-/* $OpenBSD: queue.h,v 1.31 2005/11/25 08:06:25 otto Exp $ */
+/* $OpenBSD: queue.h,v 1.32 2007/04/30 18:42:34 pedro Exp $ */
/* $NetBSD: queue.h,v 1.11 1996/05/16 05:17:14 mycroft Exp $ */
/*
* For details on the use of these macros, see the queue(3) manual page.
*/
-#ifdef QUEUE_MACRO_DEBUG
+#if defined(QUEUE_MACRO_DEBUG) || (defined(_KERNEL) && defined(DIAGNOSTIC))
#define _Q_INVALIDATE(a) (a) = ((void *)-1)
#else
#define _Q_INVALIDATE(a)