err.D_ACT_SPEC.SpeculateWithRaise.d revision 178477 
1#!/usr/sbin/dtrace -ws
2/*
3 * CDDL HEADER START
4 *
5 * The contents of this file are subject to the terms of the
6 * Common Development and Distribution License (the "License").
7 * You may not use this file except in compliance with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22
23/*
24 * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
25 * Use is subject to license terms.
26 */
27
28#pragma ident	"%Z%%M%	%I%	%E% SMI"
29
30/*
31 * ASSERTION:
32 * Destructive actions may never be speculative.
33 *
34 * SECTION: Speculative Tracing/Using a Speculation
35 * SECTION: dtrace(1M) Utility/ -w option
36 */
37#pragma D option quiet
38
39BEGIN
40{
41	i = 0;
42}
43
44profile:::tick-1sec
45/i < 1/
46{
47	var = speculation();
48	speculate(var);
49	printf("Speculation ID: %d", var);
50	raise(9);
51	i++;
52}
53
54profile:::tick-1sec
55/1 == i/
56{
57	exit(0);
58}
59
60ERROR
61{
62	exit(0);
63}
64
65END
66{
67	exit(0);
68}
69