# HG changeset patch
# User dcubed
# Date 1206396309 25200
# Node ID c4e0a3afe6f27d5d305aff96dc1334c395985115
# Parent 696ff142e6e6a13c8f9ef15d967fbe02b855a416
5088398: 3/2 java.lang.instrument TCK test deadlock (test11)
Summary: Add regression test for single-threaded bootstrap classloader.
Reviewed-by: sspitsyn
diff -r 696ff142e6e6 -r c4e0a3afe6f2 jdk/test/java/lang/instrument/ParallelTransformerLoader.sh
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/java/lang/instrument/ParallelTransformerLoader.sh Mon Mar 24 15:05:09 2008 -0700
@@ -0,0 +1,72 @@
+#
+# Copyright 2008 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+# CA 95054 USA or visit www.sun.com if you need additional information or
+# have any questions.
+#
+
+# @test
+# @bug 5088398
+# @summary Test parallel class loading by parallel transformers.
+# @author Daniel D. Daugherty as modified from the code of Daryl Puryear @ Wily
+#
+# @run shell MakeJAR3.sh ParallelTransformerLoaderAgent
+# @run build ParallelTransformerLoaderApp
+# @run shell/timeout=240 ParallelTransformerLoader.sh
+#
+
+if [ "${TESTJAVA}" = "" ]
+then
+ echo "TESTJAVA not set. Test cannot execute. Failed."
+ exit 1
+fi
+
+if [ "${TESTSRC}" = "" ]
+then
+ echo "TESTSRC not set. Test cannot execute. Failed."
+ exit 1
+fi
+
+if [ "${TESTCLASSES}" = "" ]
+then
+ echo "TESTCLASSES not set. Test cannot execute. Failed."
+ exit 1
+fi
+
+JAR="${TESTJAVA}"/bin/jar
+JAVAC="${TESTJAVA}"/bin/javac
+JAVA="${TESTJAVA}"/bin/java
+
+"${JAVAC}" -d . \
+ "${TESTSRC}"/TestClass1.java \
+ "${TESTSRC}"/TestClass2.java \
+ "${TESTSRC}"/TestClass3.java
+
+"${JAR}" cvf Test.jar Test*.class
+# Removing the test class files is important. If these
+# .class files are available on the classpath other
+# than via Test.jar, then the deadlock will not reproduce.
+rm -f Test*.class
+
+"${JAVA}" ${TESTVMOPTS} -javaagent:ParallelTransformerLoaderAgent.jar=Test.jar \
+ -classpath "${TESTCLASSES}" ParallelTransformerLoaderApp
+result=$?
+echo "result=$result"
+
+exit $result
diff -r 696ff142e6e6 -r c4e0a3afe6f2 jdk/test/java/lang/instrument/ParallelTransformerLoaderAgent.java
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/java/lang/instrument/ParallelTransformerLoaderAgent.java Mon Mar 24 15:05:09 2008 -0700
@@ -0,0 +1,120 @@
+/*
+ * Copyright 2008 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+import java.lang.instrument.*;
+import java.net.*;
+import java.io.*;
+import java.security.*;
+
+/**
+ * Test Java Agent
+ *
+ * @author Daryl Puryear
+ * @copyright 1999-2004 Wily Technology, Inc. All rights reserved.
+ */
+public class ParallelTransformerLoaderAgent
+{
+ private static URL sURL;
+ private static ClassLoader sClassLoader;
+
+ public static synchronized ClassLoader
+ getClassLoader()
+ {
+ return sClassLoader;
+ }
+
+ public static synchronized void
+ generateNewClassLoader()
+ {
+ sClassLoader = new URLClassLoader(new URL[] {sURL});
+ }
+
+ public static void
+ premain( String agentArgs,
+ Instrumentation instrumentation)
+ throws Exception
+ {
+ if (agentArgs == null || agentArgs == "")
+ {
+ System.err.println("Error: No jar file name provided, test will not run.");
+ return;
+ }
+
+ sURL = (new File(agentArgs)).toURL();
+ System.out.println("Using jar file: " + sURL);
+ generateNewClassLoader();
+
+ instrumentation.addTransformer(new TestTransformer());
+ }
+
+ private static class TestTransformer
+ implements ClassFileTransformer
+ {
+ public byte[]
+ transform( ClassLoader loader,
+ String className,
+ Class classBeingRedefined,
+ ProtectionDomain protectionDomain,
+ byte[] classfileBuffer)
+ throws IllegalClassFormatException
+ {
+ String tName = Thread.currentThread().getName();
+ // In 160_03 and older, transform() is called
+ // with the "system_loader_lock" held and that
+ // prevents the bootstrap class loaded from
+ // running in parallel. If we add a slight sleep
+ // delay here when the transform() call is not
+ // main or TestThread, then the deadlock in
+ // 160_03 and older is much more reproducible.
+ if (!tName.equals("main") && !tName.equals("TestThread")) {
+ System.out.println("Thread '" + tName +
+ "' has called transform()");
+ try {
+ Thread.sleep(500);
+ } catch (InterruptedException ie) {
+ }
+ }
+
+ // load additional classes when called from other threads
+ if (!tName.equals("main"))
+ {
+ loadClasses(3);
+ }
+ return null;
+ }
+
+ public static void
+ loadClasses( int index)
+ {
+ ClassLoader loader = ParallelTransformerLoaderAgent.getClassLoader();
+ try
+ {
+ Class.forName("TestClass" + index, true, loader);
+ }
+ catch (Exception e)
+ {
+ e.printStackTrace();
+ }
+ }
+ }
+}
diff -r 696ff142e6e6 -r c4e0a3afe6f2 jdk/test/java/lang/instrument/ParallelTransformerLoaderApp.java
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/java/lang/instrument/ParallelTransformerLoaderApp.java Mon Mar 24 15:05:09 2008 -0700
@@ -0,0 +1,90 @@
+/*
+ * Copyright 2008 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+/**
+ * Test Java Program
+ *
+ * @author Daryl Puryear
+ * @copyright 1999-2004 Wily Technology, Inc. All rights reserved.
+ */
+public class ParallelTransformerLoaderApp
+{
+ private static final int kNumIterations = 1000;
+
+ public static void
+ main( String[] args)
+ throws Exception
+ {
+ System.out.println();
+ System.out.print("Starting test with " + kNumIterations + " iterations");
+ for (int i = 0; i < kNumIterations; i++)
+ {
+ // load some classes from multiple threads (this thread and one other)
+ Thread testThread = new TestThread(2);
+ testThread.start();
+ loadClasses(1);
+
+ // log that it completed and reset for the next iteration
+ testThread.join();
+ System.out.print(".");
+ ParallelTransformerLoaderAgent.generateNewClassLoader();
+ }
+
+ System.out.println();
+ System.out.println("Test completed successfully");
+ }
+
+ private static class TestThread
+ extends Thread
+ {
+ private final int fIndex;
+
+ public
+ TestThread( int index)
+ {
+ super("TestThread");
+
+ fIndex = index;
+ }
+
+ public void
+ run()
+ {
+ loadClasses(fIndex);
+ }
+ }
+
+ public static void
+ loadClasses( int index)
+ {
+ ClassLoader loader = ParallelTransformerLoaderAgent.getClassLoader();
+ try
+ {
+ Class.forName("TestClass" + index, true, loader);
+ }
+ catch (Exception e)
+ {
+ e.printStackTrace();
+ }
+ }
+}
diff -r 696ff142e6e6 -r c4e0a3afe6f2 jdk/test/java/lang/instrument/TestClass1.java
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/java/lang/instrument/TestClass1.java Mon Mar 24 15:05:09 2008 -0700
@@ -0,0 +1,36 @@
+/*
+ * Copyright 2008 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+/**
+ * Test Java Program
+ *
+ * @author Daryl Puryear
+ * @copyright 1999-2004 Wily Technology, Inc. All rights reserved.
+ */
+public class TestClass1
+{
+ public
+ TestClass1()
+ {
+ }
+}
diff -r 696ff142e6e6 -r c4e0a3afe6f2 jdk/test/java/lang/instrument/TestClass2.java
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/java/lang/instrument/TestClass2.java Mon Mar 24 15:05:09 2008 -0700
@@ -0,0 +1,36 @@
+/*
+ * Copyright 2008 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+/**
+ * Test Java Program
+ *
+ * @author Daryl Puryear
+ * @copyright 1999-2004 Wily Technology, Inc. All rights reserved.
+ */
+public class TestClass2
+{
+ public
+ TestClass2()
+ {
+ }
+}
diff -r 696ff142e6e6 -r c4e0a3afe6f2 jdk/test/java/lang/instrument/TestClass3.java
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/java/lang/instrument/TestClass3.java Mon Mar 24 15:05:09 2008 -0700
@@ -0,0 +1,36 @@
+/*
+ * Copyright 2008 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+/**
+ * Test Java Program
+ *
+ * @author Daryl Puryear
+ * @copyright 1999-2004 Wily Technology, Inc. All rights reserved.
+ */
+public class TestClass3
+{
+ public
+ TestClass3()
+ {
+ }
+}