141 lines
5.4 KiB
Java
141 lines
5.4 KiB
Java
/*
|
|
* Copyright (c) 2020, 2023, 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
|
|
* or visit www.oracle.com if you need additional information or have any
|
|
* questions.
|
|
*/
|
|
|
|
/*
|
|
* @test
|
|
* @bug 8187305
|
|
* @summary Tests logging of shared library loads and unloads.
|
|
* @requires vm.flagless
|
|
* @library /test/lib
|
|
* @build jdk.test.whitebox.WhiteBox
|
|
* @run driver jdk.test.lib.helpers.ClassFileInstaller jdk.test.whitebox.WhiteBox
|
|
* @run main LoadLibraryTest
|
|
*/
|
|
|
|
import jdk.test.lib.process.ProcessTools;
|
|
import jdk.test.lib.process.OutputAnalyzer;
|
|
import jtreg.SkippedException;
|
|
|
|
import jdk.test.whitebox.WhiteBox;
|
|
import jdk.test.lib.classloader.ClassUnloadCommon;
|
|
|
|
public class LoadLibraryTest {
|
|
|
|
public static final String CLASS_NAME = "LoadLibraryTest$LoadLibraryClass";
|
|
|
|
private static class LoadLibrary {
|
|
|
|
static String testClasses;
|
|
|
|
public static void runTest() throws Exception {
|
|
// create a classloader and load a class that loads a library.
|
|
MyClassLoader myLoader = new MyClassLoader();
|
|
Class<?> c = Class.forName(CLASS_NAME, true, myLoader);
|
|
}
|
|
|
|
public static void main(String[] args) throws Exception {
|
|
testClasses = args[0];
|
|
runTest();
|
|
ClassUnloadCommon.triggerUnloading();
|
|
WhiteBox wb = WhiteBox.getWhiteBox();
|
|
if (!wb.isClassAlive(CLASS_NAME)) {
|
|
System.out.println("Class LoadLibraryClass was unloaded");
|
|
while (true) {
|
|
try {
|
|
System.loadLibrary("LoadLibraryClass");
|
|
// Able to load the library with this class's class loader
|
|
// so it must have been unloaded by myLoader.
|
|
break;
|
|
} catch(java.lang.UnsatisfiedLinkError e) {
|
|
if (e.getMessage().contains("already loaded in another classloader")) {
|
|
// Library has not been unloaded yet, so wait a little and check again.
|
|
Thread.sleep(10);
|
|
} else {
|
|
throw new RuntimeException(
|
|
"Unexpected UnsatisfiedLinkError: " + e.getMessage());
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
public static class MyClassLoader extends ClassLoader {
|
|
|
|
protected Class<?> loadClass(String name, boolean resolve)
|
|
throws ClassNotFoundException {
|
|
Class<?> c;
|
|
if (!CLASS_NAME.equals(name)) {
|
|
c = super.loadClass(name, resolve);
|
|
} else {
|
|
// should not delegate to the system class loader
|
|
c = findClass(name);
|
|
if (resolve) {
|
|
resolveClass(c);
|
|
}
|
|
}
|
|
return c;
|
|
}
|
|
|
|
protected Class<?> findClass(String name) throws ClassNotFoundException {
|
|
if (!CLASS_NAME.equals(name)) {
|
|
throw new ClassNotFoundException("Unexpected class: " + name);
|
|
}
|
|
byte[] class_bytes = ClassUnloadCommon.getClassData(name);
|
|
return defineClass(name, class_bytes, 0, class_bytes.length);
|
|
}
|
|
} // MyClassLoader
|
|
}
|
|
|
|
|
|
static class LoadLibraryClass {
|
|
static {
|
|
System.loadLibrary("LoadLibraryClass");
|
|
nTest();
|
|
}
|
|
native static void nTest();
|
|
}
|
|
|
|
|
|
public static void main(String... args) throws Exception {
|
|
ProcessBuilder pb = ProcessTools.createLimitedTestJavaProcessBuilder(
|
|
"-Xbootclasspath/a:.", "-XX:+UnlockDiagnosticVMOptions",
|
|
"-XX:+WhiteBoxAPI", "-Xmn8m", "-Xlog:library=info",
|
|
"-Djava.library.path=" + System.getProperty("java.library.path"),
|
|
"-XX:+UnlockDiagnosticVMOptions", "-XX:+WhiteBoxAPI",
|
|
"-Xlog:class+loader+constraints",
|
|
"LoadLibraryTest$LoadLibrary", System.getProperty("test.classes"));
|
|
|
|
OutputAnalyzer output = new OutputAnalyzer(pb.start());
|
|
output.shouldHaveExitValue(0);
|
|
output.shouldContain("Loaded library");
|
|
output.shouldContain("Found Java_LoadLibraryTest_00024LoadLibraryClass_nTest__ in library");
|
|
if (output.getOutput().contains("Class LoadLibraryClass was unloaded")) {
|
|
output.shouldContain("Unloaded library with handle");
|
|
} else {
|
|
throw new SkippedException(
|
|
"Skipping check for library unloading logging because no unloading occurred");
|
|
}
|
|
}
|
|
}
|