1 /* 2 * Copyright (c) 2007, 2018, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 package nsk.jvmti.scenarios.hotswap.HS203.hs203t004; 24 25 public class MyThread extends Thread { 26 27 public static volatile boolean stop = true; 28 29 public int threadState = 100; 30 31 public final static int run_for = 1000; 32 MyThread()33 public MyThread() { 34 System.out.println(" MyThread :: MyThread()."); 35 } 36 run()37 public void run() { 38 doThisFunction(); 39 doTask3(); 40 } 41 doThisFunction()42 public void doThisFunction() { 43 System.out.println(" MyThread.doThisFunction()."); 44 45 for (int i = 0; i < run_for; i++) { 46 doTask2(); 47 } 48 49 // it would wait for some time. 50 while (stop); 51 52 System.out.println(" End of doThisFunction."); 53 } 54 55 /** 56 * some method would be compiled / inlined. 57 */ doTask2()58 public void doTask2() { 59 int p = 0; 60 for (int i = 0; i < 1; i++) { 61 threadState++; 62 p++; 63 } 64 } 65 doTask3()66 public void doTask3() { 67 // take some time 68 for (int i = 0; i < run_for; i++) { 69 doTask2(); 70 } 71 } 72 73 } 74