/*
* 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.");
}
}