* Evacuate the handler stack. _Assumes_ that console event delivery
* has already been blocked.
*/
-void markSignalHandlers (evac_fn evac STG_UNUSED)
+void markSignalHandlers (evac_fn evac STG_UNUSED, void *user STG_UNUSED)
{
// nothing to mark; the console handler is a StablePtr which is
// already treated as a root by the GC.