#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 <machine/task.h>
#include <kern/cpu_data.h>
#include <kern/queue.h>
#include <kern/exception.h>
#include <kern/lock.h>
#include <kern/thread.h>
#include <security/_label.h>
#include <ipc/ipc_labelh.h>
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;
struct ipc_port *wired_ledger_port;
struct ipc_port *paged_ledger_port;
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;
#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
};
#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_release(
task_t task);
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);
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);
#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);
#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