test/runtime/7107135/TestMT.java

changeset 0
f90c822e73f8
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/test/runtime/7107135/TestMT.java	Wed Apr 27 01:25:04 2016 +0800
     1.3 @@ -0,0 +1,85 @@
     1.4 +/*
     1.5 + * Copyright (c) 2002-2013, Oracle and/or its affiliates. All rights reserved.
     1.6 + * Copyright (c) 2011 SAP AG.  All Rights Reserved.
     1.7 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     1.8 + *
     1.9 + * This code is free software; you can redistribute it and/or modify it
    1.10 + * under the terms of the GNU General Public License version 2 only, as
    1.11 + * published by the Free Software Foundation.
    1.12 + *
    1.13 + * This code is distributed in the hope that it will be useful, but WITHOUT
    1.14 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    1.15 + * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    1.16 + * version 2 for more details (a copy is included in the LICENSE file that
    1.17 + * accompanied this code).
    1.18 + *
    1.19 + * You should have received a copy of the GNU General Public License version
    1.20 + * 2 along with this work; if not, write to the Free Software Foundation,
    1.21 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    1.22 + *
    1.23 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
    1.24 + * or visit www.oracle.com if you need additional information or have any
    1.25 + * questions.
    1.26 + */
    1.27 +
    1.28 +class TestMT {
    1.29 +
    1.30 +    static boolean loadLib(String libName) {
    1.31 +        try {
    1.32 +            System.loadLibrary(libName);
    1.33 +            System.out.println("Loaded library "+ libName + ".");
    1.34 +            return true;
    1.35 +        } catch (SecurityException e) {
    1.36 +            System.out.println("loadLibrary(\"" + libName + "\") throws: " + e + "\n");
    1.37 +        } catch (UnsatisfiedLinkError e) {
    1.38 +            System.out.println("loadLibrary(\"" + libName + "\") throws: " + e + "\n");
    1.39 +        }
    1.40 +        return false;
    1.41 +    }
    1.42 +
    1.43 +    public static int counter        = 1;
    1.44 +    static int Runner() {
    1.45 +        counter = counter * -1;
    1.46 +        int i = counter;
    1.47 +        if (counter < 2) counter += Runner();
    1.48 +        return i;
    1.49 +    }
    1.50 +
    1.51 +    public static int run(String msg) {
    1.52 +        try {
    1.53 +            Runner();
    1.54 +        } catch (StackOverflowError e) {
    1.55 +            System.out.println(msg + " caught stack overflow error.");
    1.56 +            return 0;
    1.57 +        } catch (OutOfMemoryError e) {
    1.58 +            return 0;
    1.59 +        }
    1.60 +        return 2;
    1.61 +    }
    1.62 +
    1.63 +    public static void main(String argv[]) {
    1.64 +        try {
    1.65 +            for (int i = 0; i < 20; i++) {
    1.66 +                Thread t = new DoStackOverflow("SpawnedThread " + i);
    1.67 +                t.start();
    1.68 +            }
    1.69 +            run("Main thread");
    1.70 +            loadLib("test-rwx");
    1.71 +            run("Main thread");
    1.72 +        } catch (Exception e) {
    1.73 +            System.out.println(e);
    1.74 +        }
    1.75 +    }
    1.76 +
    1.77 +    static class DoStackOverflow extends Thread {
    1.78 +        public DoStackOverflow(String name) {
    1.79 +            super(name);
    1.80 +        }
    1.81 +        public void run() {
    1.82 +            for (int i = 0; i < 10; ++i) {
    1.83 +                TestMT.run(getName());
    1.84 +                yield();
    1.85 +            }
    1.86 +        }
    1.87 +    }
    1.88 +}

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