xref: /illumos-gate/usr/src/cmd/dtrace/test/tst/common/funcs/tst.mutex_owner.d (revision b0bb0d63258be430b0e22afcb1581974bd7b568e)
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 2006 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 /*
28  * ASSERTION:
29  *  	mutex_owner() should return a pointer to the kernel thread holding
30  *	the mutex.
31  *
32  * SECTION: Actions and Subroutines/mutex_owner()
33  *
34  * NOTES: This assertion can't be verified so we'll just call it.
35  */
36 
37 
38 
39 
40 #pragma D option quiet
41 
42 kthread_t *ptr;
43 
44 BEGIN
45 {
46 	i = 0;
47 }
48 
49 lockstat:genunix:mutex_enter:adaptive-acquire
50 {
51 
52 	ptr = mutex_owner((kmutex_t *)arg0);
53 	i++;
54 }
55 
56 tick-1
57 /i > 5/
58 {
59 	exit(0);
60 }
61 
62