1 /* 2 * Copyright (c) 2017, 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 import java.util.ArrayList; 25 import java.util.Scanner; 26 import java.util.List; 27 import java.io.File; 28 import java.io.IOException; 29 import java.util.stream.Collectors; 30 import java.io.OutputStream; 31 import jdk.test.lib.apps.LingeredApp; 32 import jdk.test.lib.JDKToolLauncher; 33 import jdk.test.lib.Platform; 34 import jdk.test.lib.process.ProcessTools; 35 import jdk.test.lib.process.OutputAnalyzer; 36 import jdk.test.lib.Utils; 37 import jdk.test.lib.Asserts; 38 39 /* 40 * @test 41 * @library /test/lib 42 * @run main/othervm TestJhsdbJstackLock 43 */ 44 45 public class TestJhsdbJstackLock { 46 47 public static void main (String... args) throws Exception { 48 49 LingeredApp app = null; 50 51 if (!Platform.shouldSAAttach()) { 52 System.out.println( 53 "SA attach not expected to work - test skipped."); 54 return; 55 } 56 57 try { 58 List<String> vmArgs = new ArrayList<String>(Utils.getVmOptions()); 59 60 app = new LingeredAppWithLock(); 61 LingeredApp.startApp(vmArgs, app); 62 System.out.println ("Started LingeredApp with pid " + app.getPid()); 63 64 JDKToolLauncher launcher = JDKToolLauncher.createUsingTestJDK("jhsdb"); 65 launcher.addToolArg("jstack"); 66 launcher.addToolArg("--pid"); 67 launcher.addToolArg(Long.toString(app.getPid())); 68 69 ProcessBuilder pb = new ProcessBuilder(); 70 pb.command(launcher.getCommand()); 71 Process jhsdb = pb.start(); 72 73 jhsdb.waitFor(); 74 75 OutputAnalyzer out = new OutputAnalyzer(jhsdb); 76 System.out.println(out.getStdout()); 77 System.err.println(out.getStderr()); 78 79 out.shouldMatch("^\\s+- locked <0x[0-9a-f]+> \\(a java\\.lang\\.Class for LingeredAppWithLock\\)$"); 80 out.shouldMatch("^\\s+- waiting to lock <0x[0-9a-f]+> \\(a java\\.lang\\.Class for LingeredAppWithLock\\)$"); 81 out.shouldMatch("^\\s+- locked <0x[0-9a-f]+> \\(a java\\.lang\\.Thread\\)$"); 82 out.shouldMatch("^\\s+- locked <0x[0-9a-f]+> \\(a java\\.lang\\.Class for int\\)$"); 83 out.stderrShouldBeEmpty(); 84 85 System.out.println("Test Completed"); 86 } finally { 87 LingeredApp.stopApp(app); 88 } 89 } 90 }