1 /* 2 * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /* 25 * @test 26 * @bug 8225193 27 * @requires os.family != "windows" 28 * @library /test/lib 29 * @run main RemovingUnixDomainSocketTest 30 */ 31 32 import java.io.IOException; 33 import java.nio.file.Path; 34 35 import jdk.test.lib.apps.LingeredApp; 36 import jdk.test.lib.JDKToolLauncher; 37 import jdk.test.lib.process.OutputAnalyzer; 38 39 public class RemovingUnixDomainSocketTest { 40 41 private static void runJCmd(long pid) throws InterruptedException, IOException { 42 JDKToolLauncher jcmd = JDKToolLauncher.createUsingTestJDK("jcmd"); 43 jcmd.addToolArg(Long.toString(pid)); 44 jcmd.addToolArg("VM.version"); 45 46 ProcessBuilder pb = new ProcessBuilder(jcmd.getCommand()); 47 Process jcmdProc = pb.start(); 48 49 OutputAnalyzer out = new OutputAnalyzer(jcmdProc); 50 51 jcmdProc.waitFor(); 52 53 System.out.println(out.getStdout()); 54 System.err.println(out.getStderr()); 55 56 out.stderrShouldBeEmpty(); 57 } 58 59 public static void main(String... args) throws Exception { 60 LingeredApp app = null; 61 try { 62 app = LingeredApp.startApp(); 63 64 // Access to Attach Listener 65 runJCmd(app.getPid()); 66 67 // Remove unix domain socket file 68 var sockFile = Path.of(System.getProperty("java.io.tmpdir"), 69 ".java_pid" + app.getPid()) 70 .toFile(); 71 System.out.println("Remove " + sockFile.toString()); 72 sockFile.delete(); 73 74 // Access to Attach Listener again 75 runJCmd(app.getPid()); 76 } finally { 77 LingeredApp.stopApp(app); 78 } 79 } 80 81 }