--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/com/sun/jdi/ProcessAttachDebugger.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,81 @@
+/*
+ * Copyright 2005 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.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.");
+    }
+
+}