#ifndef _KERN_TASK_H_
#define _KERN_TASK_H_
#include <kern/kern_types.h>
#include <mach/mach_types.h>
#include <sys/cdefs.h>
#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>
#include <kern/cpu_data.h>
#include <kern/queue.h>
#include <kern/exception.h>
#include <kern/lock.h>
#include <security/_label.h>
#include <ipc/ipc_labelh.h>
#endif
#ifdef XNU_KERNEL_PRIVATE
#define TASK_POLICY_CPU_RESOURCE_USAGE 0
#define TASK_POLICY_WIREDMEM_RESOURCE_USAGE 1
#define TASK_POLICY_VIRTUALMEM_RESOURCE_USAGE 2
#define TASK_POLICY_DISK_RESOURCE_USAGE 3
#define TASK_POLICY_NETWORK_RESOURCE_USAGE 4
#define TASK_POLICY_POWER_RESOURCE_USAGE 5
#define TASK_POLICY_RESOURCE_USAGE_COUNT 6
#define TASK_POLICY_BACKGROUND_ATTRIBUTE_NONE 0x00
#define TASK_POLICY_BACKGROUND_ATTRIBUTE_LOWPRI 0x01
#define TASK_POLICY_BACKGROUND_ATTRIBUTE_DISKTHROTTLE 0x02
#define TASK_POLICY_BACKGROUND_ATTRIBUTE_NETTHROTTLE 0x04
#define TASK_POLICY_BACKGROUND_ATTRIBUTE_NOGPU 0x08
#if CONFIG_EMBEDDED
#define TASK_POLICY_BACKGROUND_ATTRIBUTE_ALL 0x0F
#else
#define TASK_POLICY_BACKGROUND_ATTRIBUTE_ALL 0x07
#endif
#define TASK_POLICY_BACKGROUND_ATTRIBUTE_DEFAULT TASK_POLICY_BACKGROUND_ATTRIBUTE_ALL
#define TASK_POLICY_HWACCESS_DISK_ATTRIBUTE_NONE 0x00
#define TASK_POLICY_HWACCESS_DISK_ATTRIBUTE_FULLACCESS 0x01
#define TASK_POLICY_HWACCESS_DISK_ATTRIBUTE_NORMAL 0x01
#define TASK_POLICY_HWACCESS_DISK_ATTRIBUTE_PASSIVE 0x02
#define TASK_POLICY_HWACCESS_DISK_ATTRIBUTE_THROTTLE 0x03
#define TASK_POLICY_HWACCESS_DISK_ATTRIBUTE_UTILITY 0x04
#define TASK_POLICY_HWACCESS_DISK_ATTRIBUTE_DEFAULT TASK_POLICY_HWACCESS_DISK_ATTRIBUTE_FULLACCESS
#define TASK_POLICY_HWACCESS_GPU_ATTRIBUTE_NONE 0x00
#define TASK_POLICY_HWACCESS_GPU_ATTRIBUTE_FULLACCESS 0x00
#define TASK_POLICY_HWACCESS_GPU_ATTRIBUTE_NOACCESS 0x01
#define TASK_POLICY_HWACCESS_GPU_ATTRIBUTE_DEFAULT TASK_POLICY_HWACCESS_GPU_ATTRIBUTE_FULLACCESS
#define TASK_POLICY_HWACCESS_NET_ATTRIBUTE_NONE 0x00
#define TASK_POLICY_HWACCESS_NET_ATTRIBUTE_FULLACCESS 0x00
#define TASK_POLICY_HWACCESS_NET_ATTRIBUTE_THROTTLE 0x01
#define TASK_POLICY_HWACCESS_NET_ATTRIBUTE_DEFAULT TASK_POLICY_HWACCESS_NET_ATTRIBUTE_FULLACCESS
#define TASK_POLICY_HWACCESS_CPU_ATTRIBUTE_NONE 0x00
#define TASK_POLICY_HWACCESS_CPU_ATTRIBUTE_FULLACCESS 0x00
#define TASK_POLICY_HWACCESS_CPU_ATTRIBUTE_ONE 0x01
#define TASK_POLICY_HWACCESS_CPU_ATTRIBUTE_LLCACHE 0x02
#define TASK_POLICY_HWACCESS_CPU_ATTRIBUTE_DEFAULT TASK_POLICY_HWACCESS_CPU_ATTRIBUTE_FULLACCESS
#define TASK_POLICY_RESOURCE_ATTRIBUTE_NONE 0x00
#define TASK_POLICY_RESOURCE_ATTRIBUTE_THROTTLE 0x01
#define TASK_POLICY_RESOURCE_ATTRIBUTE_SUSPEND 0x02
#define TASK_POLICY_RESOURCE_ATTRIBUTE_TERMINATE 0x03
#define TASK_POLICY_RESOURCE_ATTRIBUTE_NOTIFY_KQ 0x04
#define TASK_POLICY_RESOURCE_ATTRIBUTE_NOTIFY_EXC 0x05
#define TASK_POLICY_RESOURCE_ATTRIBUTE_DEFAULT TASK_POLICY_RESOURCE_ATTRIBUTE_NONE
#endif
#ifdef MACH_KERNEL_PRIVATE
typedef struct process_policy {
uint64_t apptype:4,
rfu1:4,
ru_power:4,
ru_net:4,
ru_disk:4,
ru_cpu:4,
ru_virtmem:4,
ru_wiredmem:4,
low_vm:4,
rfu2:4,
hw_cpu:4,
hw_net:4,
hw_gpu:4,
hw_disk:4,
hw_bg:8;
} process_policy_t;
#if CONFIG_EMBEDDED
typedef struct task_watcher {
queue_chain_t tw_links;
task_t tw_task;
thread_t tw_thread;
int tw_state;
int tw_importance;
} task_watch_t;
extern lck_mtx_t task_watch_mtx;
#endif
#include <kern/thread.h>
extern process_policy_t default_task_proc_policy;
extern process_policy_t default_task_null_policy;
struct task {
decl_lck_mtx_data(,lock)
uint32_t ref_count;
boolean_t active;
boolean_t halting;
vm_map_t map;
queue_chain_t tasks;
void *user_data;
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;
integer_t user_stop_count;
task_role_t role;
integer_t priority;
integer_t max_priority;
security_token_t sec_token;
audit_token_t audit_token;
uint64_t total_user_time;
uint64_t total_system_time;
uint32_t vtimers;
decl_lck_mtx_data(,itk_lock_data)
struct ipc_port *itk_self;
struct ipc_port *itk_nself;
struct ipc_port *itk_sself;
struct exception_action exc_actions[EXC_TYPES_COUNT];
struct ipc_port *itk_host;
struct ipc_port *itk_bootstrap;
struct ipc_port *itk_seatbelt;
struct ipc_port *itk_gssd;
struct ipc_port *itk_task_access;
struct ipc_port *itk_registered[TASK_PORT_REGISTER_MAX];
struct ipc_space *itk_space;
queue_head_t semaphore_list;
queue_head_t lock_set_list;
int semaphores_owned;
int lock_sets_owned;
ledger_t ledger;
unsigned int priv_flags;
#define VM_BACKING_STORE_PRIV 0x1
MACHINE_TASK
integer_t faults;
integer_t pageins;
integer_t cow_faults;
integer_t messages_sent;
integer_t messages_received;
integer_t syscalls_mach;
integer_t syscalls_unix;
uint32_t c_switch;
uint32_t p_switch;
uint32_t ps_switch;
zinfo_usage_t tkm_zinfo;
#ifdef MACH_BSD
void *bsd_info;
#endif
struct vm_shared_region *shared_region;
uint32_t taskFeatures[2];
#define tf64BitAddr 0x80000000
#define tf64BitData 0x40000000
#define task_has_64BitAddr(task) \
(((task)->taskFeatures[0] & tf64BitAddr) != 0)
#define task_set_64BitAddr(task) \
((task)->taskFeatures[0] |= tf64BitAddr)
#define task_clear_64BitAddr(task) \
((task)->taskFeatures[0] &= ~tf64BitAddr)
mach_vm_address_t all_image_info_addr;
mach_vm_size_t all_image_info_size;
#if CONFIG_MACF_MACH
ipc_labelh_t label;
#endif
#if CONFIG_COUNTERS
#define TASK_PMC_FLAG 0x1
uint32_t t_chud;
#endif
boolean_t pidsuspended;
boolean_t frozen;
process_policy_t ext_appliedstate;
process_policy_t ext_policystate;
process_policy_t appliedstate;
process_policy_t policystate;
uint8_t rusage_cpu_flags;
uint8_t rusage_cpu_percentage;
uint64_t rusage_cpu_interval;
uint8_t rusage_cpu_perthr_percentage;
uint64_t rusage_cpu_perthr_interval;
uint64_t rusage_cpu_deadline;
thread_call_t rusage_cpu_callt;
#if CONFIG_EMBEDDED
uint32_t appstate;
queue_head_t task_watchers;
int num_taskwatchers;
int watchapplying;
#endif
vm_extmod_statistics_data_t extmod_statistics;
natural_t proc_terminate;
};
#define task_lock(task) lck_mtx_lock(&(task)->lock)
#define task_lock_try(task) lck_mtx_try_lock(&(task)->lock)
#define task_unlock(task) lck_mtx_unlock(&(task)->lock)
#if CONFIG_MACF_MACH
#define maclabel label->lh_label
#define tasklabel_lock(task) lh_lock((task)->label)
#define tasklabel_unlock(task) lh_unlock((task)->label)
extern void tasklabel_lock2(task_t a, task_t b);
extern void tasklabel_unlock2(task_t a, task_t b);
#endif
#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_internal(task) \
(void)hw_atomic_add(&(task)->ref_count, 1)
#define task_deallocate_internal(task) \
hw_atomic_sub(&(task)->ref_count, 1)
#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 void task_init(void) __attribute__((section("__TEXT, initcode")));
#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
__BEGIN_DECLS
extern task_t current_task(void);
extern void task_reference(task_t task);
__END_DECLS
#endif
__BEGIN_DECLS
#ifdef XNU_KERNEL_PRIVATE
extern kern_return_t task_hold(
task_t task);
extern kern_return_t task_wait(
task_t task,
boolean_t until_not_runnable);
extern kern_return_t task_release(
task_t task);
extern kern_return_t task_pidsuspend(
task_t task);
extern kern_return_t task_pidsuspend_locked(
task_t task);
extern kern_return_t task_pidresume(
task_t task);
#if CONFIG_FREEZE
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);
extern kern_return_t task_thaw(
task_t task);
#endif
extern kern_return_t task_start_halt(
task_t task);
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,
boolean_t inherit_memory,
boolean_t is_64bit,
task_t *child_task);
extern kern_return_t task_importance(
task_t task,
integer_t importance);
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_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);
extern int get_task_numacts(
task_t task);
extern int get_task_numactivethreads(task_t task);
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, boolean_t);
extern pmap_t get_task_pmap(task_t);
extern uint64_t get_task_resident_size(task_t);
extern boolean_t is_kerneltask(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;
};
extern struct _task_ledger_indices task_ledgers;
int proc_get_task_bg_policy(task_t task);
int proc_get_thread_bg_policy(task_t task, uint64_t tid);
int proc_get_self_isbackground(void);
int proc_get_selfthread_isbackground(void);
int proc_get_darwinbgstate(task_t, uint32_t *);
int proc_set_bgtaskpolicy(task_t task, int intval);
int proc_set_and_apply_bgtaskpolicy(task_t task, int intval);
int proc_set_bgthreadpolicy(task_t task, uint64_t tid, int val);
int proc_set_and_apply_bgthreadpolicy(task_t task, uint64_t tid, int val);
int proc_add_bgtaskpolicy(task_t task, int val);
int proc_add_bgthreadpolicy(task_t task, uint64_t tid, int val);
int proc_remove_bgtaskpolicy(task_t task, int policy);
int proc_remove_bgthreadpolicy(task_t task, uint64_t tid, int val);
int proc_apply_bgtaskpolicy(task_t task);
int proc_apply_bgtaskpolicy_external(task_t task);
int proc_apply_bgthreadpolicy(task_t task, uint64_t tid);
int proc_apply_bgtask_selfpolicy(void);
int proc_apply_bgthread_selfpolicy(void);
int proc_apply_workq_bgthreadpolicy(thread_t);
int proc_restore_bgtaskpolicy(task_t task);
int proc_restore_bgthreadpolicy(task_t task, uint64_t tid);
int proc_restore_bgthread_selfpolicy(void);
int proc_restore_workq_bgthreadpolicy(thread_t);
void proc_task_remove_throttle(task_t task);
int proc_apply_task_diskacc(task_t task, int policy);
int proc_apply_thread_diskacc(task_t task, uint64_t tid, int policy);
int proc_apply_thread_selfdiskacc(int policy);
int proc_get_task_disacc(task_t task);
int proc_get_task_selfdiskacc(void);
int proc_get_diskacc(thread_t thread);
int proc_get_thread_selfdiskacc(void);
int proc_denyinherit_policy(task_t task);
int proc_denyselfset_policy(task_t task);
int proc_get_task_selfgpuacc_deny(void);
int proc_apply_task_gpuacc(task_t task, int prio);
int proc_get_task_ruse_cpu(task_t task, uint32_t * policyp, uint32_t * percentagep, uint64_t * intervalp, uint64_t * deadlinep);
int proc_set_task_ruse_cpu(task_t task, uint32_t policy, uint32_t percentage, uint64_t interval, uint64_t deadline);
int proc_clear_task_ruse_cpu(task_t task);
thread_t task_findtid(task_t, uint64_t);
#define TASK_RUSECPU_FLAGS_PROC_LIMIT 0x1
#define TASK_RUSECPU_FLAGS_PERTHR_LIMIT 0x2
#define TASK_RUSECPU_FLAGS_DEADLINE 0x4
#define PROC_POLICY_OSX_APPTYPE_NONE 0
#if CONFIG_EMBEDDED
#define PROC_POLICY_IOS_RESV1_APPTYPE 1
#define PROC_POLICY_IOS_APPLE_DAEMON 2
#define PROC_POLICY_IOS_APPTYPE 3
#define PROC_POLICY_IOS_NONUITYPE 4
#else
#define PROC_POLICY_OSX_APPTYPE_TAL 1
#define PROC_POLICY_OSX_APPTYPE_WIDGET 2
#define PROC_POLICY_OSX_APPTYPE_DBCLIENT 2
#endif
void proc_set_task_apptype(task_t task, int type, thread_t thread);
int proc_disable_task_apptype(task_t task, int policy_subtype);
int proc_enable_task_apptype(task_t task, int policy_subtype);
#if CONFIG_EMBEDDED
extern int proc_setthread_saved_importance(thread_t thread, int importance);
#endif
extern int proc_apply_resource_actions(void * p, int type, int action);
extern int proc_restore_resource_actions(void * p, int type, int action);
extern int task_restore_resource_actions(task_t task, int type);
extern void proc_apply_task_networkbg(void * bsd_info);
extern void proc_restore_task_networkbg(void * bsd_info);
extern void proc_set_task_networkbg(void * bsd_info, int setbg);
extern int task_clear_cpuusage(task_t task);
#if CONFIG_EMBEDDED
#define TASK_APPSTATE_NONE 0
#define TASK_APPSTATE_ACTIVE 1
#define TASK_APPSTATE_BACKGROUND 2
#define TASK_APPSTATE_NONUI 3
#define TASK_APPSTATE_INACTIVE 4
extern int proc_lf_getappstate(task_t task);
extern int proc_lf_setappstate(task_t task, int state);
extern int proc_lf_pidbind(task_t curtask, uint64_t tid, task_t target_task, int bind);
extern void thead_remove_taskwatch(thread_t thread);
extern void task_removewatchers(task_t task);
#endif
#endif
#ifdef KERNEL_PRIVATE
extern void *get_bsdtask_info(task_t);
extern void *get_bsdthreadtask_info(thread_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);
extern ipc_port_t convert_task_to_port(task_t);
extern ipc_port_t convert_task_name_to_port(task_name_t);
#endif
extern task_t kernel_task;
extern void task_deallocate(
task_t task);
extern void task_name_deallocate(
task_name_t task_name);
__END_DECLS
#endif