callback);
}
+gboolean
+_g_closure_is_void (GClosure *closure,
+ gpointer instance)
+{
+ GRealClosure *real_closure;
+ GTypeClass *class;
+ gpointer callback;
+ GType itype;
+ guint offset;
+
+ if (closure->is_invalid)
+ return TRUE;
+
+ real_closure = G_REAL_CLOSURE (closure);
+
+ if (real_closure->meta_marshal == g_type_iface_meta_marshal)
+ {
+ itype = (GType) closure->data;
+ offset = GPOINTER_TO_UINT (real_closure->meta_marshal_data);
+
+ class = G_TYPE_INSTANCE_GET_INTERFACE (instance, itype, GTypeClass);
+ callback = G_STRUCT_MEMBER (gpointer, class, offset);
+ return callback == NULL;
+ }
+ else if (real_closure->meta_marshal == g_type_class_meta_marshal)
+ {
+ offset = GPOINTER_TO_UINT (real_closure->meta_marshal_data);
+
+ class = G_TYPE_INSTANCE_GET_CLASS (instance, itype, GTypeClass);
+ callback = G_STRUCT_MEMBER (gpointer, class, offset);
+ return callback == NULL;
+ }
+
+ return FALSE;
+}
+
static void
g_type_iface_meta_marshalv (GClosure *closure,
GValue *return_value,
GBoxedCopyFunc copy_func,
GBoxedFreeFunc free_func);
+gboolean _g_closure_is_void (GClosure *closure,
+ gpointer instance);
gboolean _g_closure_supports_invoke_va (GClosure *closure);
void _g_closure_set_va_marshal (GClosure *closure,
GVaClosureMarshal marshal);