81 lines
2.8 KiB
Java
81 lines
2.8 KiB
Java
/*
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* Copyright (c) 2020, 2024, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package nsk.share;
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import java.lang.reflect.InvocationTargetException;
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import java.lang.reflect.Method;
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import java.util.concurrent.atomic.AtomicReference;
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public final class MainWrapper {
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public static final String OLD_MAIN_THREAD_NAME = "old-m-a-i-n";
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static AtomicReference<Throwable> ue = new AtomicReference<>();
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public MainWrapper() {
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}
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public static void main(String[] args) throws Throwable {
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String wrapperName = args[0];
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String className = args[1];
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String[] classArgs = new String[args.length - 2];
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System.arraycopy(args, 2, classArgs, 0, args.length - 2);
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// Some tests use this property to understand if virtual threads are used
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System.setProperty("test.thread.factory", wrapperName);
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Runnable task = () -> {
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try {
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Class<?> c = Class.forName(className);
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Method mainMethod = c.getMethod("main", new Class[] { String[].class });
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mainMethod.setAccessible(true);
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mainMethod.invoke(null, new Object[] { classArgs });
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} catch (InvocationTargetException e) {
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e.printStackTrace();
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ue.set(e.getCause());
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} catch (Exception e) {
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e.printStackTrace();
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}
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};
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Thread t;
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if (wrapperName.equals("Virtual")) {
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t = unstartedVirtualThread(task);
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} else {
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t = new Thread(task);
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}
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t.setName("main");
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Thread.currentThread().setName(OLD_MAIN_THREAD_NAME);
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t.start();
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t.join();
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if (ue.get() != null) {
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throw ue.get();
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}
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}
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static Thread unstartedVirtualThread(Runnable task) {
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return Thread.ofVirtual().unstarted(task);
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}
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}
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