1 /*
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   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
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  23 
  24 /**
  25  * @test
  26  * @bug 8163805 8224252
  27  * @summary Checks that the jshdb debugd utility sucessfully starts
  28  *          and tries to attach to a running process
  29  * @requires vm.hasSAandCanAttach
  30  * @requires os.family != "windows"
  31  * @modules java.base/jdk.internal.misc
  32  * @library /test/lib
  33  *
  34  * @run main/othervm SADebugDTest
  35  */
  36 
  37 import java.util.concurrent.TimeUnit;
  38 
  39 import jdk.test.lib.apps.LingeredApp;
  40 import jdk.test.lib.JDKToolLauncher;
  41 import static jdk.test.lib.process.ProcessTools.startProcess;
  42 
  43 public class SADebugDTest {
  44 
  45     private static final String GOLDEN = "Debugger attached";
  46 
  47     public static void main(String[] args) throws Exception {
  48         LingeredApp app = null;
  49 
  50         try {
  51             app = LingeredApp.startApp();
  52             System.out.println("Started LingeredApp with pid " + app.getPid());
  53 
  54             JDKToolLauncher jhsdbLauncher = JDKToolLauncher.createUsingTestJDK("jhsdb");
  55             jhsdbLauncher.addToolArg("debugd");
  56             jhsdbLauncher.addToolArg("--pid");
  57             jhsdbLauncher.addToolArg(Long.toString(app.getPid()));
  58             ProcessBuilder pb = new ProcessBuilder(jhsdbLauncher.getCommand());
  59 
  60             // The startProcess will block untl the 'golden' string appears in either process' stdout or stderr
  61             // In case of timeout startProcess kills the debugd process
  62             Process debugd = startProcess("debugd", pb, null, l -> l.contains(GOLDEN), 0, TimeUnit.SECONDS);
  63 
  64             // If we are here, this means we have received the golden line and the test has passed
  65             // The debugd remains running, we have to kill it
  66             debugd.destroy();
  67             debugd.waitFor();
  68         } finally {
  69             LingeredApp.stopApp(app);
  70         }
  71 
  72     }
  73 
  74 }