xref: /onnv-gate/usr/src/cmd/dtrace/test/tst/common/safety/tst.random.d (revision 2633:71bab08d24b2)
1*2633Sahl /*
2*2633Sahl  * CDDL HEADER START
3*2633Sahl  *
4*2633Sahl  * The contents of this file are subject to the terms of the
5*2633Sahl  * Common Development and Distribution License (the "License").
6*2633Sahl  * You may not use this file except in compliance with the License.
7*2633Sahl  *
8*2633Sahl  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9*2633Sahl  * or http://www.opensolaris.org/os/licensing.
10*2633Sahl  * See the License for the specific language governing permissions
11*2633Sahl  * and limitations under the License.
12*2633Sahl  *
13*2633Sahl  * When distributing Covered Code, include this CDDL HEADER in each
14*2633Sahl  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15*2633Sahl  * If applicable, add the following below this CDDL HEADER, with the
16*2633Sahl  * fields enclosed by brackets "[]" replaced with your own identifying
17*2633Sahl  * information: Portions Copyright [yyyy] [name of copyright owner]
18*2633Sahl  *
19*2633Sahl  * CDDL HEADER END
20*2633Sahl  */
21*2633Sahl 
22*2633Sahl /*
23*2633Sahl  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
24*2633Sahl  * Use is subject to license terms.
25*2633Sahl  */
26*2633Sahl 
27*2633Sahl #pragma ident	"%Z%%M%	%I%	%E% SMI"
28*2633Sahl 
29*2633Sahl /*
30*2633Sahl  * ASSERTION:
31*2633Sahl  * 	trace rand() at every fbt probe point.
32*2633Sahl  *
33*2633Sahl  * SECTION: Actions and Subroutines/rand();
34*2633Sahl  *	Options and Tunables/bufsize;
35*2633Sahl  * 	Options and Tunables/bufpolicy
36*2633Sahl  */
37*2633Sahl 
38*2633Sahl /*
39*2633Sahl  * We set our buffer size absurdly low to prevent a flood of errors that we
40*2633Sahl  * don't care about.
41*2633Sahl  */
42*2633Sahl 
43*2633Sahl #pragma D option bufsize=16
44*2633Sahl #pragma D option bufpolicy=ring
45*2633Sahl 
46*2633Sahl fbt:::
47*2633Sahl {
48*2633Sahl 	n++;
49*2633Sahl 	trace(*(int *)rand());
50*2633Sahl }
51*2633Sahl 
52*2633Sahl dtrace:::ERROR
53*2633Sahl {
54*2633Sahl 	err++;
55*2633Sahl }
56*2633Sahl 
57*2633Sahl tick-1sec
58*2633Sahl /sec++ == 10/
59*2633Sahl {
60*2633Sahl 	exit(2);
61*2633Sahl }
62*2633Sahl 
63*2633Sahl END
64*2633Sahl /n == 0 || err == 0/
65*2633Sahl {
66*2633Sahl 	exit(1);
67*2633Sahl }
68*2633Sahl 
69*2633Sahl END
70*2633Sahl /n != 0 && err != 0/
71*2633Sahl {
72*2633Sahl 	exit(0);
73*2633Sahl }
74