1 /* 2 +----------------------------------------------------------------------+ 3 | Zend Engine | 4 +----------------------------------------------------------------------+ 5 | Copyright (c) 1998-2018 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_free_object_storage(zend_objects_store *objects, zend_bool fast_shutdown); 56 ZEND_API void zend_objects_store_destroy(zend_objects_store *objects); 57 58 /* Store API functions */ 59 ZEND_API void zend_objects_store_put(zend_object *object); 60 ZEND_API void zend_objects_store_del(zend_object *object); 61 62 /* Called when the ctor was terminated by an exception */ zend_object_store_ctor_failed(zend_object * obj)63static zend_always_inline void zend_object_store_ctor_failed(zend_object *obj) 64 { 65 GC_FLAGS(obj) |= IS_OBJ_DESTRUCTOR_CALLED; 66 } 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_handlers *zend_get_std_object_handlers(void); END_EXTERN_C()71END_EXTERN_C() 72 73 static zend_always_inline void zend_object_release(zend_object *obj) 74 { 75 if (--GC_REFCOUNT(obj) == 0) { 76 zend_objects_store_del(obj); 77 } else if (UNEXPECTED(GC_MAY_LEAK((zend_refcounted*)obj))) { 78 gc_possible_root((zend_refcounted*)obj); 79 } 80 } 81 zend_object_properties_size(zend_class_entry * ce)82static zend_always_inline size_t zend_object_properties_size(zend_class_entry *ce) 83 { 84 return sizeof(zval) * 85 (ce->default_properties_count - 86 ((ce->ce_flags & ZEND_ACC_USE_GUARDS) ? 0 : 1)); 87 } 88 89 #endif /* ZEND_OBJECTS_H */ 90 91 /* 92 * Local variables: 93 * tab-width: 4 94 * c-basic-offset: 4 95 * indent-tabs-mode: t 96 * End: 97 * vim600: sw=4 ts=4 fdm=marker 98 * vim<600: sw=4 ts=4 99 */ 100