1 /* 2 * Copyright (c) 2014, 2019, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 package compiler.testlibrary.rtm; 25 26 /** 27 * Current RTM locking implementation force transaction abort 28 * before native method call by explicit xabort(0) call. 29 */ 30 public class XAbortProvoker extends AbortProvoker { 31 32 static { 33 try { 34 System.loadLibrary("XAbortProvoker"); 35 } catch (UnsatisfiedLinkError e) { 36 System.out.println("Could not load native library: " + e); 37 } 38 } 39 40 public native int doAbort(); 41 42 // Following field have to be static in order to avoid escape analysis. 43 @SuppressWarnings("UnsuedDeclaration") 44 private static int field = 0; 45 46 public XAbortProvoker() { 47 this(new Object()); 48 } 49 50 public XAbortProvoker(Object monitor) { 51 super(monitor); 52 } 53 54 @Override 55 public void forceAbort() { 56 synchronized(monitor) { 57 XAbortProvoker.field = doAbort(); 58 } 59 } 60 61 @Override 62 public String[] getMethodsToCompileNames() { 63 return new String[] { 64 getMethodWithLockName(), 65 XAbortProvoker.class.getName() + "::doAbort" 66 }; 67 } 68 }