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.io.IOException;

    25 import java.io.OutputStream;

    26 import java.util.ArrayList;

    27 import java.util.List;

    28 import jdk.test.lib.apps.LingeredApp;

    29 import jdk.test.lib.Asserts;

    30 import jdk.test.lib.JDKToolLauncher;

    31 import jdk.test.lib.Platform;

    32 import jdk.test.lib.process.OutputAnalyzer;

    33 import jdk.test.lib.process.ProcessTools;

    34 import jdk.test.lib.Utils;

    35 

    36 /*

    37  * @test

    38  * @library /test/lib

    39  * @run main/othervm TestJhsdbJstackLock

    40  */

    41 

    42 public class TestJhsdbJstackLock {

    43 

    44     public static void main (String... args) throws Exception {

    45 

    46         LingeredApp app = null;

    47 

    48         if (!Platform.shouldSAAttach()) {

    49             System.out.println("SA attach not expected to work - test skipped.");

    50             return;

    51         }

    52 

    53         try {

    54             List<String> vmArgs = new ArrayList<String>(Utils.getVmOptions());

    55 

    56             app = new LingeredAppWithLock();

    57             LingeredApp.startApp(vmArgs, app);

    58             System.out.println ("Started LingeredApp with pid " + app.getPid());

    59 

    60             JDKToolLauncher launcher = JDKToolLauncher.createUsingTestJDK("jhsdb");

    61             launcher.addToolArg("jstack");

    62             launcher.addToolArg("--pid");

    63             launcher.addToolArg(Long.toString(app.getPid()));

    64 

    65             ProcessBuilder pb = new ProcessBuilder();

    66             pb.command(launcher.getCommand());

    67             Process jhsdb = pb.start();

    68 

    69             jhsdb.waitFor();

    70 

    71             OutputAnalyzer out = new OutputAnalyzer(jhsdb);

    72             System.out.println(out.getStdout());

    73             System.err.println(out.getStderr());

    74 

    75             out.shouldMatch("^\\s+- locked <0x[0-9a-f]+> \\(a java\\.lang\\.Class for LingeredAppWithLock\\)$");

    76             out.shouldMatch("^\\s+- waiting to lock <0x[0-9a-f]+> \\(a java\\.lang\\.Class for LingeredAppWithLock\\)$");

    77             out.shouldMatch("^\\s+- locked <0x[0-9a-f]+> \\(a java\\.lang\\.Thread\\)$");

    78             out.shouldMatch("^\\s+- locked <0x[0-9a-f]+> \\(a java\\.lang\\.Class for int\\)$");

    79             out.stderrShouldBeEmpty();

    80 

    81             System.out.println("Test Completed");

    82         } finally {

    83             LingeredApp.stopApp(app);

    84         }

    85     }

    86 }