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 "@(#)tst.rw.d 1.1 06/08/28 SMI" 28 29#pragma D option bufsize=1000 30#pragma D option bufpolicy=ring 31#pragma D option statusrate=10ms 32 33fbt::: 34{ 35 on = (timestamp / 1000000000) & 1; 36} 37 38fbt::: 39/on/ 40{ 41 @[rw_read_held((krwlock_t *)&`clock)] = count(); 42 @[rw_read_held((krwlock_t *)rand())] = count(); 43} 44 45fbt::: 46/on/ 47{ 48 @[rw_write_held((krwlock_t *)&`clock)] = count(); 49 @[rw_write_held((krwlock_t *)rand())] = count(); 50} 51 52fbt::: 53/on/ 54{ 55 @[rw_iswriter((krwlock_t *)&`clock)] = count(); 56 @[rw_iswriter((krwlock_t *)rand())] = count(); 57} 58 59tick-1sec 60/n++ == 20/ 61{ 62 exit(0); 63} 64 65