From 49ea143bbd8d0bfcd393d0b5308a5d7833fc087c Mon Sep 17 00:00:00 2001 From: Dmitry Stogov Date: Fri, 27 Oct 2017 01:28:58 +0300 Subject: Encapsulate reference-counting primitives. Prohibit direct update of GC_REFCOUNT(), GC_SET_REFCOUNT(), GC_ADDREF() and GC_DELREF() shoukf be instead. Added mactros to validate reference-counting (disabled for now). These macros are going to be used to eliminate race-condintions during reference-counting on data shared between threads. --- Zend/zend_objects.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) (limited to 'Zend/zend_objects.c') diff --git a/Zend/zend_objects.c b/Zend/zend_objects.c index 123e5db238..cda43ba806 100644 --- a/Zend/zend_objects.c +++ b/Zend/zend_objects.c @@ -29,7 +29,7 @@ ZEND_API void zend_object_std_init(zend_object *object, zend_class_entry *ce) { - GC_REFCOUNT(object) = 1; + GC_SET_REFCOUNT(object, 1); GC_TYPE_INFO(object) = IS_OBJECT | (GC_COLLECTABLE << GC_FLAGS_SHIFT); object->ce = ce; object->properties = NULL; @@ -46,7 +46,7 @@ ZEND_API void zend_object_std_dtor(zend_object *object) if (object->properties) { if (EXPECTED(!(GC_FLAGS(object->properties) & IS_ARRAY_IMMUTABLE))) { - if (EXPECTED(--GC_REFCOUNT(object->properties) == 0)) { + if (EXPECTED(GC_DELREF(object->properties) == 0)) { zend_array_destroy(object->properties); } } @@ -125,7 +125,7 @@ ZEND_API void zend_objects_destroy_object(zend_object *object) } } - GC_REFCOUNT(object)++; + GC_ADDREF(object); ZVAL_OBJ(&obj, object); /* Make sure that destructors are protected from previously thrown exceptions. @@ -183,7 +183,7 @@ ZEND_API void zend_objects_clone_members(zend_object *new_object, zend_object *o /* fast copy */ if (EXPECTED(old_object->handlers == &std_object_handlers)) { if (EXPECTED(!(GC_FLAGS(old_object->properties) & IS_ARRAY_IMMUTABLE))) { - GC_REFCOUNT(old_object->properties)++; + GC_ADDREF(old_object->properties); } new_object->properties = old_object->properties; return; -- cgit v1.2.1