type_data_unref_U (TypeNode *node,
gboolean uncached)
{
- G_WRITE_LOCK (&type_rw_lock);
- g_assert (node->data && NODE_REFCOUNT (node) > 0);
- if (NODE_REFCOUNT (node) > 1)
- g_atomic_int_add ((int *) &node->ref_count, -1);
- else
+ guint current;
+
+ do {
+ current = NODE_REFCOUNT (node);
+
+ if (current <= 1)
{
if (!node->plugin)
{
NODE_NAME (node));
return;
}
- G_WRITE_UNLOCK (&type_rw_lock);
+
+ g_assert (current > 0);
+
g_static_rec_mutex_lock (&class_init_rec_mutex); /* required locking order: 1) class_init_rec_mutex, 2) type_rw_lock */
G_WRITE_LOCK (&type_rw_lock);
type_data_last_unref_Wm (node, uncached);
+ G_WRITE_UNLOCK (&type_rw_lock);
g_static_rec_mutex_unlock (&class_init_rec_mutex);
+ return;
}
- G_WRITE_UNLOCK (&type_rw_lock);
+ } while (!g_atomic_int_compare_and_exchange ((int *) &node->ref_count, current, current - 1));
}
/**