| /* |
| * Copyright (c) 2015, 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. |
| */ |
| |
| import java.lang.reflect.Layer; |
| import java.net.URI; |
| import java.nio.file.FileSystem; |
| import java.nio.file.FileSystems; |
| import java.nio.file.Files; |
| import java.nio.file.Path; |
| import java.util.List; |
| import java.util.stream.Collectors; |
| import java.util.stream.Stream; |
| |
| /* |
| * jimage shared open testing. |
| * @test |
| * @summary Test to see if thread interrupt handling interferes with other threads. |
| * @build JImageOpenTest.java |
| * @run main/othervm -Djdk.image.map.all=false JImageOpenTest |
| */ |
| public class JImageOpenTest { |
| private static final int NTHREADS = 10; |
| |
| public static void main(String[] args) throws Exception { |
| |
| final FileSystem fs = FileSystems.getFileSystem(URI.create("jrt:/")); |
| final Path root = fs.getPath("/modules"); |
| |
| final List<String> names = Files.walk(root) |
| .filter(p -> p.getNameCount() > 2) |
| .filter(p -> Layer.boot().findModule(p.getName(1).toString()).isPresent()) |
| .map(p -> p.subpath(2, p.getNameCount())) |
| .map(p -> p.toString()) |
| .filter(s -> s.endsWith(".class") && !s.endsWith("module-info.class")) |
| .collect(Collectors.toList()); |
| |
| Runnable r = new Runnable() { |
| @Override |
| public void run() { |
| names.forEach(name -> { |
| String cn = name.substring(0, name.length() - 6).replace('/', '.'); |
| try { |
| Class.forName(cn, false, ClassLoader.getSystemClassLoader()); |
| } catch (Exception ex) { |
| System.err.println(Thread.currentThread() + " " + ex.getClass()); |
| } |
| }); |
| } |
| }; |
| |
| Thread[] threads = new Thread[NTHREADS]; |
| |
| for (int i = 0; i < NTHREADS; i++) { |
| Thread thread = new Thread(r); |
| threads[i] = thread; |
| thread.start(); |
| } |
| |
| Thread.sleep(1); |
| |
| for (int i = 0; i < NTHREADS; i++) { |
| Thread thread = threads[i]; |
| |
| if (thread.isAlive()) { |
| thread.interrupt(); |
| break; |
| } |
| } |
| |
| for (int i = 0; i < NTHREADS; i++) { |
| Thread thread = threads[i]; |
| thread.join(); |
| } |
| } |
| } |