| /* |
| * Copyright (c) 2005, 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. |
| */ |
| |
| /* |
| * |
| * |
| * Unit test for ProcessAttachingConnector - this "debugger" attaches to a debuggee |
| * given it's pid. Usage: |
| * |
| * java ProcessAttachDebugger <pid> |
| */ |
| |
| import com.sun.jdi.Bootstrap; |
| import com.sun.jdi.VirtualMachine; |
| import com.sun.jdi.ThreadReference; |
| import com.sun.jdi.connect.Connector; |
| import com.sun.jdi.connect.AttachingConnector; |
| |
| import java.util.List; |
| import java.util.Map; |
| |
| public class ProcessAttachDebugger { |
| |
| public static void main(String main_args[]) throws Exception { |
| String pid = main_args[0]; |
| |
| // find ProcessAttachingConnector |
| |
| List<AttachingConnector> l = |
| Bootstrap.virtualMachineManager().attachingConnectors(); |
| AttachingConnector ac = null; |
| for (AttachingConnector c: l) { |
| if (c.name().equals("com.sun.jdi.ProcessAttach")) { |
| ac = c; |
| break; |
| } |
| } |
| if (ac == null) { |
| throw 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); |
| |
| System.out.println("Attached! Now listing threads ..."); |
| |
| // list all threads |
| |
| for (ThreadReference thr: vm.allThreads()) { |
| System.out.println(thr); |
| } |
| |
| System.out.println("Debugger done."); |
| } |
| |
| } |