org.springframework.boot.loader.tools.SignalUtils Maven / Gradle / Ivy
/*
* Copyright 2012-2016 the original author or authors.
*
* Licensed 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.springframework.boot.loader.tools;
import sun.misc.Signal;
import sun.misc.SignalHandler;
/**
* Utilities for working with signal handling.
*
* @author Dave Syer
* @since 1.1.0
*/
@SuppressWarnings("restriction")
@UsesUnsafeJava
public final class SignalUtils {
private static final Signal SIG_INT = new Signal("INT");
private SignalUtils() {
}
/**
* Handle {@literal INT} signals by calling the specified {@link Runnable}.
* @param runnable the runnable to call on SIGINT.
*/
public static void attachSignalHandler(final Runnable runnable) {
Signal.handle(SIG_INT, new SignalHandler() {
@Override
public void handle(Signal signal) {
runnable.run();
}
});
}
}