@@ -18,6 +18,7 @@
#include <stdint.h>
#include <stdbool.h>
#include "qemu-queue.h"
+#include "qemu/atomic.h"
struct Visitor;
struct Error;
@@ -262,7 +263,7 @@ struct Object
ObjectClass *class;
GSList *interfaces;
QTAILQ_HEAD(, ObjectProperty) properties;
- uint32_t ref;
+ Atomic ref;
Object *parent;
};
@@ -378,7 +378,7 @@ void object_finalize(void *data)
object_deinit(obj, ti);
object_property_del_all(obj);
- g_assert(obj->ref == 0);
+ g_assert(atomic_read(&obj->ref) == 0);
}
Object *object_new_with_type(Type type)
@@ -405,7 +405,7 @@ Object *object_new(const char *typename)
void object_delete(Object *obj)
{
object_unref(obj);
- g_assert(obj->ref == 0);
+ g_assert(atomic_read(&obj->ref) == 0);
g_free(obj);
}
@@ -639,16 +639,13 @@ GSList *object_class_get_list(const char *implements_type,
void object_ref(Object *obj)
{
- obj->ref++;
+ atomic_inc(&obj->ref);
}
void object_unref(Object *obj)
{
- g_assert(obj->ref > 0);
- obj->ref--;
-
- /* parent always holds a reference to its children */
- if (obj->ref == 0) {
+ g_assert(atomic_read(&obj->ref) > 0);
+ if (atomic_dec_and_test(&obj->ref)) {
object_finalize(obj);
}
}