xnu-2782.10.72.tar.gz

[apple/xnu.git] / osfmk / vm / default_freezer.h

diff --git a/osfmk/vm/default_freezer.h b/osfmk/vm/default_freezer.h
index 46730fd71791cf0a1829234bf6c8ee1bd568c5ab..f08de63a57cc0c4a477c507ebc7df4a8aed3f9ab 100644 (file)
--- a/osfmk/vm/default_freezer.h
+++ b/osfmk/vm/default_freezer.h
@@ -26,11 +26,11 @@
  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
 
-#if CONFIG_FREEZE
-
 #ifndef        _DEFAULT_FREEZER_H_
 #define _DEFAULT_FREEZER_H_
 
+#if CONFIG_FREEZE
+
 #ifdef MACH_KERNEL
 
 #include <default_pager/default_pager_internal.h>
@@ -41,6 +41,7 @@
 #include <mach/memory_object_server.h>
 #include <mach/upl.h>
 #include <mach/vm_map.h>
+#include <vm/vm_protos.h>
 #include <vm/memory_object.h>
 #include <vm/vm_pageout.h> 
 #include <vm/vm_map.h>
@@ -122,21 +123,35 @@ struct default_freezer_mapping_table {
 };
 typedef struct default_freezer_mapping_table_entry *default_freezer_mapping_table_entry_t;
 
+struct default_freezer_handle {
+       lck_rw_t                                dfh_lck;
+       uint32_t                                dfh_ref_count;
+       default_freezer_mapping_table_t         dfh_table;
+       vm_object_t                             dfh_compact_object;
+       vm_object_offset_t                      dfh_compact_offset;
+};
+typedef struct default_freezer_handle  *default_freezer_handle_t;
+
 struct default_freezer_memory_object{
        struct ipc_object_header        fo_pager_header;        /* fake ip_kotype() */
        memory_object_pager_ops_t       fo_pager_ops;           /* == &default_freezer_ops */
        memory_object_control_t         fo_pager_control;
-       vm_object_t                             fo_compact_object;
-       default_freezer_mapping_table_t         fo_table;
+       default_freezer_handle_t        fo_df_handle;
 };
 typedef struct default_freezer_memory_object *default_freezer_memory_object_t;
 
 
-__private_extern__ void*       default_freezer_mapping_create(vm_object_t, vm_offset_t);
+__private_extern__ void        default_freezer_handle_lock(default_freezer_handle_t);
+__private_extern__ void        default_freezer_handle_unlock(default_freezer_handle_t);
 
-__private_extern__ void                default_freezer_mapping_free(void**, boolean_t all);
+extern lck_grp_attr_t  default_freezer_handle_lck_grp_attr;    
+extern lck_grp_t       default_freezer_handle_lck_grp;
 
-__private_extern__  kern_return_t      default_freezer_mapping_store( default_freezer_mapping_table_t *,
+__private_extern__ default_freezer_mapping_table_t     default_freezer_mapping_create(vm_object_t, vm_offset_t);
+
+__private_extern__ void                default_freezer_mapping_free(default_freezer_mapping_table_t *table_p, boolean_t all);
+
+__private_extern__  kern_return_t      default_freezer_mapping_store( default_freezer_mapping_table_t ,
                                                                        memory_object_offset_t,
                                                                        memory_object_t,
                                                                        memory_object_offset_t );
@@ -147,14 +162,12 @@ __private_extern__ kern_return_t  default_freezer_mapping_update( default_freezer
                                                                        memory_object_offset_t *,
                                                                        boolean_t );
 
-__private_extern__  void       default_freezer_memory_object_create(vm_object_t, vm_object_t, default_freezer_mapping_table_t);
-
-__private_extern__  void       default_freezer_pack_page(vm_page_t, vm_object_t, vm_object_offset_t, void**);
+__private_extern__ void        default_freezer_handle_reference_locked(default_freezer_handle_t);
 
-__private_extern__  void       default_freezer_unpack(vm_object_t, void**);
+__private_extern__ boolean_t   default_freezer_handle_deallocate_locked(default_freezer_handle_t);
 
-__private_extern__ vm_object_t default_freezer_get_compact_vm_object(void**);
+__private_extern__ void        default_freezer_memory_object_create(vm_object_t, default_freezer_handle_t);
 
 #endif /* MACH_KERNEL */
-#endif /* DEFAULT_FREEZER_H */
 #endif /* CONFIG_FREEZE */
+#endif /* DEFAULT_FREEZER_H */