xnu-344.34.tar.gz

[apple/xnu.git] / osfmk / kern / task.h

diff --git a/osfmk/kern/task.h b/osfmk/kern/task.h
index 36d0fe040f0c05a09d221b4b2da2d3d22ca41d48..e59bcbc4a3b1f95d449d8c049eb714e104903c0e 100644 (file)
--- a/osfmk/kern/task.h
+++ b/osfmk/kern/task.h
@@ -82,7 +82,10 @@
 #include <mach/mach_types.h>
 #include <vm/pmap.h>
 
-#ifdef MACH_KERNEL_PRIVATE
+#ifdef __APPLE_API_PRIVATE
+
+#ifdef MACH_KERNEL_PRIVATE
+
 #include <mach/boolean.h>
 #include <mach/port.h>
 #include <mach/time_value.h>
@@ -142,12 +145,10 @@ typedef struct task {
        /* User-visible scheduling information */
        integer_t               user_stop_count;        /* outstanding stops */
 
-       integer_t               importance;             /* system-wide importance */
+       task_role_t             role;
 
-       integer_t               priority;               /* base priority */
-       integer_t               max_priority;   /* maximum priority */
-
-       integer_t               policy;                 /* obsolete */
+       integer_t               priority;                       /* base priority for threads */
+       integer_t               max_priority;           /* maximum priority for threads */
 
        /* Task security token */
        security_token_t sec_token;
@@ -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    */
@@ -211,9 +208,9 @@ typedef struct task {
        void *bsd_info;
 #endif  
        vm_offset_t     system_shared_region;
+       vm_offset_t     dynamic_working_set;
 } 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)
@@ -223,6 +220,8 @@ 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++)
+
 /*
  *     Internal only routines
  */
@@ -237,28 +236,14 @@ extern kern_return_t      task_create_local(
                                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 +257,11 @@ 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 +269,21 @@ 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_ */