/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.commons.daemon;
/**
* Tags a Daemon as supporting some kind of
* signaling method that allows the java application to
* perform a custom action.
* <p>
* User must implement a signal method that will be called from
* native upon receiving {@code SIGUSR2} signal from the operating system.
* </p>
* @author Nick Griffiths <nicobrevin@gmail.com>
* @author Mladen Turk <mturk@apache.org>
* @version $Id: DaemonUserSignal.java 1204010 2011-11-19 16:15:23Z ggregory $
*/
public interface DaemonUserSignal
{
/**
* Performs a custom action on received user signal.
*/
void signal();
}