| /* |
| * Copyright (c) 2014, 2017, 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.io.IOException; |
| import java.io.InputStream; |
| import java.util.Map; |
| |
| import jdk.testlibrary.ProcessTools; |
| |
| import com.sun.jdi.Bootstrap; |
| import com.sun.jdi.VirtualMachine; |
| import com.sun.jdi.connect.AttachingConnector; |
| import com.sun.jdi.connect.Connector; |
| import com.sun.jdi.connect.IllegalConnectorArgumentsException; |
| |
| /** |
| * @test |
| * @bug 4527279 |
| * @summary Unit test for ProcessAttachingConnector |
| * |
| * @library /lib/testlibrary |
| * @modules java.management |
| * jdk.jdi |
| * @build jdk.testlibrary.* ProcessAttachTest |
| * @run driver ProcessAttachTest |
| */ |
| |
| class ProcessAttachTestTarg { |
| public static void main(String args[]) throws Exception { |
| // Write something that can be read by the driver |
| System.out.println("Debuggee started"); |
| System.out.flush(); |
| for (;;) { |
| Thread.sleep(100); |
| } |
| } |
| } |
| |
| public class ProcessAttachTest { |
| |
| public static final String TESTCLASSES = System.getProperty("test.classes"); |
| |
| public static void main(String[] args) throws Exception { |
| |
| System.out.println("Test 1: Debuggee start with suspend=n"); |
| runTest("-agentlib:jdwp=transport=dt_socket,server=y,suspend=n"); |
| |
| System.out.println("Test 2: Debuggee start with suspend=y"); |
| runTest("-agentlib:jdwp=transport=dt_socket,server=y,suspend=y"); |
| |
| } |
| |
| private static void runTest(String jdwpArg) throws Exception { |
| ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( |
| jdwpArg, |
| "-classpath", TESTCLASSES, |
| "ProcessAttachTestTarg"); |
| Process p = null; |
| try { |
| p = pb.start(); |
| |
| // Wait for the process to start |
| InputStream is = p.getInputStream(); |
| is.read(); |
| |
| // Attach a debugger |
| tryDebug(p.pid()); |
| } finally { |
| p.destroyForcibly(); |
| } |
| } |
| |
| private static void tryDebug(long pid) throws IOException, |
| IllegalConnectorArgumentsException { |
| AttachingConnector ac = Bootstrap.virtualMachineManager().attachingConnectors() |
| .stream() |
| .filter(c -> c.name().equals("com.sun.jdi.ProcessAttach")) |
| .findFirst() |
| .orElseThrow(() -> new RuntimeException("Unable to locate ProcessAttachingConnector")); |
| |
| Map<String, Connector.Argument> args = ac.defaultArguments(); |
| Connector.StringArgument arg = (Connector.StringArgument) args |
| .get("pid"); |
| arg.setValue("" + pid); |
| |
| System.out.println("Debugger is attaching to: " + pid + " ..."); |
| VirtualMachine vm = ac.attach(args); |
| |
| // list all threads |
| System.out.println("Attached! Now listing threads ..."); |
| vm.allThreads().stream().forEach(System.out::println); |
| |
| System.out.println("Debugger done."); |
| vm.dispose(); |
| } |
| } |