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Document .dtor_obj and .free_obj #6656

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9 changes: 9 additions & 0 deletions Zend/zend_object_handlers.h
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Original file line number Diff line number Diff line change
Expand Up @@ -111,7 +111,16 @@ typedef zend_function *(*zend_object_get_method_t)(zend_object **object, zend_st
typedef zend_function *(*zend_object_get_constructor_t)(zend_object *object);

/* Object maintenance/destruction */
/* .dtor_obj is called while the executor is active, which means it can call
* user code. Use std_object_handlers.dtor_obj for .dtor_obj unless necessary,
* as providing something else breaks leak detection.
*/
typedef void (*zend_object_dtor_obj_t)(zend_object *object);

/* .free_obj is called while the executor is not active, which means it can not
* call user code. In some cases .dtor_obj is called before .free_obj, but it is
* not guaranteed, such as hitting a fatal error.
*/
typedef void (*zend_object_free_obj_t)(zend_object *object);
typedef zend_object* (*zend_object_clone_obj_t)(zend_object *object);

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