]> git.saurik.com Git - apple/xnu.git/blobdiff - osfmk/kern/task.h
xnu-1504.7.4.tar.gz
[apple/xnu.git] / osfmk / kern / task.h
index d0cdc4aaab08b180350a5611a88d7a3cd3fb7cd5..0e7ea86e2fb1860f0553edf1730dfd22dd457877 100644 (file)
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000-2008 Apple Inc. All rights reserved.
+ * Copyright (c) 2000-2009 Apple Inc. All rights reserved.
  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
 
 struct task {
        /* Synchronization/destruction information */
-       decl_mutex_data(,lock)          /* Task's lock */
+       decl_lck_mtx_data(,lock)                /* Task's lock */
        uint32_t        ref_count;      /* Number of references to me */
        boolean_t       active;         /* Task has not been terminated */
+       boolean_t       halting;        /* Task is being halted */
 
        /* Miscellaneous */
        vm_map_t        map;            /* Address space description */
        queue_chain_t   tasks;  /* global list of tasks */
        void            *user_data;     /* Arbitrary data settable via IPC */
-       int             suspend_count;  /* Internal scheduling only */
 
        /* Threads in this task */
        queue_head_t            threads;
+
+       processor_set_t         pset_hint;
+       struct affinity_space   *affinity_space;
+
        int                     thread_count;
        uint32_t                active_thread_count;
-       processor_set_t                 pset_hint;
-       struct affinity_space   *affinity_space;
+       int                     suspend_count;  /* Internal scheduling only */
 
        /* User-visible scheduling information */
        integer_t               user_stop_count;        /* outstanding stops */
@@ -153,7 +156,7 @@ struct task {
        uint32_t                vtimers;
 
        /* IPC structures */
-       decl_mutex_data(,itk_lock_data)
+       decl_lck_mtx_data(,itk_lock_data)
        struct ipc_port *itk_self;      /* not a right, doesn't hold ref */
        struct ipc_port *itk_nself;     /* not a right, doesn't hold ref */
        struct ipc_port *itk_sself;     /* a send right */
@@ -164,7 +167,6 @@ struct task {
        struct ipc_port *itk_seatbelt;  /* a send right */
        struct ipc_port *itk_gssd;      /* yet another send right */
        struct ipc_port *itk_task_access; /* and another send right */ 
-       struct ipc_port *itk_automountd;/* a send right */
        struct ipc_port *itk_registered[TASK_PORT_REGISTER_MAX];
                                        /* all send rights */
 
@@ -208,15 +210,22 @@ struct task {
 #define task_clear_64BitAddr(task)     \
         ((task)->taskFeatures[0] &= ~tf64BitAddr)
 
+       mach_vm_address_t       all_image_info_addr; /* dyld __all_image_info     */
+       mach_vm_size_t          all_image_info_size; /* section location and size */
 #if CONFIG_MACF_MACH
        ipc_labelh_t label;
 #endif
 
+#if CONFIG_COUNTERS
+#define TASK_PMC_FLAG 0x1      /* Bit in "t_chud" signifying PMC interest */
+       uint32_t t_chud;                /* CHUD flags, used for Shark */
+#endif
+
 };
 
-#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)
+#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
@@ -228,9 +237,10 @@ extern void tasklabel_lock2(task_t a, task_t b);
 extern void tasklabel_unlock2(task_t a, task_t b);
 #endif /* MAC_MACH */
 
-#define        itk_lock_init(task)     mutex_init(&(task)->itk_lock_data, 0)
-#define        itk_lock(task)          mutex_lock(&(task)->itk_lock_data)
-#define        itk_unlock(task)        mutex_unlock(&(task)->itk_lock_data)
+#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)
@@ -256,6 +266,9 @@ 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  /* MACH_KERNEL_PRIVATE */
 
 __BEGIN_DECLS
@@ -281,7 +294,11 @@ extern kern_return_t       task_release(
                                                        task_t          task);
 
 /* Halt all other threads in the current task */
-extern kern_return_t   task_halt(
+extern kern_return_t   task_start_halt(
+                                                       task_t          task);
+
+/* Wait for other threads to halt and free halting task resources */
+extern void            task_complete_halt(
                                                        task_t          task);
 
 extern kern_return_t   task_terminate_internal(
@@ -321,23 +338,41 @@ extern void               task_set_64bit(
 extern void            task_backing_store_privileged(
                                        task_t          task);
 
-extern int             get_task_numactivethreads(
-                                       task_t          task);
+extern void            task_set_dyld_info(
+                                       task_t          task,
+                                       mach_vm_address_t addr,
+                                       mach_vm_size_t size);
+
 /* Get number of activations in a task */
 extern int             get_task_numacts(
                                        task_t          task);
 
+extern int get_task_numactivethreads(task_t task);
 
 /* JMM - should just be temporary (implementation in bsd_kern still) */
 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, vm_map_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 /* XNU_KERNEL_PRIVATE */
 
 #ifdef KERNEL_PRIVATE