1178476Sjb/* 2178476Sjb * CDDL HEADER START 3178476Sjb * 4178476Sjb * The contents of this file are subject to the terms of the 5178476Sjb * Common Development and Distribution License (the "License"). 6178476Sjb * You may not use this file except in compliance with the License. 7178476Sjb * 8178476Sjb * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9178476Sjb * or http://www.opensolaris.org/os/licensing. 10178476Sjb * See the License for the specific language governing permissions 11178476Sjb * and limitations under the License. 12178476Sjb * 13178476Sjb * When distributing Covered Code, include this CDDL HEADER in each 14178476Sjb * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15178476Sjb * If applicable, add the following below this CDDL HEADER, with the 16178476Sjb * fields enclosed by brackets "[]" replaced with your own identifying 17178476Sjb * information: Portions Copyright [yyyy] [name of copyright owner] 18178476Sjb * 19178476Sjb * CDDL HEADER END 20178476Sjb */ 21178476Sjb 22178476Sjb/* 23178476Sjb * Copyright 2007 Sun Microsystems, Inc. All rights reserved. 24178476Sjb * Use is subject to license terms. 25178476Sjb * 26178476Sjb * ident "%Z%%M% %I% %E% SMI" 27178476Sjb */ 28178476Sjb 29178476Sjbimport org.opensolaris.os.dtrace.*; 30178476Sjb 31178476Sjb/** 32178476Sjb * Regression for 6506495 -DJAVA_DTRACE_MAX_CONSUMERS=N for any N < 8 33178476Sjb * is treated as if it were 8. 34178476Sjb */ 35178476Sjbpublic class TestMaxConsumers { 36178476Sjb static final String MAX_CONSUMERS_PROPERTY_NAME = 37178476Sjb "JAVA_DTRACE_MAX_CONSUMERS"; 38178476Sjb 39178476Sjb static Integer 40178476Sjb getIntegerProperty(String name) 41178476Sjb { 42178476Sjb Integer value = null; 43178476Sjb String property = System.getProperty(name); 44178476Sjb if (property != null && property.length() != 0) { 45178476Sjb try { 46178476Sjb value = Integer.parseInt(property); 47178476Sjb } catch (NumberFormatException e) { 48178476Sjb e.printStackTrace(); 49178476Sjb } 50178476Sjb } 51178476Sjb return value; 52178476Sjb } 53178476Sjb 54178476Sjb public static void 55178476Sjb main(String[] args) 56178476Sjb { 57178476Sjb Integer property = getIntegerProperty(MAX_CONSUMERS_PROPERTY_NAME); 58178476Sjb int max = (property == null ? 0 : property); 59178476Sjb int n = (property == null ? 11 : (max < 1 ? 1 : max)); 60178476Sjb 61178476Sjb Consumer[] consumers = new Consumer[n]; 62178476Sjb try { 63178476Sjb for (int i = 0; i < n; ++i) { 64178476Sjb consumers[i] = new LocalConsumer(); 65178476Sjb consumers[i].open(); 66178476Sjb } 67178476Sjb for (int i = 0; i < n; ++i) { 68178476Sjb consumers[i].close(); 69178476Sjb } 70178476Sjb for (int i = 0; i < n; ++i) { 71178476Sjb consumers[i] = new LocalConsumer(); 72178476Sjb consumers[i].open(); 73178476Sjb } 74178476Sjb } catch (Exception e) { 75178476Sjb e.printStackTrace(); 76178476Sjb System.exit(1); 77178476Sjb } 78178476Sjb 79178476Sjb try { 80178476Sjb Consumer consumer = new LocalConsumer(); 81178476Sjb consumer.open(); 82178476Sjb if (max > 0) { 83178476Sjb System.out.println("Error: " + (max + 1) + " > " + 84178476Sjb MAX_CONSUMERS_PROPERTY_NAME); 85178476Sjb } else { 86178476Sjb System.out.println("Success"); 87178476Sjb } 88178476Sjb consumer.close(); 89178476Sjb } catch (Exception e) { 90178476Sjb System.out.println("Success"); 91178476Sjb } finally { 92178476Sjb for (int i = 0; i < n; ++i) { 93178476Sjb consumers[i].close(); 94178476Sjb } 95178476Sjb } 96178476Sjb } 97178476Sjb} 98