1 /* 2 * Copyright (c) 2014 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.openjdk.bench.java.security; 24 25 import org.openjdk.jmh.annotations.Benchmark; 26 import org.openjdk.jmh.annotations.BenchmarkMode; 27 import org.openjdk.jmh.annotations.Mode; 28 import org.openjdk.jmh.annotations.OutputTimeUnit; 29 import org.openjdk.jmh.annotations.Scope; 30 import org.openjdk.jmh.annotations.Setup; 31 import org.openjdk.jmh.annotations.State; 32 33 import java.security.AccessController; 34 import java.security.PrivilegedAction; 35 import java.util.concurrent.TimeUnit; 36 37 /** 38 * Benchmark measuring DoPrivileged 39 */ 40 @BenchmarkMode(Mode.AverageTime) 41 @OutputTimeUnit(TimeUnit.NANOSECONDS) 42 @State(Scope.Thread) 43 public class DoPrivileged { 44 45 private PrivilegedAction<Integer> privilegedAction; 46 47 @Setup 48 public void setup() { 49 privilegedAction = () -> 42; 50 } 51 52 @Benchmark 53 public int test() { 54 return AccessController.doPrivileged(privilegedAction); 55 } 56 57 @Benchmark 58 public int testInline() { 59 return AccessController.doPrivileged((PrivilegedAction<Integer>) () -> 42); 60 } 61 62 }