1 /* 2 * Copyright (c) 2003, 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 24 package nsk.jvmti.ThreadEnd; 25 26 import java.io.PrintStream; 27 28 public class threadend001 { 29 30 final static int JCK_STATUS_BASE = 95; 31 final static int THREADS_LIMIT = 100; 32 final static String NAME_PREFIX = "threadend001-"; 33 34 static { 35 try { 36 System.loadLibrary("threadend001"); 37 } catch (UnsatisfiedLinkError ule) { 38 System.err.println("Could not load threadend001 library"); 39 System.err.println("java.library.path:" 40 + System.getProperty("java.library.path")); 41 throw ule; 42 } 43 } 44 getReady(int i, String name)45 native static void getReady(int i, String name); check()46 native static int check(); 47 48 static volatile int thrCount = THREADS_LIMIT; 49 main(String args[])50 public static void main(String args[]) { 51 args = nsk.share.jvmti.JVMTITest.commonInit(args); 52 53 // produce JCK-like exit status. 54 System.exit(run(args, System.out) + JCK_STATUS_BASE); 55 } 56 run(String args[], PrintStream out)57 public static int run(String args[], PrintStream out) { 58 TestThread t = new TestThread(NAME_PREFIX + thrCount); 59 getReady(THREADS_LIMIT, NAME_PREFIX); 60 t.start(); 61 try { 62 t.join(); 63 } catch (InterruptedException e) { 64 throw new Error("Unexpected: " + e); 65 } 66 return check(); 67 } 68 69 static class TestThread extends Thread { TestThread(String name)70 public TestThread(String name) { 71 super(name); 72 } run()73 public void run() { 74 thrCount--; 75 if (thrCount > 0) { 76 TestThread t = new TestThread(NAME_PREFIX + thrCount); 77 t.start(); 78 try { 79 t.join(); 80 } catch (InterruptedException e) { 81 throw new Error("Unexpected: " + e); 82 } 83 } 84 } 85 } 86 } 87