Mercurial > hg > truffle

annotate test/compiler/testlibrary/rtm/NestedAbortProvoker.java @ 18408:2c3666f44855

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Truffle: initial commit of object API implementation
author Andreas Woess <andreas.woess@jku.at>
date Tue, 18 Nov 2014 23:19:43 +0100
parents 665bbe93823f
children
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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 java.util.Arrays;
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28
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29 /**
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30 * In order to force nested transaction abort NestedAbortProvoker
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31 * invoke BufferOverflowProvoker from transactional region.
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32 */
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33 class NestedAbortProvoker extends AbortProvoker {
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34 // Following field have to be static in order to avoid escape analysis.
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35 @SuppressWarnings("UnsuedDeclaration")
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36 private static int field = 0;
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37 private final AbortProvoker nestedAbortProvoker;
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38
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39 public NestedAbortProvoker() {
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40 this.nestedAbortProvoker = new XAbortProvoker(monitor);
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41 }
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42
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43 @Override
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44 public void forceAbort() {
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45 synchronized(monitor) {
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46 NestedAbortProvoker.field++;
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47 nestedAbortProvoker.forceAbort();
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48 NestedAbortProvoker.field--;
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49 }
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50 }
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51
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52 @Override
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53 public String[] getMethodsToCompileNames() {
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54 String nestedProvokerMethods[]
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55 = nestedAbortProvoker.getMethodsToCompileNames();
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56 String methods[] = Arrays.copyOf(nestedProvokerMethods,
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57 nestedProvokerMethods.length + 1);
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58 methods[methods.length - 1] = getMethodWithLockName();
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59 return methods;
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60 }
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61 }