#ifndef _KERN_THREAD_H_
#define _KERN_THREAD_H_
#include <mach/kern_return.h>
#include <mach/mach_types.h>
#include <mach/message.h>
#include <mach/boolean.h>
#include <mach/vm_param.h>
#include <mach/thread_info.h>
#include <mach/thread_status.h>
#include <mach/exception_types.h>
#include <kern/kern_types.h>
#include <sys/cdefs.h>
#ifdef MACH_KERNEL_PRIVATE
#include <cputypes.h>
#include <mach_assert.h>
#include <mach_ldebug.h>
#include <ipc/ipc_types.h>
#include <mach/port.h>
#include <kern/cpu_number.h>
#include <kern/queue.h>
#include <kern/timer.h>
#include <kern/lock.h>
#include <kern/locks.h>
#include <kern/sched.h>
#include <kern/sched_prim.h>
#include <kern/thread_call.h>
#include <kern/timer_call.h>
#include <kern/task.h>
#include <kern/exception.h>
#include <kern/affinity.h>
#include <ipc/ipc_kmsg.h>
#include <machine/cpu_data.h>
#include <machine/thread.h>
struct thread {
queue_chain_t links;
processor_t runq;
wait_queue_t wait_queue;
event64_t wait_event;
integer_t options;
#define TH_OPT_INTMASK 0x03
#define TH_OPT_VMPRIV 0x04
#define TH_OPT_DTRACE 0x08
decl_simple_lock_data(,sched_lock)
decl_simple_lock_data(,wake_lock)
boolean_t wake_active;
int at_safe_point;
ast_t reason;
wait_result_t wait_result;
thread_continue_t continuation;
void *parameter;
struct funnel_lock *funnel_lock;
int funnel_state;
#define TH_FN_OWNED 0x1
#define TH_FN_REFUNNEL 0x2
vm_offset_t kernel_stack;
vm_offset_t reserved_stack;
int state;
#define TH_WAIT 0x01
#define TH_SUSP 0x02
#define TH_RUN 0x04
#define TH_UNINT 0x08
#define TH_TERMINATE 0x10
#define TH_TERMINATE2 0x20
#define TH_IDLE 0x80
integer_t sched_mode;
#define TH_MODE_REALTIME 0x0001
#define TH_MODE_TIMESHARE 0x0002
#define TH_MODE_FAILSAFE 0x0004
#define TH_MODE_PROMOTED 0x0008
#define TH_MODE_ABORT 0x0010
#define TH_MODE_ABORTSAFELY 0x0020
#define TH_MODE_ISABORTED (TH_MODE_ABORT | TH_MODE_ABORTSAFELY)
#define TH_MODE_DEPRESS 0x0040
#define TH_MODE_POLLDEPRESS 0x0080
#define TH_MODE_ISDEPRESSED (TH_MODE_DEPRESS | TH_MODE_POLLDEPRESS)
integer_t sched_pri;
integer_t priority;
integer_t max_priority;
integer_t task_priority;
integer_t promotions;
integer_t pending_promoter_index;
void *pending_promoter[2];
integer_t importance;
struct {
uint32_t period;
uint32_t computation;
uint32_t constraint;
boolean_t preemptible;
uint64_t deadline;
} realtime;
uint32_t current_quantum;
timer_data_t system_timer;
processor_t bound_processor;
processor_t last_processor;
uint64_t computation_metered;
uint64_t computation_epoch;
integer_t safe_mode;
natural_t safe_release;
void (*sched_call)(
int type,
thread_t thread);
natural_t sched_stamp;
natural_t sched_usage;
natural_t pri_shift;
natural_t cpu_usage;
natural_t cpu_delta;
uint32_t c_switch;
uint32_t p_switch;
uint32_t ps_switch;
timer_data_t user_timer;
uint64_t user_timer_save;
uint64_t system_timer_save;
uint64_t vtimer_user_save;
uint64_t vtimer_prof_save;
uint64_t vtimer_rlim_save;
timer_call_data_t wait_timer;
integer_t wait_timer_active;
boolean_t wait_timer_is_set;
timer_call_data_t depress_timer;
integer_t depress_timer_active;
affinity_set_t affinity_set;
queue_chain_t affinity_threads;
union {
struct {
mach_msg_return_t state;
ipc_object_t object;
mach_vm_address_t msg_addr;
mach_msg_size_t msize;
mach_msg_option_t option;
mach_msg_size_t slist_size;
mach_port_name_t receiver_name;
struct ipc_kmsg *kmsg;
mach_port_seqno_t seqno;
mach_msg_continue_t continuation;
} receive;
struct {
struct semaphore *waitsemaphore;
struct semaphore *signalsemaphore;
int options;
kern_return_t result;
mach_msg_continue_t continuation;
} sema;
struct {
int option;
} swtch;
int misc;
} saved;
struct ipc_kmsg_queue ith_messages;
mach_port_t ith_rpc_reply;
vm_offset_t recover;
uint32_t ref_count;
queue_chain_t threads;
queue_chain_t task_threads;
struct machine_thread machine;
struct task *task;
vm_map_t map;
decl_lck_mtx_data(,mutex)
int suspend_count;
int user_stop_count;
ast_t ast;
uint32_t
active:1,
started:1,
static_param:1,
:0;
struct ReturnHandler {
struct ReturnHandler *next;
void (*handler)(
struct ReturnHandler *rh,
struct thread *thread);
} *handlers, special_handler;
struct ipc_port *ith_self;
struct ipc_port *ith_sself;
struct exception_action exc_actions[EXC_TYPES_COUNT];
queue_head_t held_ulocks;
#ifdef MACH_BSD
void *uthread;
#endif
#if CONFIG_DTRACE
uint32_t t_dtrace_predcache;
int64_t t_dtrace_tracing;
int64_t t_dtrace_vtime;
#endif
#define T_CHUD_MARKED 0x1
#define T_IN_CHUD 0x2
#define THREAD_PMC_FLAG 0x4
uint32_t t_page_creation_count;
clock_sec_t t_page_creation_time;
uint32_t t_chud;
uint64_t thread_id;
};
#define ith_state saved.receive.state
#define ith_object saved.receive.object
#define ith_msg_addr saved.receive.msg_addr
#define ith_msize saved.receive.msize
#define ith_option saved.receive.option
#define ith_scatter_list_size saved.receive.slist_size
#define ith_receiver_name saved.receive.receiver_name
#define ith_continuation saved.receive.continuation
#define ith_kmsg saved.receive.kmsg
#define ith_seqno saved.receive.seqno
#define sth_waitsemaphore saved.sema.waitsemaphore
#define sth_signalsemaphore saved.sema.signalsemaphore
#define sth_options saved.sema.options
#define sth_result saved.sema.result
#define sth_continuation saved.sema.continuation
extern void thread_bootstrap(void) __attribute__((section("__TEXT, initcode")));
extern void thread_init(void) __attribute__((section("__TEXT, initcode")));
extern void thread_daemon_init(void);
#define thread_reference_internal(thread) \
(void)hw_atomic_add(&(thread)->ref_count, 1)
#define thread_deallocate_internal(thread) \
hw_atomic_sub(&(thread)->ref_count, 1)
#define thread_reference(thread) \
MACRO_BEGIN \
if ((thread) != THREAD_NULL) \
thread_reference_internal(thread); \
MACRO_END
extern void thread_deallocate(
thread_t thread);
extern void thread_terminate_self(void);
extern kern_return_t thread_terminate_internal(
thread_t thread);
extern void thread_start_internal(
thread_t thread) __attribute__ ((noinline));
extern void thread_terminate_enqueue(
thread_t thread);
extern void thread_stack_enqueue(
thread_t thread);
extern void thread_hold(
thread_t thread);
extern void thread_release(
thread_t thread);
#define thread_lock_init(th) simple_lock_init(&(th)->sched_lock, 0)
#define thread_lock(th) simple_lock(&(th)->sched_lock)
#define thread_unlock(th) simple_unlock(&(th)->sched_lock)
#define wake_lock_init(th) simple_lock_init(&(th)->wake_lock, 0)
#define wake_lock(th) simple_lock(&(th)->wake_lock)
#define wake_unlock(th) simple_unlock(&(th)->wake_lock)
#define thread_should_halt_fast(thread) (!(thread)->active)
extern void stack_alloc(
thread_t thread);
extern void stack_free(
thread_t thread);
extern void stack_free_stack(
vm_offset_t stack);
extern boolean_t stack_alloc_try(
thread_t thread);
extern void stack_collect(void);
extern void stack_init(void) __attribute__((section("__TEXT, initcode")));
extern kern_return_t thread_state_initialize(
thread_t thread);
extern kern_return_t thread_setstatus(
thread_t thread,
int flavor,
thread_state_t tstate,
mach_msg_type_number_t count);
extern kern_return_t thread_getstatus(
thread_t thread,
int flavor,
thread_state_t tstate,
mach_msg_type_number_t *count);
extern kern_return_t thread_info_internal(
thread_t thread,
thread_flavor_t flavor,
thread_info_t thread_info_out,
mach_msg_type_number_t *thread_info_count);
extern void thread_task_priority(
thread_t thread,
integer_t priority,
integer_t max_priority);
extern void thread_policy_reset(
thread_t thread);
extern kern_return_t kernel_thread_create(
thread_continue_t continuation,
void *parameter,
integer_t priority,
thread_t *new_thread);
extern kern_return_t kernel_thread_start_priority(
thread_continue_t continuation,
void *parameter,
integer_t priority,
thread_t *new_thread);
extern void machine_stack_attach(
thread_t thread,
vm_offset_t stack);
extern vm_offset_t machine_stack_detach(
thread_t thread);
extern void machine_stack_handoff(
thread_t old,
thread_t new);
extern thread_t machine_switch_context(
thread_t old_thread,
thread_continue_t continuation,
thread_t new_thread);
extern void machine_load_context(
thread_t thread);
extern kern_return_t machine_thread_state_initialize(
thread_t thread);
extern kern_return_t machine_thread_set_state(
thread_t thread,
thread_flavor_t flavor,
thread_state_t state,
mach_msg_type_number_t count);
extern kern_return_t machine_thread_get_state(
thread_t thread,
thread_flavor_t flavor,
thread_state_t state,
mach_msg_type_number_t *count);
extern kern_return_t machine_thread_dup(
thread_t self,
thread_t target);
extern void machine_thread_init(void);
extern kern_return_t machine_thread_create(
thread_t thread,
task_t task);
extern void machine_thread_switch_addrmode(
thread_t thread);
extern void machine_thread_destroy(
thread_t thread);
extern void machine_set_current_thread(
thread_t thread);
extern void machine_thread_terminate_self(void);
extern kern_return_t machine_thread_get_kern_state(
thread_t thread,
thread_flavor_t flavor,
thread_state_t tstate,
mach_msg_type_number_t *count);
extern kern_return_t machine_thread_inherit_taskwide(
thread_t thread,
task_t parent_task);
struct funnel_lock {
int fnl_type;
lck_mtx_t *fnl_mutex;
void * fnl_mtxholder;
void * fnl_mtxrelease;
lck_mtx_t *fnl_oldmutex;
};
typedef struct ReturnHandler ReturnHandler;
#define thread_mtx_lock(thread) lck_mtx_lock(&(thread)->mutex)
#define thread_mtx_try(thread) lck_mtx_try_lock(&(thread)->mutex)
#define thread_mtx_unlock(thread) lck_mtx_unlock(&(thread)->mutex)
extern void act_execute_returnhandlers(void);
extern void install_special_handler(
thread_t thread);
extern void special_handler(
ReturnHandler *rh,
thread_t thread);
void act_machine_sv_free(thread_t, int);
vm_offset_t min_valid_stack_address(void);
vm_offset_t max_valid_stack_address(void);
extern void funnel_lock(
struct funnel_lock *lock);
extern void funnel_unlock(
struct funnel_lock *lock);
#else
__BEGIN_DECLS
extern thread_t current_thread(void);
extern void thread_reference(
thread_t thread);
extern void thread_deallocate(
thread_t thread);
__END_DECLS
#endif
#ifdef KERNEL_PRIVATE
__BEGIN_DECLS
#ifndef __LP64__
extern thread_t kernel_thread(
task_t task,
void (*start)(void));
#endif
extern uint64_t thread_tid(
thread_t thread);
extern uint64_t thread_dispatchqaddr(
thread_t thread);
__END_DECLS
#endif
__BEGIN_DECLS
#ifdef XNU_KERNEL_PRIVATE
extern kern_return_t thread_create_workq(
task_t task,
thread_continue_t thread_return,
thread_t *new_thread);
extern void thread_yield_internal(
mach_msg_timeout_t interval);
typedef struct funnel_lock funnel_t;
#define THR_FUNNEL_NULL (funnel_t *)0
extern funnel_t *funnel_alloc(
int type);
extern void funnel_free(
funnel_t *lock);
extern funnel_t *thread_funnel_get(void);
extern boolean_t thread_funnel_set(
funnel_t *lock,
boolean_t funneled);
extern void thread_read_times(
thread_t thread,
time_value_t *user_time,
time_value_t *system_time);
extern void thread_setuserstack(
thread_t thread,
mach_vm_offset_t user_stack);
extern uint64_t thread_adjuserstack(
thread_t thread,
int adjust);
extern void thread_setentrypoint(
thread_t thread,
mach_vm_offset_t entry);
extern kern_return_t thread_setsinglestep(
thread_t thread,
int on);
extern kern_return_t thread_wire_internal(
host_priv_t host_priv,
thread_t thread,
boolean_t wired,
boolean_t *prev_state);
extern kern_return_t thread_dup(thread_t);
typedef void (*sched_call_t)(
int type,
thread_t thread);
#define SCHED_CALL_BLOCK 0x1
#define SCHED_CALL_UNBLOCK 0x2
extern void thread_sched_call(
thread_t thread,
sched_call_t call);
extern void thread_static_param(
thread_t thread,
boolean_t state);
extern kern_return_t thread_policy_set_internal(
thread_t thread,
thread_policy_flavor_t flavor,
thread_policy_t policy_info,
mach_msg_type_number_t count);
extern task_t get_threadtask(thread_t);
#define thread_is_64bit(thd) \
task_has_64BitAddr(get_threadtask(thd))
extern void *get_bsdthread_info(thread_t);
extern void set_bsdthread_info(thread_t, void *);
extern void *uthread_alloc(task_t, thread_t, int);
extern void uthread_cleanup(task_t, void *, void *);
extern void uthread_zone_free(void *);
extern void uthread_cred_free(void *);
extern boolean_t thread_should_halt(
thread_t thread);
extern int is_64signalregset(void);
void act_set_apc(thread_t);
extern uint32_t dtrace_get_thread_predcache(thread_t);
extern int64_t dtrace_get_thread_vtime(thread_t);
extern int64_t dtrace_get_thread_tracing(thread_t);
extern boolean_t dtrace_get_thread_reentering(thread_t);
extern vm_offset_t dtrace_get_kernel_stack(thread_t);
extern void dtrace_set_thread_predcache(thread_t, uint32_t);
extern void dtrace_set_thread_vtime(thread_t, int64_t);
extern void dtrace_set_thread_tracing(thread_t, int64_t);
extern void dtrace_set_thread_reentering(thread_t, boolean_t);
extern vm_offset_t dtrace_set_thread_recover(thread_t, vm_offset_t);
extern void dtrace_thread_bootstrap(void);
extern int64_t dtrace_calc_thread_recent_vtime(thread_t);
extern void thread_set_wq_state32(
thread_t thread,
thread_state_t tstate);
extern void thread_set_wq_state64(
thread_t thread,
thread_state_t tstate);
extern vm_offset_t kernel_stack_mask;
extern vm_offset_t kernel_stack_size;
extern vm_offset_t kernel_stack_depth_max;
#endif
extern kern_return_t kernel_thread_start(
thread_continue_t continuation,
void *parameter,
thread_t *new_thread);
__END_DECLS
#endif