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annotate test/runtime/contended/HasNonStatic.java @ 10348:3970971c91e0

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8015270: @Contended: fix multiple issues in the layout code Summary: field count handling fixed, has_nonstatic_fields invariant fixed, oop map overrun fixed; new asserts Reviewed-by: kvn, dcubed, coleenp
author shade
date Mon, 27 May 2013 12:49:08 -0700
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10348
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1 /*
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2 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23
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24 import java.io.BufferedReader;
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25 import java.io.InputStreamReader;
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26 import java.lang.Class;
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27 import java.lang.String;
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28 import java.lang.System;
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29 import java.lang.management.ManagementFactory;
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30 import java.lang.management.RuntimeMXBean;
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31 import java.util.ArrayList;
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32 import java.util.List;
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33 import java.util.concurrent.CyclicBarrier;
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34 import java.util.regex.Matcher;
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35 import java.util.regex.Pattern;
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36 import java.lang.reflect.Field;
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37 import java.lang.reflect.Modifier;
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38 import sun.misc.Unsafe;
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39 import sun.misc.Contended;
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40
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41 /*
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42 * @test
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43 * @bug 8015270
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44 * @summary \@Contended: fix multiple issues in the layout code
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45 *
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46 * @run main/othervm -XX:-RestrictContended HasNonStatic
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47 */
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48 public class HasNonStatic {
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49
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50 public static void main(String[] args) throws Exception {
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51 R1 r1 = new R1();
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52 R2 r2 = new R2();
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53 R3 r3 = new R3();
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54 R4 r4 = new R4();
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55 }
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56
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57 public static class R1 {
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58 @Contended
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59 Object o;
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60 }
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61
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62 @Contended
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63 public static class R2 {
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64 Object o;
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65 }
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66
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67 @Contended
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68 public static class R3 {
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69 }
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70
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71 public static class R4 extends R3 {
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72 }
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73
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74 }
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75