1 /* 2 * Copyright (C) 2013 Google Inc. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except 5 * in compliance with the License. You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software distributed under the License 10 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express 11 * or implied. See the License for the specific language governing permissions and limitations under 12 * the License. 13 */ 14 15 package com.google.caliper.runner; 16 17 /** 18 * A simple interface for registering and deregistering shutdown hooks. 19 */ 20 interface ShutdownHookRegistrar { 21 /** 22 * Adds a hook to run at process shutdown. 23 * 24 * <p>See {@link Runtime#addShutdownHook(Thread)}. 25 */ addShutdownHook(Thread hook)26 void addShutdownHook(Thread hook); 27 /** 28 * Removes a shutdown hook that was previously registered via {@link #addShutdownHook(Thread)}. 29 * 30 * <p>See {@link Runtime#removeShutdownHook(Thread)}. 31 */ removeShutdownHook(Thread hook)32 boolean removeShutdownHook(Thread hook); 33 } 34 35