1 /*
   2  * Copyright (c) 2017, 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 6824477
  27  * @summary Selector.select can fail with IOException "Invalid argument" on
  28  *     Solaris if maximum number of file descriptors is less than 10000
  29  * @requires (os.family != "windows")
  30  * @library /test/lib
  31  * @build LotsOfUpdates
  32  * @run main LotsOfUpdatesTest
  33  */
  34 
  35 import jdk.test.lib.process.ProcessTools;
  36 
  37 public class LotsOfUpdatesTest {
  38 
  39     //hard limit needs to be less than 10000 for this bug
  40     private static final String ULIMIT_SET_CMD = "ulimit -n 2048";
  41 
  42     private static final String JAVA_CMD = ProcessTools.getCommandLine(
  43             ProcessTools.createJavaProcessBuilder(LotsOfUpdates.class.getName()));
  44 
  45     public static void main(String[] args) throws Throwable {
  46         ProcessTools.executeCommand("sh", "-c", ULIMIT_SET_CMD + " && " + JAVA_CMD)
  47                     .shouldHaveExitValue(0);
  48     }
  49 }