1 /* 2 * Copyright (c) 2010, 2013, 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 /** 25 * JDK-8026367: Add a sync keyword to mozilla_compat 26 * 27 * @test 28 * @run 29 */ 30 31 if (typeof sync === "undefined") { 32 load("nashorn:mozilla_compat.js"); 33 } 34 35 var obj = { 36 count: 0, 37 // Sync called with one argument will synchronize on this-object of invocation 38 inc: sync(function(d) { 39 this.count += d; 40 Assert.assertTrue(java.lang.Thread.holdsLock(this)); 41 }), 42 // Pass explicit object to synchronize on as second argument 43 dec: sync(function(d) { 44 this.count -= d; 45 Assert.assertTrue(java.lang.Thread.holdsLock(obj)); 46 }, obj) 47 }; 48 49 var t1 = new java.lang.Thread(function() { 50 for (var i = 0; i < 100000; i++) obj.inc(1); 51 }); 52 var t2 = new java.lang.Thread(function() { 53 for (var i = 0; i < 100000; i++) obj.dec(1); 54 }); 55 56 t1.start(); 57 t2.start(); 58 t1.join(); 59 t2.join(); 60 61 if (obj.count !== 0) { 62 throw new Error("Expected count == 0, got " + obj.count); 63 }