xref: /illumos-gate/usr/src/cmd/dtrace/test/tst/common/speculation/err.D_COMM_COMM.DisjointCommit.d (revision 3ce5372277f4657ad0e52d36c979527c4ca22de2)
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 2007 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  * A clause cannot contain multiple commit() calls to disjoint buffers.
32  *
33  * SECTION: Speculative Tracing/Committing a Speculation;
34  *	Options and Tunables/cleanrate
35  */
36 #pragma D option quiet
37 #pragma D option cleanrate=3000hz
38 
39 BEGIN
40 {
41 	self->i = 0;
42 	self->j = 0;
43 	self->commit = 0;
44 	var1 = 0;
45 	var2 = 0;
46 }
47 
48 BEGIN
49 {
50 	var1 = speculation();
51 	printf("Speculation ID: %d\n", var1);
52 }
53 
54 BEGIN
55 {
56 	var2 = speculation();
57 	printf("Speculation ID: %d\n", var2);
58 }
59 
60 BEGIN
61 /var1/
62 {
63 	speculate(var1);
64 	printf("Speculating on id: %d\n", var1);
65 	self->i++;
66 }
67 
68 BEGIN
69 /var2/
70 {
71 	speculate(var2);
72 	printf("Speculating on id: %d", var2);
73 	self->j++;
74 
75 }
76 
77 BEGIN
78 /(self->i) && (self->j)/
79 {
80 	commit(var1);
81 	commit(var2);
82 	self->commit++;
83 }
84 
85 BEGIN
86 /self->commit/
87 {
88 	printf("Succesfully commited both buffers");
89 	exit(0);
90 }
91 
92 BEGIN
93 /!self->commit/
94 {
95 	printf("Couldnt commit both buffers");
96 	exit(1);
97 }
98 
99 ERROR
100 {
101 	exit(1);
102 }
103