xref: /freebsd-11-stable/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/safety/tst.null.d

/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (the "License").
 * You may not use this file except in compliance with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */

/*
 * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#pragma ident	"%Z%%M%	%I%	%E% SMI"

/*
 * ASSERTION:
 * 	trace with NULL argument - generate a bunch of errors
 *
 * SECTION: Options and Tunables/bufsize;
 * 	Options and Tunables/bufpolicy
 */

/*
 * We set our buffer size absurdly low to prevent a flood of errors that we
 * don't care about.
 */

#pragma D option bufsize=16
#pragma D option bufpolicy=ring

fbt:::
{
	on = (timestamp / 1000000000) & 1;
}

fbt:::
/on/
{
	n++;
	trace(*(int *)NULL);
}

dtrace:::ERROR
{
	err++;
}

tick-1sec
/sec++ == 10/
{
	exit(2);
}

END
/n == 0 || err == 0/
{
	exit(1);
}

END
/n != 0 && err != 0/
{
	exit(0);
}