1 /*
   2  * Copyright (c) 2014, 2016, 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 /*
  25  * @test
  26  * @bug 8055008
  27  * @summary Redefine EMCP and non-EMCP methods that are running in an infinite loop
  28  * @library /test/lib
  29  * @modules java.base/jdk.internal.misc
  30  * @modules java.compiler
  31  *          java.instrument
  32  *          jdk.jartool/sun.tools.jar
  33  * @run main RedefineClassHelper
  34  * @run main/othervm -javaagent:redefineagent.jar -Xlog:redefine+class+iklass+add=trace,redefine+class+iklass+purge=trace RedefineRunningMethods
  35  */

  36 public class RedefineRunningMethods {
  37 
  38     public static String newB =
  39                 "class RedefineRunningMethods$B {" +
  40                 "   static int count1 = 0;" +
  41                 "   static int count2 = 0;" +
  42                 "   public static volatile boolean stop = false;" +
  43                 "  static void localSleep() { " +
  44                 "    try{ " +
  45                 "      Thread.currentThread().sleep(10);" +
  46                 "    } catch(InterruptedException ie) { " +
  47                 "    } " +
  48                 " } " +
  49                 "   public static void infinite() { " +
  50                 "       System.out.println(\"infinite called\");" +
  51                 "   }" +
  52                 "   public static void infinite_emcp() { " +
  53                 "       while (!stop) { count2++; localSleep(); }" +
  54                 "   }" +
  55                 "}";

   1 /*
   2  * Copyright (c) 2014, 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 /*
  25  * @test
  26  * @bug 8055008 8197901
  27  * @summary Redefine EMCP and non-EMCP methods that are running in an infinite loop
  28  * @library /test/lib
  29  * @modules java.base/jdk.internal.misc
  30  * @modules java.compiler
  31  *          java.instrument
  32  *          jdk.jartool/sun.tools.jar
  33  * @run main RedefineClassHelper
  34  * @run main/othervm -javaagent:redefineagent.jar -Xlog:redefine+class+iklass+add=trace,redefine+class+iklass+purge=trace,all=trace:file=all.log RedefineRunningMethods
  35  */
  36 // Test is executed with full trace logging redirected to a file to ensure there is no crash during logging anonymous classes - see JDK-8197901
  37 public class RedefineRunningMethods {
  38 
  39     public static String newB =
  40                 "class RedefineRunningMethods$B {" +
  41                 "   static int count1 = 0;" +
  42                 "   static int count2 = 0;" +
  43                 "   public static volatile boolean stop = false;" +
  44                 "  static void localSleep() { " +
  45                 "    try{ " +
  46                 "      Thread.currentThread().sleep(10);" +
  47                 "    } catch(InterruptedException ie) { " +
  48                 "    } " +
  49                 " } " +
  50                 "   public static void infinite() { " +
  51                 "       System.out.println(\"infinite called\");" +
  52                 "   }" +
  53                 "   public static void infinite_emcp() { " +
  54                 "       while (!stop) { count2++; localSleep(); }" +
  55                 "   }" +
  56                 "}";