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 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 /* 30 * ASSERTION: 31 * mutex_owner() should return a pointer to the kernel thread holding 32 * the mutex. 33 * 34 * SECTION: Actions and Subroutines/mutex_owner() 35 * 36 * NOTES: This assertion can't be verified so we'll just call it. 37 */ 38 39 40 41 42 #pragma D option quiet 43 44 struct thread *ptr; 45 46 BEGIN 47 { 48 i = 0; 49 } 50 51 lockstat:::adaptive-acquire 52 { 53 54 ptr = mutex_owner((struct mtx *)arg0); 55 i++; 56 } 57 58 tick-1 59 /i > 5/ 60 { 61 exit(0); 62 } 63 64