xref: /titanic_41/usr/src/cmd/dtrace/demo/vars/clause.d (revision fcf3ce441efd61da9bb2884968af01cb7c1452cc)
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, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * 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  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 int me;			/* an integer global variable */
28 this int foo;		/* an integer clause-local variable */
29 
30 tick-1sec
31 {
32 	/*
33 	 * Set foo to be 10 if and only if this is the first clause executed.
34 	 */
35 	this->foo = (me % 3 == 0) ? 10 : this->foo;
36 	printf("Clause 1 is number %d; foo is %d\n", me++ % 3, this->foo++);
37 }
38 
39 tick-1sec
40 {
41 	/*
42 	 * Set foo to be 20 if and only if this is the first clause executed.
43 	 */
44 	this->foo = (me % 3 == 0) ? 20 : this->foo;
45 	printf("Clause 2 is number %d; foo is %d\n", me++ % 3, this->foo++);
46 }
47 
48 tick-1sec
49 {
50 	/*
51 	 * Set foo to be 30 if and only if this is the first clause executed.
52 	 */
53 	this->foo = (me % 3 == 0) ? 30 : this->foo;
54 	printf("Clause 3 is number %d; foo is %d\n", me++ % 3, this->foo++);
55 }
56