1 /* 2 * Copyright (c) 2016, 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 package org.graalvm.compiler.hotspot.test; 24 25 import org.junit.Ignore; 26 import org.junit.Test; 27 28 import org.graalvm.compiler.api.directives.GraalDirectives; 29 30 /** 31 * Test on-stack-replacement with locks. 32 */ 33 public class GraalOSRLockTest extends GraalOSRTestBase { 34 35 @Ignore("OSR with locks not supported") 36 @Test 37 public void testOSR() { 38 testOSR("test"); 39 } 40 41 static int limit = 10000; 42 43 private static Object lock = new Object(); 44 45 public static ReturnValue test() { 46 synchronized (lock) { 47 for (int i = 0; i < limit * limit; i++) { 48 GraalDirectives.blackhole(i); 49 if (GraalDirectives.inCompiledCode()) { 50 return ReturnValue.SUCCESS; 51 } 52 } 53 return ReturnValue.FAILURE; 54 } 55 } 56 57 }