/*

 * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

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 */

/*

 * @test

 * @bug     6487638 7041595

 * @summary Calling LogManager.addLogger() and Logger.getLogger() cause deadlock

 * @author  Serguei Spitsyn

 * @build LoggingDeadlock3

 * @run main/timeout=80 LoggingDeadlock3

 */

import java.io.*;

import java.util.logging.LogManager;

import java.util.logging.Logger;

public class LoggingDeadlock3 {

  static final int         ITER_CNT   = 50000;

  static final String      MSG_PASSED = "LoggingDeadlock3: passed";

  static final LogManager  logMgr     = LogManager.getLogManager();

  static final PrintStream out        = System.out;

  public static void main(String args[]) throws Exception {

    String tstSrc = System.getProperty("test.src");

    File   fname  = new File(tstSrc, "LoggingDeadlock3.props");

    String prop   = fname.getCanonicalPath();

    System.setProperty("java.util.logging.config.file", prop);

    logMgr.readConfiguration();

    Thread t1 = new Thread(new AddLogger());

    Thread t2 = new Thread(new GetLogger());

    t1.start(); t2.start();

    t1.join();  t2.join();

    out.println("\n" + MSG_PASSED);

  }

  public static class MyLogger extends Logger {

    protected MyLogger(String name) { super(name, null); }

  }

  public static class GetLogger implements Runnable {

    public void run() {

      for (int cnt = 0; cnt < ITER_CNT * 8; cnt++) {

        Logger logger = Logger.getLogger("com.sun.Hello"+cnt/10);

        if (cnt % 1000  == 0) out.print("1");

        if (cnt % 10000 == 0) out.println();

      }

    }

  }

  public static class AddLogger implements Runnable {

    public void run() {

      for (int cnt = 0; cnt < ITER_CNT; cnt++) {

        Logger addLogger = new MyLogger("com.sun.Hello"+cnt);

        logMgr.addLogger(addLogger);

        if (cnt % 100  == 0) out.print("2");

        if (cnt % 1000 == 0) out.println();

      }

    }

  }

}