X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/1c79356b52d46aa6b508fb032f5ae709b1f2897b..5eebf7385fedb1517b66b53c28e5aa6bb0a2be50:/osfmk/kern/task.h diff --git a/osfmk/kern/task.h b/osfmk/kern/task.h index 36d0fe040..3e4c87b3c 100644 --- a/osfmk/kern/task.h +++ b/osfmk/kern/task.h @@ -82,7 +82,10 @@ #include #include -#ifdef MACH_KERNEL_PRIVATE +#ifdef __APPLE_API_PRIVATE + +#ifdef MACH_KERNEL_PRIVATE + #include #include #include @@ -107,7 +110,6 @@ typedef struct task { decl_mutex_data(,lock) /* Task's lock */ int ref_count; /* Number of references to me */ boolean_t active; /* Task has not been terminated */ - boolean_t kernel_loaded; /* Created with kernel_task_create() */ /* Miscellaneous */ vm_map_t map; /* Address space description */ @@ -127,11 +129,11 @@ typedef struct task { queue_chain_t swapped_tasks; /* list of non-resident tasks */ #endif /* TASK_SWAPPER */ - /* Activations in this task */ - queue_head_t thr_acts; /* list of thread_activations */ - int thr_act_count; - int res_act_count; - int active_act_count; /* have not terminate_self yet */ + /* Threads in this task */ + queue_head_t threads; + int thread_count; + int res_thread_count; + int active_thread_count; processor_set_t processor_set; /* processor set for new threads */ #if MACH_HOST @@ -142,15 +144,14 @@ typedef struct task { /* User-visible scheduling information */ integer_t user_stop_count; /* outstanding stops */ - integer_t importance; /* system-wide importance */ - - integer_t priority; /* base priority */ - integer_t max_priority; /* maximum priority */ + task_role_t role; - integer_t policy; /* obsolete */ + integer_t priority; /* base priority for threads */ + integer_t max_priority; /* maximum priority for threads */ - /* Task security token */ + /* Task security and audit tokens */ security_token_t sec_token; + audit_token_t audit_token; /* Statistics */ time_value_t total_user_time; /* user time for dead threads */ @@ -174,10 +175,6 @@ typedef struct task { struct ipc_space *itk_space; - /* RPC subsystem information */ - queue_head_t subsystem_list; /* list of subsystems */ - int subsystem_count;/* number of subsystems */ - /* Synchronizer ownership information */ queue_head_t semaphore_list; /* list of owned semaphores */ queue_head_t lock_set_list; /* list of owned lock sets */ @@ -190,6 +187,7 @@ typedef struct task { /* Ledgers */ struct ipc_port *wired_ledger_port; struct ipc_port *paged_ledger_port; + unsigned long priv_flags; /* privelege resource flags */ #if NORMA_TASK long child_node; /* if != -1, node for new children */ @@ -211,9 +209,12 @@ typedef struct task { void *bsd_info; #endif vm_offset_t system_shared_region; + vm_offset_t dynamic_working_set; + uint32_t taskFeatures[2]; /* Special feature for this task */ +#define tf64BitAddr 0x80000000 /* Task has 64-bit addressing */ +#define tf64BitData 0x40000000 /* Task has 64-bit data registers */ } Task; - #define task_lock(task) mutex_lock(&(task)->lock) #define task_lock_try(task) mutex_try(&(task)->lock) #define task_unlock(task) mutex_unlock(&(task)->lock) @@ -223,42 +224,37 @@ typedef struct task { #define itk_lock(task) mutex_lock(&(task)->itk_lock_data) #define itk_unlock(task) mutex_unlock(&(task)->itk_lock_data) +#define task_reference_locked(task) ((task)->ref_count++) + +/* + * priv_flags definitions + */ +#define VM_BACKING_STORE_PRIV 0x1 + /* * Internal only routines */ +extern void task_backing_store_privileged( + task_t task); + /* Initialize task module */ extern void task_init(void); /* task create */ -extern kern_return_t task_create_local( +extern kern_return_t task_create_internal( task_t parent_task, boolean_t inherit_memory, - boolean_t kernel_loaded, task_t *child_task); /* OUT */ -#if MACH_HOST -/* Freeze and unfreeze task from being reassigned processor sets */ -extern void task_freeze( - task_t task); - -extern void task_unfreeze( - task_t task); -#endif /* MACH_HOST */ - extern void consider_task_collect(void); #define current_task_fast() (current_act_fast()->task) #define current_task() current_task_fast() -#else /* !MACH_KERNEL_PRIVATE */ - -extern task_t current_task(void); - -#endif /* !MACH_KERNEL_PRIVATE */ +#endif /* MACH_KERNEL_PRIVATE */ extern task_t kernel_task; -extern boolean_t is_kerneltask(task_t); /* Temporarily hold all threads in a task */ extern kern_return_t task_hold( @@ -272,14 +268,11 @@ extern kern_return_t task_release( extern kern_return_t task_halt( task_t task); -/* Take reference on task (make sure it doesn't go away) */ -extern void task_reference(task_t task); - -/* Try to take a reference on task, return false if it would block */ -extern boolean_t task_reference_try(task_t task); - -/* Remove reference to task */ -extern void task_deallocate(task_t task); +#if defined(MACH_KERNEL_PRIVATE) || defined(BSD_BUILD) +extern kern_return_t task_importance( + task_t task, + integer_t importance); +#endif /* JMM - should just be temporary (implementation in bsd_kern still) */ extern void *get_bsdtask_info(task_t); @@ -287,4 +280,21 @@ extern void set_bsdtask_info(task_t,void *); extern vm_map_t get_task_map(task_t); extern vm_map_t swap_task_map(task_t, vm_map_t); extern pmap_t get_task_pmap(task_t); + +extern boolean_t task_reference_try(task_t task); + +#endif /* __APPLE_API_PRIVATE */ + +#if !defined(MACH_KERNEL_PRIVATE) + +extern task_t current_task(void); + +#endif /* MACH_KERNEL_TASK */ + +/* Take reference on task (make sure it doesn't go away) */ +extern void task_reference(task_t task); + +/* Remove reference to task */ +extern void task_deallocate(task_t task); + #endif /* _KERN_TASK_H_ */