Mercurial > hg > graal-compiler
view test/compiler/testlibrary/rtm/XAbortProvoker.java @ 20276:1526a938e670
8047818: G1 HeapRegions can no longer be ContiguousSpaces
Summary: Change parent of G1OffsetTableContigSpace to CompactibleSpace, reimplement missing functionality
Reviewed-by: stefank, jmasa, tschatzl
author | mgerdin |
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date | Thu, 26 Jun 2014 11:36:58 +0200 |
parents | 665bbe93823f |
children |
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/* * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ package rtm; import com.oracle.java.testlibrary.Utils; import sun.misc.Unsafe; /** * Current RTM locking implementation force transaction abort * before native method call by explicit xabort(0) call. */ class XAbortProvoker extends AbortProvoker { // Following field have to be static in order to avoid escape analysis. @SuppressWarnings("UnsuedDeclaration") private static int field = 0; private static final Unsafe UNSAFE = Utils.getUnsafe(); public XAbortProvoker() { this(new Object()); } public XAbortProvoker(Object monitor) { super(monitor); } @Override public void forceAbort() { synchronized(monitor) { XAbortProvoker.field = UNSAFE.addressSize(); } } @Override public String[] getMethodsToCompileNames() { return new String[] { getMethodWithLockName(), Unsafe.class.getName() + "::addressSize" }; } }