xref: /onnv-gate/usr/src/cmd/dtrace/demo/vars/clause.d (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * CDDL HEADER START
3*0Sstevel@tonic-gate  *
4*0Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*0Sstevel@tonic-gate  * with the License.
8*0Sstevel@tonic-gate  *
9*0Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate  * and limitations under the License.
13*0Sstevel@tonic-gate  *
14*0Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate  *
20*0Sstevel@tonic-gate  * CDDL HEADER END
21*0Sstevel@tonic-gate  */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
24*0Sstevel@tonic-gate  * Use is subject to license terms.
25*0Sstevel@tonic-gate  */
26*0Sstevel@tonic-gate 
27*0Sstevel@tonic-gate int me;			/* an integer global variable */
28*0Sstevel@tonic-gate this int foo;		/* an integer clause-local variable */
29*0Sstevel@tonic-gate 
30*0Sstevel@tonic-gate tick-1sec
31*0Sstevel@tonic-gate {
32*0Sstevel@tonic-gate 	/*
33*0Sstevel@tonic-gate 	 * Set foo to be 10 if and only if this is the first clause executed.
34*0Sstevel@tonic-gate 	 */
35*0Sstevel@tonic-gate 	this->foo = (me % 3 == 0) ? 10 : this->foo;
36*0Sstevel@tonic-gate 	printf("Clause 1 is number %d; foo is %d\n", me++ % 3, this->foo++);
37*0Sstevel@tonic-gate }
38*0Sstevel@tonic-gate 
39*0Sstevel@tonic-gate tick-1sec
40*0Sstevel@tonic-gate {
41*0Sstevel@tonic-gate 	/*
42*0Sstevel@tonic-gate 	 * Set foo to be 20 if and only if this is the first clause executed.
43*0Sstevel@tonic-gate 	 */
44*0Sstevel@tonic-gate 	this->foo = (me % 3 == 0) ? 20 : this->foo;
45*0Sstevel@tonic-gate 	printf("Clause 2 is number %d; foo is %d\n", me++ % 3, this->foo++);
46*0Sstevel@tonic-gate }
47*0Sstevel@tonic-gate 
48*0Sstevel@tonic-gate tick-1sec
49*0Sstevel@tonic-gate {
50*0Sstevel@tonic-gate 	/*
51*0Sstevel@tonic-gate 	 * Set foo to be 30 if and only if this is the first clause executed.
52*0Sstevel@tonic-gate 	 */
53*0Sstevel@tonic-gate 	this->foo = (me % 3 == 0) ? 30 : this->foo;
54*0Sstevel@tonic-gate 	printf("Clause 3 is number %d; foo is %d\n", me++ % 3, this->foo++);
55*0Sstevel@tonic-gate }
56