tst.copyin.d revision 249575 
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 *   We set our buffer size absurdly low to prevent a flood of errors that we
32 *   don't care about.  We set our statusrate to be infinitely short to cause
33 *   lots of activity by the DTrace process.
34 *
35 * SECTION: Actions and Subroutines/copyin();
36 *	Options and Tunables/bufsize;
37 *	Options and Tunables/bufpolicy;
38 *	Options and Tunables/statusrate
39 */
40
41
42#pragma D option bufsize=16
43#pragma D option bufpolicy=ring
44#pragma D option statusrate=1nsec
45
46syscall:::entry
47{
48	n++;
49	trace(copyin(rand(), 1));
50}
51
52syscall:::entry
53{
54	trace(copyin(rand() | 1, 1));
55}
56
57syscall:::entry
58{
59	trace(copyin(NULL, 1));
60}
61
62dtrace:::ERROR
63{
64	err++;
65}
66
67tick-1sec
68/sec++ == 10/
69{
70	exit(2);
71}
72
73END
74/n == 0 || err == 0/
75{
76	exit(1);
77}
78
79END
80/n != 0 && err != 0/
81{
82	exit(0);
83}
84