0N/A/*
2362N/A * Copyright (c) 1999, Oracle and/or its affiliates. All rights reserved.
0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
0N/A *
0N/A * This code is free software; you can redistribute it and/or modify it
0N/A * under the terms of the GNU General Public License version 2 only, as
0N/A * published by the Free Software Foundation.
0N/A *
0N/A * This code is distributed in the hope that it will be useful, but WITHOUT
0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
0N/A *
0N/A * You should have received a copy of the GNU General Public License version
0N/A * 2 along with this work; if not, write to the Free Software Foundation,
0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
0N/A *
2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
2362N/A * or visit www.oracle.com if you need additional information or have any
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0N/A */
0N/A
0N/A/*
0N/A * @test
0N/A * @summary Basic functional test of InheritableThreadLocal
0N/A * @author Josh Bloch
0N/A */
0N/A
0N/Apublic class Basic {
0N/A static InheritableThreadLocal n = new InheritableThreadLocal() {
0N/A protected Object initialValue() {
0N/A return new Integer(0);
0N/A }
0N/A
0N/A protected Object childValue(Object parentValue) {
0N/A return new Integer(((Integer)parentValue).intValue() + 1);
0N/A }
0N/A };
0N/A
0N/A static int threadCount = 100;
0N/A static int x[];
0N/A
0N/A public static void main(String args[]) throws Exception {
0N/A x = new int[threadCount];
0N/A Thread progenitor = new MyThread();
0N/A progenitor.start();
0N/A
0N/A // Wait for *all* threads to complete
0N/A progenitor.join();
0N/A
0N/A // Check results
0N/A for(int i=0; i<threadCount; i++)
0N/A if (x[i] != i)
0N/A throw(new Exception("x[" + i + "] =" + x[i]));
0N/A }
0N/A
0N/A private static class MyThread extends Thread {
0N/A public void run() {
0N/A Thread child = null;
0N/A if (((Integer)(n.get())).intValue() < threadCount-1) {
0N/A child = new MyThread();
0N/A child.start();
0N/A }
0N/A Thread.currentThread().yield();
0N/A
0N/A int threadId = ((Integer)(n.get())).intValue();
0N/A for (int j=0; j<threadId; j++) {
0N/A x[threadId]++;
0N/A Thread.currentThread().yield();
0N/A }
0N/A
0N/A // Wait for child (if any)
0N/A if (child != null) {
0N/A try {
0N/A child.join();
0N/A } catch(InterruptedException e) {
0N/A throw(new RuntimeException("Interrupted"));
0N/A }
0N/A }
0N/A }
0N/A }
0N/A}