| /* |
| * Copyright (c) 2004, 2015, 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. |
| */ |
| |
| /* @test |
| * @bug 4997445 |
| * @summary Test that with server=y, when VM runs to System.exit() no error happens |
| * @library /lib/testlibrary |
| * @modules java.management |
| * jdk.jdi |
| * @build jdk.testlibrary.* VMConnection RunToExit Exit0 |
| * @run driver RunToExit |
| */ |
| import java.net.ServerSocket; |
| import com.sun.jdi.Bootstrap; |
| import com.sun.jdi.VirtualMachine; |
| import com.sun.jdi.event.*; |
| import com.sun.jdi.connect.Connector; |
| import com.sun.jdi.connect.AttachingConnector; |
| import java.net.ConnectException; |
| import java.util.Map; |
| import java.util.List; |
| import java.util.Iterator; |
| import java.util.concurrent.TimeUnit; |
| import java.util.stream.Collectors; |
| import jdk.testlibrary.ProcessTools; |
| |
| public class RunToExit { |
| |
| /* Increment this when ERROR: seen */ |
| static volatile int error_seen = 0; |
| static volatile boolean ready = false; |
| |
| /* |
| * Find a connector by name |
| */ |
| private static Connector findConnector(String name) { |
| List connectors = Bootstrap.virtualMachineManager().allConnectors(); |
| Iterator iter = connectors.iterator(); |
| while (iter.hasNext()) { |
| Connector connector = (Connector)iter.next(); |
| if (connector.name().equals(name)) { |
| return connector; |
| } |
| } |
| return null; |
| } |
| |
| /* |
| * Launch a server debuggee with the given address |
| */ |
| private static Process launch(String address, String class_name) throws Exception { |
| String args[] = new String[]{ |
| "-agentlib:jdwp=transport=dt_socket,server=y,suspend=y,address=" |
| + address, |
| class_name |
| }; |
| args = VMConnection.insertDebuggeeVMOptions(args); |
| |
| ProcessBuilder launcher = ProcessTools.createJavaProcessBuilder(args); |
| |
| System.out.println(launcher.command().stream().collect(Collectors.joining(" ", "Starting: ", ""))); |
| |
| Process p = ProcessTools.startProcess( |
| class_name, |
| launcher, |
| RunToExit::checkForError, |
| RunToExit::isTransportListening, |
| 0, |
| TimeUnit.NANOSECONDS |
| ); |
| |
| return p; |
| } |
| |
| private static boolean isTransportListening(String line) { |
| return line.startsWith("Listening for transport dt_socket"); |
| } |
| |
| private static void checkForError(String line) { |
| if (line.contains("ERROR:")) { |
| error_seen++; |
| } |
| } |
| |
| /* |
| * - pick a TCP port |
| * - Launch a server debuggee: server=y,suspend=y,address=${port} |
| * - run it to VM death |
| * - verify we saw no error |
| */ |
| public static void main(String args[]) throws Exception { |
| // find a free port |
| ServerSocket ss = new ServerSocket(0); |
| int port = ss.getLocalPort(); |
| ss.close(); |
| |
| String address = String.valueOf(port); |
| |
| // launch the server debuggee |
| Process process = launch(address, "Exit0"); |
| |
| // attach to server debuggee and resume it so it can exit |
| AttachingConnector conn = (AttachingConnector)findConnector("com.sun.jdi.SocketAttach"); |
| Map conn_args = conn.defaultArguments(); |
| Connector.IntegerArgument port_arg = |
| (Connector.IntegerArgument)conn_args.get("port"); |
| port_arg.setValue(port); |
| |
| System.out.println("Connection arguments: " + conn_args); |
| |
| VirtualMachine vm = null; |
| while (vm == null) { |
| try { |
| vm = conn.attach(conn_args); |
| } catch (ConnectException e) { |
| e.printStackTrace(System.out); |
| System.out.println("--- Debugee not ready. Retrying in 500ms. ---"); |
| Thread.sleep(500); |
| } |
| } |
| |
| // The first event is always a VMStartEvent, and it is always in |
| // an EventSet by itself. Wait for it. |
| EventSet evtSet = vm.eventQueue().remove(); |
| for (Event event: evtSet) { |
| if (event instanceof VMStartEvent) { |
| break; |
| } |
| throw new RuntimeException("Test failed - debuggee did not start properly"); |
| } |
| vm.eventRequestManager().deleteAllBreakpoints(); |
| vm.resume(); |
| |
| int exitCode = process.waitFor(); |
| |
| // if the server debuggee ran cleanly, we assume we were clean |
| if (exitCode == 0 && error_seen == 0) { |
| System.out.println("Test passed - server debuggee cleanly terminated"); |
| } else { |
| throw new RuntimeException("Test failed - server debuggee generated an error when it terminated, " + |
| "exit code was " + exitCode + ", " + error_seen + " error(s) seen in debugee output."); |
| } |
| } |
| } |