Mercurial > hg > truffle
annotate test/compiler/testlibrary/rtm/XAbortProvoker.java @ 20750:401cbaa475b4 jdk8u31-b03
Added tag jdk8u31-b02 for changeset 087678da9660
author | asaha |
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date | Mon, 29 Sep 2014 11:49:45 -0700 |
parents | 665bbe93823f |
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1 /* |
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2 * Copyright (c) 2014, 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 |
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25 package rtm; |
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26 |
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27 import com.oracle.java.testlibrary.Utils; |
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28 import sun.misc.Unsafe; |
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29 |
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30 /** |
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31 * Current RTM locking implementation force transaction abort |
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32 * before native method call by explicit xabort(0) call. |
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33 */ |
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34 class XAbortProvoker extends AbortProvoker { |
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35 // Following field have to be static in order to avoid escape analysis. |
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36 @SuppressWarnings("UnsuedDeclaration") |
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37 private static int field = 0; |
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38 private static final Unsafe UNSAFE = Utils.getUnsafe(); |
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39 |
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40 public XAbortProvoker() { |
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41 this(new Object()); |
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42 } |
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43 |
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44 public XAbortProvoker(Object monitor) { |
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45 super(monitor); |
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46 } |
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47 |
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48 @Override |
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49 public void forceAbort() { |
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50 synchronized(monitor) { |
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51 XAbortProvoker.field = UNSAFE.addressSize(); |
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52 } |
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53 } |
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54 |
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55 @Override |
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56 public String[] getMethodsToCompileNames() { |
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57 return new String[] { |
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58 getMethodWithLockName(), |
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59 Unsafe.class.getName() + "::addressSize" |
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60 }; |
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61 } |
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62 } |