root/Zend/zend_objects_API.h

INCLUDED FROM

DEFINITIONS

1. END_EXTERN_C
2. zend_object_properties_size

   1 /*
   2    +----------------------------------------------------------------------+
   3    | Zend Engine                                                          |
   4    +----------------------------------------------------------------------+
   5    | Copyright (c) 1998-2016 Zend Technologies Ltd. (http://www.zend.com) |
   6    +----------------------------------------------------------------------+
   7    | This source file is subject to version 2.00 of the Zend license,     |
   8    | that is bundled with this package in the file LICENSE, and is        |
   9    | available through the world-wide-web at the following url:           |
  10    | http://www.zend.com/license/2_00.txt.                                |
  11    | If you did not receive a copy of the Zend license and are unable to  |
  12    | obtain it through the world-wide-web, please send a note to          |
  13    | license@zend.com so we can mail you a copy immediately.              |
  14    +----------------------------------------------------------------------+
  15    | Authors: Andi Gutmans <andi@zend.com>                                |
  16    |          Zeev Suraski <zeev@zend.com>                                |
  17    +----------------------------------------------------------------------+
  18 */
  19 
  20 /* $Id$ */
  21 
  22 #ifndef ZEND_OBJECTS_API_H
  23 #define ZEND_OBJECTS_API_H
  24 
  25 #include "zend.h"
  26 #include "zend_compile.h"
  27 
  28 #define OBJ_BUCKET_INVALID                      (1<<0)
  29 
  30 #define IS_OBJ_VALID(o)                         (!(((zend_uintptr_t)(o)) & OBJ_BUCKET_INVALID))
  31 
  32 #define SET_OBJ_INVALID(o)                      ((zend_object*)((((zend_uintptr_t)(o)) | OBJ_BUCKET_INVALID)))
  33 
  34 #define GET_OBJ_BUCKET_NUMBER(o)        (((zend_intptr_t)(o)) >> 1)
  35 
  36 #define SET_OBJ_BUCKET_NUMBER(o, n)     do { \
  37                 (o) = (zend_object*)((((zend_uintptr_t)(n)) << 1) | OBJ_BUCKET_INVALID); \
  38         } while (0)
  39 
  40 
  41 #define OBJ_RELEASE(obj) zend_object_release(obj)
  42 
  43 typedef struct _zend_objects_store {
  44         zend_object **object_buckets;
  45         uint32_t top;
  46         uint32_t size;
  47         int free_list_head;
  48 } zend_objects_store;
  49 
  50 /* Global store handling functions */
  51 BEGIN_EXTERN_C()
  52 ZEND_API void zend_objects_store_init(zend_objects_store *objects, uint32_t init_size);
  53 ZEND_API void zend_objects_store_call_destructors(zend_objects_store *objects);
  54 ZEND_API void zend_objects_store_mark_destructed(zend_objects_store *objects);
  55 ZEND_API void zend_objects_store_destroy(zend_objects_store *objects);
  56 
  57 /* Store API functions */
  58 ZEND_API void zend_objects_store_put(zend_object *object);
  59 ZEND_API void zend_objects_store_del(zend_object *object);
  60 ZEND_API void zend_objects_store_free(zend_object *object);
  61 
  62 /* See comment in zend_objects_API.c before you use this */
  63 ZEND_API void zend_object_store_set_object(zval *zobject, zend_object *object);
  64 ZEND_API void zend_object_store_ctor_failed(zend_object *object);
  65 
  66 ZEND_API void zend_objects_store_free_object_storage(zend_objects_store *objects);
  67 
  68 #define ZEND_OBJECTS_STORE_HANDLERS 0, zend_object_std_dtor, zend_objects_destroy_object, zend_objects_clone_obj
  69 
  70 ZEND_API zend_object *zend_object_create_proxy(zval *object, zval *member);
  71 
  72 ZEND_API zend_object_handlers *zend_get_std_object_handlers(void);
  73 END_EXTERN_C()
  74 
  75 static zend_always_inline void zend_object_release(zend_object *obj)
  76 {
  77         if (--GC_REFCOUNT(obj) == 0) {
  78                 zend_objects_store_del(obj);
  79         } else if (UNEXPECTED(!GC_INFO(obj))) {
  80                 gc_possible_root((zend_refcounted*)obj);
  81         }
  82 }
  83 
  84 static zend_always_inline size_t zend_object_properties_size(zend_class_entry *ce)
  85 {
  86         return sizeof(zval) *
  87                 (ce->default_properties_count -
  88                         ((ce->ce_flags & ZEND_ACC_USE_GUARDS) ? 0 : 1));
  89 }
  90 
  91 #endif /* ZEND_OBJECTS_H */
  92 
  93 /*
  94  * Local variables:
  95  * tab-width: 4
  96  * c-basic-offset: 4
  97  * indent-tabs-mode: t
  98  * End:
  99  */