1 /* 2 * Copyright (c) 2000, 2002, 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 24 /* Utility class for test threads 25 * 26 */ 27 28 import java.io.*; 29 30 31 public abstract class TestThread 32 extends Thread 33 { 34 Exception failure = null; 35 String name; 36 protected final PrintStream log; 37 Thread main; 38 TestThread(String name, PrintStream log)39 TestThread(String name, PrintStream log) { 40 super("TestThread-" + name); 41 this.name = name; 42 this.log = log; 43 this.main = Thread.currentThread(); 44 setDaemon(true); 45 } 46 TestThread(String name)47 TestThread(String name) { 48 this(name, System.err); 49 } 50 go()51 abstract void go() throws Exception; 52 run()53 public void run() { 54 try { 55 go(); 56 } catch (Exception x) { 57 failure = x; 58 main.interrupt(); 59 } 60 } 61 finish(long timeout)62 int finish(long timeout) { 63 try { 64 join(timeout); 65 } catch (InterruptedException x) { } 66 if (isAlive() && (failure == null)) 67 failure = new Exception(name + ": Timed out"); 68 if (failure != null) { 69 failure.printStackTrace(log); 70 return 0; 71 } 72 return 1; 73 } 74 finishAndThrow(long timeout)75 void finishAndThrow(long timeout) throws Exception { 76 try { 77 join(timeout); 78 } catch (InterruptedException x) { } 79 if (failure != null) 80 failure = new Exception(name + " threw an exception", 81 failure); 82 if (isAlive() && (failure == null)) 83 failure = new Exception(name + " timed out"); 84 if (failure != null) 85 throw failure; 86 } 87 toString()88 public String toString() { 89 return name; 90 } 91 92 } 93