xref: /illumos-gate/usr/src/cmd/dtrace/test/tst/common/safety/tst.null.d (revision a28480febf31f0e61debac062a55216a98a05a92)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 
22 /*
23  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #pragma ident	"%Z%%M%	%I%	%E% SMI"
28 
29 /*
30  * ASSERTION:
31  * 	trace with NULL argument - generate a bunch of errors
32  *
33  * SECTION: Options and Tunables/bufsize;
34  * 	Options and Tunables/bufpolicy
35  */
36 
37 /*
38  * We set our buffer size absurdly low to prevent a flood of errors that we
39  * don't care about.
40  */
41 
42 #pragma D option bufsize=16
43 #pragma D option bufpolicy=ring
44 
45 fbt:::
46 {
47 	on = (timestamp / 1000000000) & 1;
48 }
49 
50 fbt:::
51 /on/
52 {
53 	n++;
54 	trace(*(int *)NULL);
55 }
56 
57 dtrace:::ERROR
58 {
59 	err++;
60 }
61 
62 tick-1sec
63 /sec++ == 10/
64 {
65 	exit(2);
66 }
67 
68 END
69 /n == 0 || err == 0/
70 {
71 	exit(1);
72 }
73 
74 END
75 /n != 0 && err != 0/
76 {
77 	exit(0);
78 }
79