| struct ipc_port *itk_resume; /* a receive right to resume this task */ | |
| struct ipc_port *itk_registered[TASK_PORT_REGISTER_MAX]; | |
| /* all send rights */ | |
| struct ipc_space *itk_space; | |
| /* Synchronizer ownership information */ | |
| queue_head_t semaphore_list; /* list of owned semaphores */ | |
| int semaphores_owned; /* number of semaphores owned */ | |
| ledger_t ledger; | |
| unsigned int priv_flags; /* privilege resource flags */ | |
| #define VM_BACKING_STORE_PRIV 0x1 | |
| MACHINE_TASK | |
| integer_t faults; /* faults counter */ | |
| integer_t pageins; /* pageins counter */ | |
| integer_t cow_faults; /* copy on write fault counter */ | |
| integer_t messages_sent; /* messages sent counter */ | |
| integer_t messages_received; /* messages received counter */ | |
| integer_t syscalls_mach; /* mach system call counter */ | |
| integer_t syscalls_unix; /* unix system call counter */ | |
| uint32_t c_switch; /* total context switches */ | |
| uint32_t p_switch; /* total processor switches */ | |
| uint32_t ps_switch; /* total pset switches */ | |
| #ifdef MACH_BSD | |
| void *bsd_info; | |
| #endif | |
| kcdata_descriptor_t corpse_info; | |
| uint64_t crashed_thread_id; | |
| queue_chain_t corpse_tasks; | |
| #ifdef CONFIG_MACF | |
| struct label * crash_label; | |
| #endif | |
| struct vm_shared_region *shared_region; | |
| volatile uint32_t t_flags; /* general-purpose task flags protected by task_lock (TL) */ | |
| #define TF_NONE 0 | |
| #define TF_64B_ADDR 0x00000001 /* task has 64-bit addressing */ | |
| #define TF_64B_DATA 0x00000002 /* task has 64-bit data registers */ | |
| #define TF_CPUMON_WARNING 0x00000004 /* task has at least one thread in CPU usage warning zone */ | |
| #define TF_WAKEMON_WARNING 0x00000008 /* task is in wakeups monitor warning zone */ | |
| #define TF_TELEMETRY (TF_CPUMON_WARNING | TF_WAKEMON_WARNING) /* task is a telemetry participant */ | |
| #define TF_GPU_DENIED 0x00000010 /* task is not allowed to access the GPU */ | |
| #define TF_CORPSE 0x00000020 /* task is a corpse */ | |
| #define TF_PENDING_CORPSE 0x00000040 /* task corpse has not been reported yet */ | |
| #define TF_CORPSE_FORK 0x00000080 /* task is a forked corpse */ | |
| #define TF_LRETURNWAIT 0x00000100 /* task is waiting for fork/posix_spawn/exec to complete */ | |
| #define TF_LRETURNWAITER 0x00000200 /* task is waiting for TF_LRETURNWAIT to get cleared */ | |
| #define TF_PLATFORM 0x00000400 /* task is a platform binary */ | |
| #define task_has_64BitAddr(task) \ | |
| (((task)->t_flags & TF_64B_ADDR) != 0) | |
| #define task_set_64BitAddr(task) \ | |
| ((task)->t_flags |= TF_64B_ADDR) | |
| #define task_clear_64BitAddr(task) \ | |
| ((task)->t_flags &= ~TF_64B_ADDR) | |
| #define task_has_64BitData(task) \ | |
| (((task)->t_flags & TF_64B_DATA) != 0) | |
| #define task_is_a_corpse(task) \ | |
| (((task)->t_flags & TF_CORPSE) != 0) | |
| #define task_set_corpse(task) \ | |
| ((task)->t_flags |= TF_CORPSE) | |
| #define task_corpse_pending_report(task) \ | |
| (((task)->t_flags & TF_PENDING_CORPSE) != 0) | |
| #define task_set_corpse_pending_report(task) \ | |
| ((task)->t_flags |= TF_PENDING_CORPSE) | |
| #define task_clear_corpse_pending_report(task) \ | |
| ((task)->t_flags &= ~TF_PENDING_CORPSE) | |
| #define task_is_a_corpse_fork(task) \ | |
| (((task)->t_flags & TF_CORPSE_FORK) != 0) | |
| uint32_t t_procflags; /* general-purpose task flags protected by proc_lock (PL) */ | |
| #define TPF_NONE 0 | |
| #define TPF_DID_EXEC 0x00000001 /* task has been execed to a new task */ | |
| #define TPF_EXEC_COPY 0x00000002 /* task is the new copy of an exec */ | |
| #define task_did_exec_internal(task) \ | |
| (((task)->t_procflags & TPF_DID_EXEC) != 0) | |
| #define task_is_exec_copy_internal(task) \ | |
| (((task)->t_procflags & TPF_EXEC_COPY) != 0) | |
| mach_vm_address_t all_image_info_addr; /* dyld __all_image_info */ | |
| mach_vm_size_t all_image_info_size; /* section location and size */ | |
| #if KPERF | |
| #define TASK_PMC_FLAG 0x1 /* Bit in "t_chud" signifying PMC interest */ | |
| #define TASK_KPC_FORCED_ALL_CTRS 0x2 /* Bit in "t_chud" signifying KPC forced all counters */ | |
| uint32_t t_chud; /* CHUD flags, used for Shark */ | |
| #endif | |
| boolean_t pidsuspended; /* pid_suspend called; no threads can execute */ | |
| boolean_t frozen; /* frozen; private resident pages committed to swap */ | |
| boolean_t changing_freeze_state; /* in the process of freezing or thawing */ | |
| uint16_t policy_ru_cpu :4, | |
| policy_ru_cpu_ext :4, | |
| applied_ru_cpu :4, | |
| applied_ru_cpu_ext :4; | |
| uint8_t rusage_cpu_flags; | |
| uint8_t rusage_cpu_percentage; /* Task-wide CPU limit percentage */ | |
| uint64_t rusage_cpu_interval; /* Task-wide CPU limit interval */ | |
| uint8_t rusage_cpu_perthr_percentage; /* Per-thread CPU limit percentage */ | |
| uint64_t rusage_cpu_perthr_interval; /* Per-thread CPU limit interval */ | |
| uint64_t rusage_cpu_deadline; | |
| thread_call_t rusage_cpu_callt; | |
| #if CONFIG_EMBEDDED | |
| queue_head_t task_watchers; /* app state watcher threads */ | |
| int num_taskwatchers; | |
| int watchapplying; | |
| #endif /* CONFIG_EMBEDDED */ | |
| #if CONFIG_ATM | |
| struct atm_task_descriptor *atm_context; /* pointer to per task atm descriptor */ | |
| #endif | |
| struct bank_task *bank_context; /* pointer to per task bank structure */ | |
| #if IMPORTANCE_INHERITANCE | |
| struct ipc_importance_task *task_imp_base; /* Base of IPC importance chain */ | |
| #endif /* IMPORTANCE_INHERITANCE */ | |
| vm_extmod_statistics_data_t extmod_statistics; | |
| #if MACH_ASSERT | |
| int8_t suspends_outstanding; /* suspends this task performed in excess of resumes */ | |
| #endif | |
| struct task_requested_policy requested_policy; | |
| struct task_effective_policy effective_policy; | |
| /* | |
| * Can be merged with imp_donor bits, once the IMPORTANCE_INHERITANCE macro goes away. | |
| */ | |
| uint32_t low_mem_notified_warn :1, /* warning low memory notification is sent to the task */ | |
| low_mem_notified_critical :1, /* critical low memory notification is sent to the task */ | |
| purged_memory_warn :1, /* purgeable memory of the task is purged for warning level pressure */ | |
| purged_memory_critical :1, /* purgeable memory of the task is purged for critical level pressure */ | |
| low_mem_privileged_listener :1, /* if set, task would like to know about pressure changes before other tasks on the system */ | |
| mem_notify_reserved :27; /* reserved for future use */ | |
| uint32_t memlimit_is_active :1, /* if set, use active attributes, otherwise use inactive attributes */ | |
| memlimit_is_fatal :1, /* if set, exceeding current memlimit will prove fatal to the task */ | |
| memlimit_active_exc_resource :1, /* if set, suppress exc_resource exception when task exceeds active memory limit */ | |
| memlimit_inactive_exc_resource :1, /* if set, suppress exc_resource exception when task exceeds inactive memory limit */ | |
| memlimit_attrs_reserved :28; /* reserved for future use */ | |
| io_stat_info_t task_io_stats; | |
| uint64_t task_immediate_writes __attribute__((aligned(8))); | |
| uint64_t task_deferred_writes __attribute__((aligned(8))); | |
| uint64_t task_invalidated_writes __attribute__((aligned(8))); | |
| uint64_t task_metadata_writes __attribute__((aligned(8))); | |
| /* | |
| * The cpu_time_qos_stats fields are protected by the task lock | |
| */ | |
| struct _cpu_time_qos_stats cpu_time_qos_stats; | |
| /* Statistics accumulated for terminated threads from this task */ | |
| uint32_t task_timer_wakeups_bin_1; | |
| uint32_t task_timer_wakeups_bin_2; | |
| uint64_t task_gpu_ns; | |
| uint64_t task_energy; | |
| #if MONOTONIC | |
| /* Read and written under task_lock */ | |
| struct mt_task task_monotonic; | |
| #endif /* MONOTONIC */ | |
| /* # of purgeable volatile VM objects owned by this task: */ | |
| int task_volatile_objects; | |
| /* # of purgeable but not volatile VM objects owned by this task: */ | |
| int task_nonvolatile_objects; | |
| boolean_t task_purgeable_disowning; | |
| boolean_t task_purgeable_disowned; | |
| /* | |
| * A task's coalition set is "adopted" in task_create_internal | |
| * and unset in task_deallocate_internal, so each array member | |
| * can be referenced without the task lock. | |
| * Note: these fields are protected by coalition->lock, | |
| * not the task lock. | |
| */ | |
| coalition_t coalition[COALITION_NUM_TYPES]; | |
| queue_chain_t task_coalition[COALITION_NUM_TYPES]; | |
| uint64_t dispatchqueue_offset; | |
| #if DEVELOPMENT || DEBUG | |
| boolean_t task_unnested; | |
| int task_disconnected_count; | |
| #endif | |
| #if HYPERVISOR | |
| void *hv_task_target; /* hypervisor virtual machine object associated with this task */ | |
| #endif /* HYPERVISOR */ | |
| #if CONFIG_SECLUDED_MEMORY | |
| boolean_t task_can_use_secluded_mem; | |
| boolean_t task_could_use_secluded_mem; | |
| boolean_t task_could_also_use_secluded_mem; | |
| #endif /* CONFIG_SECLUDED_MEMORY */ | |
| queue_head_t io_user_clients; | |
| uint32_t exec_token; | |
| }; | |
| #define task_lock(task) lck_mtx_lock(&(task)->lock) | |
| #define task_lock_assert_owned(task) LCK_MTX_ASSERT(&(task)->lock, LCK_MTX_ASSERT_OWNED) | |
| #define task_lock_try(task) lck_mtx_try_lock(&(task)->lock) | |
| #define task_unlock(task) lck_mtx_unlock(&(task)->lock) | |
| #define itk_lock_init(task) lck_mtx_init(&(task)->itk_lock_data, &ipc_lck_grp, &ipc_lck_attr) | |
| #define itk_lock_destroy(task) lck_mtx_destroy(&(task)->itk_lock_data, &ipc_lck_grp) | |
| #define itk_lock(task) lck_mtx_lock(&(task)->itk_lock_data) | |
| #define itk_unlock(task) lck_mtx_unlock(&(task)->itk_lock_data) | |
| #define TASK_REFERENCE_LEAK_DEBUG 0 | |
| #if TASK_REFERENCE_LEAK_DEBUG | |
| extern void task_reference_internal(task_t task); | |
| extern uint32_t task_deallocate_internal(task_t task); | |
| #else | |
| #define task_reference_internal(task) \ | |
| (void)atomic_fetch_add_explicit(&(task)->ref_count, 1, memory_order_relaxed) | |
| #define task_deallocate_internal(task) \ | |
| (atomic_fetch_sub_explicit(&task->ref_count, 1, memory_order_release) - 1) | |
| #endif | |
| #define task_reference(task) \ | |
| MACRO_BEGIN \ | |
| if ((task) != TASK_NULL) \ | |
| task_reference_internal(task); \ | |
| MACRO_END | |
| extern kern_return_t kernel_task_create( | |
| task_t task, | |
| vm_offset_t map_base, | |
| vm_size_t map_size, | |
| task_t *child); | |
| /* Initialize task module */ | |
| extern void task_init(void); | |
| /* coalition_init() calls this to initialize ledgers before task_init() */ | |
| extern void init_task_ledgers(void); | |
| #define current_task_fast() (current_thread()->task) | |
| #define current_task() current_task_fast() | |
| extern lck_attr_t task_lck_attr; | |
| extern lck_grp_t task_lck_grp; | |
| #else /* MACH_KERNEL_PRIVATE */ | |
| __BEGIN_DECLS | |
| extern task_t current_task(void); | |
| extern void task_reference(task_t task); | |
| #define TF_NONE 0 | |
| #define TF_LRETURNWAIT 0x00000100 /* task is waiting for fork/posix_spawn/exec to complete */ | |
| #define TF_LRETURNWAITER 0x00000200 /* task is waiting for TF_LRETURNWAIT to get cleared */ | |
| #define TPF_NONE 0 | |
| #define TPF_EXEC_COPY 0x00000002 /* task is the new copy of an exec */ | |
| __END_DECLS | |
| #endif /* MACH_KERNEL_PRIVATE */ | |
| __BEGIN_DECLS | |
| #ifdef XNU_KERNEL_PRIVATE | |
| /* Hold all threads in a task */ | |
| extern kern_return_t task_hold( | |
| task_t task); | |
| /* Wait for task to stop running, either just to get off CPU or to cease being runnable */ | |
| extern kern_return_t task_wait( | |
| task_t task, | |
| boolean_t until_not_runnable); | |
| /* Release hold on all threads in a task */ | |
| extern kern_return_t task_release( | |
| task_t task); | |
| /* Suspend/resume a task where the kernel owns the suspend count */ | |
| extern kern_return_t task_suspend_internal( task_t task); | |
| extern kern_return_t task_resume_internal( task_t task); | |
| /* Suspends a task by placing a hold on its threads */ | |
| extern kern_return_t task_pidsuspend( | |
| task_t task); | |
| extern kern_return_t task_pidsuspend_locked( | |
| task_t task); | |
| /* Resumes a previously paused task */ | |
| extern kern_return_t task_pidresume( | |
| task_t task); | |
| extern kern_return_t task_send_trace_memory( | |
| task_t task, | |
| uint32_t pid, | |
| uint64_t uniqueid); | |
| #if DEVELOPMENT || DEBUG | |
| extern kern_return_t task_disconnect_page_mappings( | |
| task_t task); | |
| #endif | |
| extern void tasks_system_suspend(boolean_t suspend); | |
| #if CONFIG_FREEZE | |
| /* Freeze a task's resident pages */ | |
| extern kern_return_t task_freeze( | |
| task_t task, | |
| uint32_t *purgeable_count, | |
| uint32_t *wired_count, | |
| uint32_t *clean_count, | |
| uint32_t *dirty_count, | |
| uint32_t dirty_budget, | |
| boolean_t *shared, | |
| boolean_t walk_only); | |
| /* Thaw a currently frozen task */ | |
| extern kern_return_t task_thaw( | |
| task_t task); | |
| #endif /* CONFIG_FREEZE */ | |
| /* Halt all other threads in the current task */ | |
| extern kern_return_t task_start_halt( | |
| task_t task); | |
| /* Wait for other threads to halt and free halting task resources */ | |
| extern void task_complete_halt( | |
| task_t task); | |
| extern kern_return_t task_terminate_internal( | |
| task_t task); | |
| extern kern_return_t task_create_internal( | |
| task_t parent_task, | |
| coalition_t *parent_coalitions, | |
| boolean_t inherit_memory, | |
| boolean_t is_64bit, | |
| uint32_t flags, | |
| uint32_t procflags, | |
| task_t *child_task); /* OUT */ | |
| extern kern_return_t task_info( | |
| task_t task, | |
| task_flavor_t flavor, | |
| task_info_t task_info_out, | |
| mach_msg_type_number_t *task_info_count); | |
| extern void task_power_info_locked( | |
| task_t task, | |
| task_power_info_t info, | |
| gpu_energy_data_t gpu_energy, | |
| task_power_info_v2_t infov2); | |
| extern uint64_t task_gpu_utilisation( | |
| task_t task); | |
| extern uint64_t task_energy( | |
| task_t task); | |
| extern uint64_t task_cpu_ptime( | |
| task_t task); | |
| extern void task_vtimer_set( | |
| task_t task, | |
| integer_t which); | |
| extern void task_vtimer_clear( | |
| task_t task, | |
| integer_t which); | |
| extern void task_vtimer_update( | |
| task_t task, | |
| integer_t which, | |
| uint32_t *microsecs); | |
| #define TASK_VTIMER_USER 0x01 | |
| #define TASK_VTIMER_PROF 0x02 | |
| #define TASK_VTIMER_RLIM 0x04 | |
| extern void task_set_64bit( | |
| task_t task, | |
| boolean_t is64bit); | |
| extern void task_set_platform_binary( | |
| task_t task, | |
| boolean_t is_platform); | |
| extern void task_backing_store_privileged( | |
| task_t task); | |
| extern void task_set_dyld_info( | |
| task_t task, | |
| mach_vm_address_t addr, | |
| mach_vm_size_t size); | |
| /* Get number of activations in a task */ | |
| extern int get_task_numacts( | |
| task_t task); | |
| extern int get_task_numactivethreads(task_t task); | |
| struct label; | |
| extern kern_return_t task_collect_crash_info( | |
| task_t task, | |
| #if CONFIG_MACF | |
| struct label *crash_label, | |
| #endif | |
| int is_corpse_fork); | |
| void task_port_notify(mach_msg_header_t *msg); | |
| void task_wait_till_threads_terminate_locked(task_t task); | |
| /* JMM - should just be temporary (implementation in bsd_kern still) */ | |
| extern void set_bsdtask_info(task_t,void *); | |
| extern vm_map_t get_task_map_reference(task_t); | |
| extern vm_map_t swap_task_map(task_t, thread_t, vm_map_t); | |
| extern pmap_t get_task_pmap(task_t); | |
| extern uint64_t get_task_resident_size(task_t); | |
| extern uint64_t get_task_compressed(task_t); | |
| extern uint64_t get_task_resident_max(task_t); | |
| extern uint64_t get_task_phys_footprint(task_t); | |
| extern uint64_t get_task_phys_footprint_recent_max(task_t); | |
| extern uint64_t get_task_phys_footprint_lifetime_max(task_t); | |
| extern uint64_t get_task_phys_footprint_limit(task_t); | |
| extern uint64_t get_task_purgeable_size(task_t); | |
| extern uint64_t get_task_cpu_time(task_t); | |
| extern uint64_t get_task_dispatchqueue_offset(task_t); | |
| extern uint64_t get_task_dispatchqueue_serialno_offset(task_t); | |
| extern uint64_t get_task_uniqueid(task_t task); | |
| extern int get_task_version(task_t task); | |
| extern uint64_t get_task_internal(task_t); | |
| extern uint64_t get_task_internal_compressed(task_t); | |
| extern uint64_t get_task_purgeable_nonvolatile(task_t); | |
| extern uint64_t get_task_purgeable_nonvolatile_compressed(task_t); | |
| extern uint64_t get_task_iokit_mapped(task_t); | |
| extern uint64_t get_task_alternate_accounting(task_t); | |
| extern uint64_t get_task_alternate_accounting_compressed(task_t); | |
| extern uint64_t get_task_memory_region_count(task_t); | |
| extern uint64_t get_task_page_table(task_t); | |
| extern kern_return_t task_convert_phys_footprint_limit(int, int *); | |
| extern kern_return_t task_set_phys_footprint_limit_internal(task_t, int, int *, boolean_t, boolean_t); | |
| extern kern_return_t task_get_phys_footprint_limit(task_t task, int *limit_mb); | |
| /* Jetsam memlimit attributes */ | |
| extern boolean_t task_get_memlimit_is_active(task_t task); | |
| extern boolean_t task_get_memlimit_is_fatal(task_t task); | |
| extern void task_set_memlimit_is_active(task_t task, boolean_t memlimit_is_active); | |
| extern void task_set_memlimit_is_fatal(task_t task, boolean_t memlimit_is_fatal); | |
| extern boolean_t task_has_triggered_exc_resource(task_t task, boolean_t memlimit_is_active); | |
| extern void task_mark_has_triggered_exc_resource(task_t task, boolean_t memlimit_is_active); | |
| extern boolean_t is_kerneltask(task_t task); | |
| extern boolean_t is_corpsetask(task_t task); | |
| extern kern_return_t check_actforsig(task_t task, thread_t thread, int setast); | |
| extern kern_return_t machine_task_get_state( | |
| task_t task, | |
| int flavor, | |
| thread_state_t state, | |
| mach_msg_type_number_t *state_count); | |
| extern kern_return_t machine_task_set_state( | |
| task_t task, | |
| int flavor, | |
| thread_state_t state, | |
| mach_msg_type_number_t state_count); | |
| extern void machine_task_terminate(task_t task); | |
| struct _task_ledger_indices { | |
| int cpu_time; | |
| int tkm_private; | |
| int tkm_shared; | |
| int phys_mem; | |
| int wired_mem; | |
| int internal; | |
| int iokit_mapped; | |
| int alternate_accounting; | |
| int alternate_accounting_compressed; | |
| int page_table; | |
| int phys_footprint; | |
| int internal_compressed; | |
| int purgeable_volatile; | |
| int purgeable_nonvolatile; | |
| int purgeable_volatile_compressed; | |
| int purgeable_nonvolatile_compressed; | |
| int platform_idle_wakeups; | |
| int interrupt_wakeups; | |
| #if CONFIG_SCHED_SFI | |
| int sfi_wait_times[MAX_SFI_CLASS_ID]; | |
| #endif /* CONFIG_SCHED_SFI */ | |
| int cpu_time_billed_to_me; | |
| int cpu_time_billed_to_others; | |
| int physical_writes; | |
| int logical_writes; | |
| int energy_billed_to_me; | |
| int energy_billed_to_others; | |
| }; | |
| extern struct _task_ledger_indices task_ledgers; | |
| /* requires task to be unlocked, returns a referenced thread */ | |
| thread_t task_findtid(task_t task, uint64_t tid); | |
| int pid_from_task(task_t task); | |
| extern kern_return_t task_wakeups_monitor_ctl(task_t task, uint32_t *rate_hz, int32_t *flags); | |
| extern kern_return_t task_cpu_usage_monitor_ctl(task_t task, uint32_t *flags); | |
| extern void task_rollup_accounting_info(task_t new_task, task_t parent_task); | |
| extern kern_return_t task_io_monitor_ctl(task_t task, uint32_t *flags); | |
| extern void task_set_did_exec_flag(task_t task); | |
| extern void task_clear_exec_copy_flag(task_t task); | |
| extern boolean_t task_is_exec_copy(task_t); | |
| extern boolean_t task_did_exec(task_t task); | |
| extern boolean_t task_is_active(task_t task); | |
| extern boolean_t task_is_halting(task_t task); | |
| extern void task_clear_return_wait(task_t task); | |
| extern void task_wait_to_return(void); | |
| extern event_t task_get_return_wait_event(task_t task); | |
| extern void task_atm_reset(task_t task); | |
| extern void task_bank_reset(task_t task); | |
| extern void task_bank_init(task_t task); | |
| extern int task_pid(task_t task); | |
| extern boolean_t task_has_assertions(task_t task); | |
| /* End task_policy */ | |
| extern void task_set_gpu_denied(task_t task, boolean_t denied); | |
| extern boolean_t task_is_gpu_denied(task_t task); | |
| extern queue_head_t * task_io_user_clients(task_t task); | |
| extern void task_copy_fields_for_exec(task_t dst_task, task_t src_task); | |
| #endif /* XNU_KERNEL_PRIVATE */ | |
| #ifdef KERNEL_PRIVATE | |
| extern void *get_bsdtask_info(task_t); | |
| extern void *get_bsdthreadtask_info(thread_t); | |
| extern void task_bsdtask_kill(task_t); | |
| extern vm_map_t get_task_map(task_t); | |
| extern ledger_t get_task_ledger(task_t); | |
| extern boolean_t get_task_pidsuspended(task_t); | |
| extern boolean_t get_task_frozen(task_t); | |
| /* Convert from a task to a port */ | |
| extern ipc_port_t convert_task_to_port(task_t); | |
| extern ipc_port_t convert_task_name_to_port(task_name_t); | |
| extern ipc_port_t convert_task_inspect_to_port(task_inspect_t); | |
| extern ipc_port_t convert_task_suspension_token_to_port(task_suspension_token_t task); | |
| /* Convert from a port (in this case, an SO right to a task's resume port) to a task. */ | |
| extern task_suspension_token_t convert_port_to_task_suspension_token(ipc_port_t port); | |
| extern boolean_t task_suspension_notify(mach_msg_header_t *); | |
| #define TASK_WRITE_IMMEDIATE 0x1 | |
| #define TASK_WRITE_DEFERRED 0x2 | |
| #define TASK_WRITE_INVALIDATED 0x4 | |
| #define TASK_WRITE_METADATA 0x8 | |
| extern void task_update_logical_writes(task_t task, uint32_t io_size, int flags, void *vp); | |
| #if CONFIG_SECLUDED_MEMORY | |
| extern void task_set_can_use_secluded_mem( | |
| task_t task, | |
| boolean_t can_use_secluded_mem); | |
| extern void task_set_could_use_secluded_mem( | |
| task_t task, | |
| boolean_t could_use_secluded_mem); | |
| extern void task_set_could_also_use_secluded_mem( | |
| task_t task, | |
| boolean_t could_also_use_secluded_mem); | |
| extern boolean_t task_can_use_secluded_mem(task_t task); | |
| extern boolean_t task_could_use_secluded_mem(task_t task); | |
| #endif /* CONFIG_SECLUDED_MEMORY */ | |
| #if CONFIG_MACF | |
| extern struct label *get_task_crash_label(task_t task); | |
| #endif /* CONFIG_MACF */ | |
| #endif /* KERNEL_PRIVATE */ | |
| extern task_t kernel_task; | |
| extern void task_deallocate( | |
| task_t task); | |
| extern void task_name_deallocate( | |
| task_name_t task_name); | |
| extern void task_inspect_deallocate( | |
| task_inspect_t task_inspect); | |
| extern void task_suspension_token_deallocate( | |
| task_suspension_token_t token); | |
| __END_DECLS | |
| #endif /* _KERN_TASK_H_ */ |