test/hotspot/jtreg/serviceability/attach/RemovingUnixDomainSocketTest.java
changeset 55682 70fab3a8ff02
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/serviceability/attach/RemovingUnixDomainSocketTest.java	Tue Jul 16 07:29:12 2019 +0900
@@ -0,0 +1,81 @@
+/*
+ * Copyright (c) 2019, 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 8225193
+ * @requires os.family != "windows"
+ * @library /test/lib
+ * @run main RemovingUnixDomainSocketTest
+ */
+
+import java.io.IOException;
+import java.nio.file.Path;
+
+import jdk.test.lib.apps.LingeredApp;
+import jdk.test.lib.JDKToolLauncher;
+import jdk.test.lib.process.OutputAnalyzer;
+
+public class RemovingUnixDomainSocketTest {
+
+    private static void runJCmd(long pid) throws InterruptedException, IOException {
+        JDKToolLauncher jcmd = JDKToolLauncher.createUsingTestJDK("jcmd");
+        jcmd.addToolArg(Long.toString(pid));
+        jcmd.addToolArg("VM.version");
+
+        ProcessBuilder pb = new ProcessBuilder(jcmd.getCommand());
+        Process jcmdProc = pb.start();
+
+        OutputAnalyzer out = new OutputAnalyzer(jcmdProc);
+
+        jcmdProc.waitFor();
+
+        System.out.println(out.getStdout());
+        System.err.println(out.getStderr());
+
+        out.stderrShouldBeEmpty();
+    }
+
+    public static void main(String... args) throws Exception {
+        LingeredApp app = null;
+        try {
+            app = LingeredApp.startApp();
+
+            // Access to Attach Listener
+            runJCmd(app.getPid());
+
+            // Remove unix domain socket file
+            var sockFile = Path.of(System.getProperty("java.io.tmpdir"),
+                                   ".java_pid" + app.getPid())
+                               .toFile();
+            System.out.println("Remove " + sockFile.toString());
+            sockFile.delete();
+
+            // Access to Attach Listener again
+            runJCmd(app.getPid());
+        } finally {
+            LingeredApp.stopApp(app);
+        }
+    }
+
+}