* Copyright (c) 2000-2018 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
* 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,
* 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.
*/
* Copyright (c) 2005 SPARTA, Inc.
*/
-#ifndef _KERN_TASK_H_
+#ifndef _KERN_TASK_H_
#define _KERN_TASK_H_
#include <kern/kern_types.h>
#include <kern/queue.h>
#endif /* XNU_KERNEL_PRIVATE */
-#ifdef MACH_KERNEL_PRIVATE
+#ifdef MACH_KERNEL_PRIVATE
#include <mach/boolean.h>
#include <mach/port.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;
+ 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 */
- os_refcnt_t ref_count; /* Number of references to me */
- boolean_t active; /* Task has not been terminated */
- boolean_t halting; /* Task is being halted */
+ decl_lck_mtx_data(, lock) /* Task's lock */
+ os_refcnt_t ref_count; /* Number of references to me */
+ boolean_t active; /* Task has not been terminated */
+ boolean_t halting; /* Task is being halted */
/* Virtual timers */
- uint32_t vtimers;
+ uint32_t vtimers;
/* Miscellaneous */
- vm_map_t map; /* Address space description */
- queue_chain_t tasks; /* global list of tasks */
+ vm_map_t map; /* Address space description */
+ queue_chain_t tasks; /* global list of tasks */
#if defined(CONFIG_SCHED_MULTIQ)
sched_group_t sched_group;
#endif /* defined(CONFIG_SCHED_MULTIQ) */
/* Threads in this task */
- queue_head_t threads;
+ queue_head_t threads;
- processor_set_t pset_hint;
- struct affinity_space *affinity_space;
+ processor_set_t pset_hint;
+ struct affinity_space *affinity_space;
- int thread_count;
- uint32_t active_thread_count;
- int suspend_count; /* Internal scheduling only */
+ 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 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 priority; /* base priority for threads */
+ integer_t max_priority; /* maximum priority for threads */
- integer_t importance; /* priority offset (BSD 'nice' value) */
+ integer_t importance; /* priority offset (BSD 'nice' value) */
/* Task security and audit tokens */
security_token_t sec_token;
- audit_token_t audit_token;
+ audit_token_t audit_token;
/* Statistics */
- uint64_t total_user_time; /* terminated threads only */
- uint64_t total_system_time;
- uint64_t total_ptime;
- uint64_t total_runnable_time;
+ uint64_t total_user_time; /* terminated threads only */
+ uint64_t total_system_time;
+ uint64_t total_ptime;
+ uint64_t total_runnable_time;
/* 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 */
+ 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 */
+ /* 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_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 */
+ /* all send rights */
struct ipc_space *itk_space;
- ledger_t ledger;
+ ledger_t ledger;
/* Synchronizer ownership information */
- queue_head_t semaphore_list; /* list of owned semaphores */
- int semaphores_owned; /* number of semaphores owned */
+ queue_head_t semaphore_list; /* list of owned semaphores */
+ int semaphores_owned; /* number of semaphores owned */
- unsigned int priv_flags; /* privilege resource flags */
-#define VM_BACKING_STORE_PRIV 0x1
+ 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
+ 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;
+#endif
+ kcdata_descriptor_t corpse_info;
+ uint64_t crashed_thread_id;
+ queue_chain_t corpse_tasks;
#ifdef CONFIG_MACF
- struct label * crash_label;
+ struct label * crash_label;
#endif
- struct vm_shared_region *shared_region;
+ 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_PLATFORM 0x00000400 /* task is a platform binary */
#define TF_CA_CLIENT_WI 0x00000800 /* task has CA_CLIENT work interval */
#define TF_DARKWAKE_MODE 0x00001000 /* task is in darkwake mode */
+#define TF_NO_SMT 0x00002000 /* task threads must not be paired with SMT threads */
/*
* Task is running within a 64-bit address space.
*/
-#define task_has_64Bit_addr(task) \
+#define task_has_64Bit_addr(task) \
(((task)->t_flags & TF_64B_ADDR) != 0)
-#define task_set_64Bit_addr(task) \
+#define task_set_64Bit_addr(task) \
((task)->t_flags |= TF_64B_ADDR)
-#define task_clear_64Bit_addr(task) \
+#define task_clear_64Bit_addr(task) \
((task)->t_flags &= ~TF_64B_ADDR)
/*
* Task is using 64-bit machine state.
*/
-#define task_has_64Bit_data(task) \
+#define task_has_64Bit_data(task) \
(((task)->t_flags & TF_64B_DATA) != 0)
-#define task_set_64Bit_data(task) \
+#define task_set_64Bit_data(task) \
((task)->t_flags |= TF_64B_DATA)
-#define task_clear_64Bit_data(task) \
+#define task_clear_64Bit_data(task) \
((task)->t_flags &= ~TF_64B_DATA)
#define task_is_a_corpse(task) \
#define task_set_corpse(task) \
((task)->t_flags |= TF_CORPSE)
-#define task_corpse_pending_report(task) \
+#define task_corpse_pending_report(task) \
(((task)->t_flags & TF_PENDING_CORPSE) != 0)
#define task_set_corpse_pending_report(task) \
#define task_clear_corpse_pending_report(task) \
((task)->t_flags &= ~TF_PENDING_CORPSE)
-#define task_is_a_corpse_fork(task) \
+#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_LOG_32BIT_TELEMETRY 0x00000004 /* task should log identifying information */
#endif
-#define task_did_exec_internal(task) \
+#define task_did_exec_internal(task) \
(((task)->t_procflags & TPF_DID_EXEC) != 0)
-#define task_is_exec_copy_internal(task) \
+#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 */
+ 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 KPC
-#define TASK_KPC_FORCED_ALL_CTRS 0x2 /* Bit in "t_kpc" signifying this task forced all counters */
+#define TASK_KPC_FORCED_ALL_CTRS 0x2 /* Bit in "t_kpc" signifying this task forced all counters */
uint32_t t_kpc; /* kpc flags */
#endif /* KPC */
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 */
+ 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;
+ 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 */
+ uint8_t rusage_cpu_percentage; /* Task-wide CPU limit percentage */
uint8_t rusage_cpu_perthr_percentage; /* Per-thread CPU limit percentage */
#if MACH_ASSERT
- int8_t suspends_outstanding; /* suspends this task performed in excess of resumes */
+ int8_t suspends_outstanding; /* suspends this task performed in excess of resumes */
#endif
- uint64_t rusage_cpu_interval; /* Task-wide CPU limit interval */
+ uint64_t rusage_cpu_interval; /* Task-wide CPU limit interval */
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;
+ queue_head_t task_watchers; /* app state watcher threads */
+ int num_taskwatchers;
+ int watchapplying;
#endif /* CONFIG_EMBEDDED */
#if CONFIG_ATM
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 */
+ struct ipc_importance_task *task_imp_base; /* Base of IPC importance chain */
#endif /* IMPORTANCE_INHERITANCE */
- vm_extmod_statistics_data_t extmod_statistics;
+ vm_extmod_statistics_data_t extmod_statistics;
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 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)));
-
- /*
+ 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_eqos_stats;
- struct _cpu_time_qos_stats cpu_time_rqos_stats;
+ struct _cpu_time_qos_stats cpu_time_eqos_stats;
+ struct _cpu_time_qos_stats cpu_time_rqos_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;
+ 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 */
#endif /* MONOTONIC */
/* # of purgeable volatile VM objects owned by this task: */
- int task_volatile_objects;
+ 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;
- queue_head_t task_objq;
- decl_lck_mtx_data(,task_objq_lock) /* protects "task_objq" */
+ int task_nonvolatile_objects;
+ boolean_t task_purgeable_disowning;
+ boolean_t task_purgeable_disowned;
+ queue_head_t task_objq;
+ decl_lck_mtx_data(, task_objq_lock) /* protects "task_objq" */
- unsigned int task_thread_limit:16;
+ unsigned int task_thread_limit:16;
#if __arm64__
- unsigned int task_legacy_footprint:1;
+ unsigned int task_legacy_footprint:1;
#endif /* __arm64__ */
- unsigned int task_region_footprint:1;
- unsigned int task_has_crossed_thread_limit:1;
- uint32_t exec_token;
+ unsigned int task_region_footprint:1;
+ unsigned int task_has_crossed_thread_limit:1;
+ uint32_t exec_token;
/*
* A task's coalition set is "adopted" in task_create_internal
* and unset in task_deallocate_internal, so each array member
* Note: these fields are protected by coalition->lock,
* not the task lock.
*/
- coalition_t coalition[COALITION_NUM_TYPES];
+ 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;
+ boolean_t task_unnested;
+ int task_disconnected_count;
#endif
#if HYPERVISOR
#endif /* HYPERVISOR */
#if CONFIG_SECLUDED_MEMORY
- uint8_t task_can_use_secluded_mem;
- uint8_t task_could_use_secluded_mem;
- uint8_t task_could_also_use_secluded_mem;
- uint8_t task_suppressed_secluded;
+ uint8_t task_can_use_secluded_mem;
+ uint8_t task_could_use_secluded_mem;
+ uint8_t task_could_also_use_secluded_mem;
+ uint8_t task_suppressed_secluded;
#endif /* CONFIG_SECLUDED_MEMORY */
uint32_t task_exc_guard;
extern uint32_t task_exc_guard_default;
extern kern_return_t
-task_violated_guard(mach_exception_code_t, mach_exception_subcode_t, void *);
+ task_violated_guard(mach_exception_code_t, mach_exception_subcode_t, void *);
-#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 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 task_objq_lock_init(task) lck_mtx_init(&(task)->task_objq_lock, &vm_object_lck_grp, &vm_object_lck_attr)
-#define task_objq_lock(task) lck_mtx_lock(&(task)->task_objq_lock)
-#define task_objq_lock_assert_owned(task) LCK_MTX_ASSERT(&(task)->task_objq_lock, LCK_MTX_ASSERT_OWNED)
-#define task_objq_lock_try(task) lck_mtx_try_lock(&(task)->task_objq_lock)
-#define task_objq_unlock(task) lck_mtx_unlock(&(task)->task_objq_lock)
+#define task_objq_lock_init(task) lck_mtx_init(&(task)->task_objq_lock, &vm_object_lck_grp, &vm_object_lck_attr)
+#define task_objq_lock(task) lck_mtx_lock(&(task)->task_objq_lock)
+#define task_objq_lock_assert_owned(task) LCK_MTX_ASSERT(&(task)->task_objq_lock, LCK_MTX_ASSERT_OWNED)
+#define task_objq_lock_try(task) lck_mtx_try_lock(&(task)->task_objq_lock)
+#define task_objq_unlock(task) lck_mtx_unlock(&(task)->task_objq_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 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
#define task_deallocate_internal(task) os_ref_release(&(task)->ref_count)
#endif
-#define task_reference(task) \
-MACRO_BEGIN \
- if ((task) != TASK_NULL) \
- task_reference_internal(task); \
+#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);
+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);
+extern void task_init(void);
/* coalition_init() calls this to initialize ledgers before task_init() */
-extern void init_task_ledgers(void);
+extern void init_task_ledgers(void);
-#define current_task_fast() (current_thread()->task)
-#define current_task() current_task_fast()
+#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 */
+#else /* MACH_KERNEL_PRIVATE */
__BEGIN_DECLS
-extern task_t current_task(void);
+extern task_t current_task(void);
-extern void task_reference(task_t task);
+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 */
__END_DECLS
-#endif /* MACH_KERNEL_PRIVATE */
+#endif /* MACH_KERNEL_PRIVATE */
__BEGIN_DECLS
-#ifdef XNU_KERNEL_PRIVATE
+#ifdef XNU_KERNEL_PRIVATE
/* Hold all threads in a task */
-extern kern_return_t task_hold(
- task_t 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);
+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);
+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);
/* Suspends a task by placing a hold on its threads */
extern kern_return_t task_pidsuspend(
- task_t task);
+ task_t task);
extern kern_return_t task_pidsuspend_locked(
- task_t task);
+ task_t task);
/* Resumes a previously paused task */
extern kern_return_t task_pidresume(
- task_t task);
+ task_t task);
-extern kern_return_t task_send_trace_memory(
- task_t task,
- uint32_t pid,
- uint64_t uniqueid);
+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);
+extern kern_return_t task_disconnect_page_mappings(
+ task_t task);
#endif
-extern void tasks_system_suspend(boolean_t suspend);
+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,
- uint32_t *shared_count,
- int *freezer_error_code,
- boolean_t eval_only);
+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,
+ uint32_t *shared_count,
+ int *freezer_error_code,
+ boolean_t eval_only);
/* Thaw a currently frozen task */
-extern kern_return_t task_thaw(
- task_t 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);
+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,
- boolean_t is_64bit_data,
- 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_update_cpu_time_qos_stats(
- task_t task,
- uint64_t *eqos_stats,
- uint64_t *rqos_stats);
-
-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 is_64bit,
- boolean_t is_64bit_data);
-
-extern boolean_t task_get_64bit_data(
- task_t task);
-
-extern void task_set_platform_binary(
- task_t task,
- boolean_t is_platform);
-extern bool task_set_ca_client_wi(
- task_t task,
- boolean_t ca_client_wi);
-
-extern void task_set_dyld_info(
- task_t task,
- mach_vm_address_t addr,
- mach_vm_size_t size);
+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,
+ boolean_t is_64bit_data,
+ 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_update_cpu_time_qos_stats(
+ task_t task,
+ uint64_t *eqos_stats,
+ uint64_t *rqos_stats);
+
+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 is_64bit,
+ boolean_t is_64bit_data);
+
+extern boolean_t task_get_64bit_data(
+ task_t task);
+
+extern void task_set_platform_binary(
+ task_t task,
+ boolean_t is_platform);
+extern bool task_set_ca_client_wi(
+ task_t task,
+ boolean_t ca_client_wi);
+
+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_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,
+ task_t task,
#if CONFIG_MACF
- struct label *crash_label,
+ struct label *crash_label,
#endif
- int is_corpse_fork);
+ 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 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 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);
#if CONFIG_LEDGER_INTERVAL_MAX
-extern uint64_t get_task_phys_footprint_interval_max(task_t, int reset);
+extern uint64_t get_task_phys_footprint_interval_max(task_t, int reset);
#endif /* CONFIG_FOOTPRINT_INTERVAL_MAX */
-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_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 void task_set_thread_limit(task_t task, uint16_t thread_limit);
-extern boolean_t is_kerneltask(task_t task);
-extern boolean_t is_corpsetask(task_t task);
+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);
+ 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);
+ task_t task,
+ int flavor,
+ thread_state_t state,
+ mach_msg_type_number_t state_count);
extern void machine_task_terminate(task_t task);
int logical_writes;
int energy_billed_to_me;
int energy_billed_to_others;
+ int pages_grabbed;
+ int pages_grabbed_kern;
+ int pages_grabbed_iopl;
+ int pages_grabbed_upl;
};
extern struct _task_ledger_indices task_ledgers;
extern void task_copy_fields_for_exec(task_t dst_task, task_t src_task);
-#endif /* XNU_KERNEL_PRIVATE */
+#endif /* XNU_KERNEL_PRIVATE */
-#ifdef KERNEL_PRIVATE
+#ifdef KERNEL_PRIVATE
-extern void *get_bsdtask_info(task_t);
-extern void *get_bsdthreadtask_info(thread_t);
+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 ledger_t get_task_ledger(task_t);
extern boolean_t get_task_pidsuspended(task_t);
extern boolean_t get_task_frozen(task_t);
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);
+#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(
extern struct label *get_task_crash_label(task_t task);
#endif /* CONFIG_MACF */
-#endif /* KERNEL_PRIVATE */
+#endif /* KERNEL_PRIVATE */
-extern task_t kernel_task;
+extern task_t kernel_task;
-extern void task_deallocate(
- task_t task);
+extern void task_deallocate(
+ task_t task);
-extern void task_name_deallocate(
- task_name_t task_name);
+extern void task_name_deallocate(
+ task_name_t task_name);
-extern void task_inspect_deallocate(
- task_inspect_t task_inspect);
+extern void task_inspect_deallocate(
+ task_inspect_t task_inspect);
-extern void task_suspension_token_deallocate(
- task_suspension_token_t token);
+extern void task_suspension_token_deallocate(
+ task_suspension_token_t token);
extern boolean_t task_self_region_footprint(void);
extern void task_self_region_footprint_set(boolean_t newval);
__END_DECLS
-#endif /* _KERN_TASK_H_ */
+#endif /* _KERN_TASK_H_ */
projects / apple / xnu.git / blobdiff