package com.chzhao.SignalTest;

import sun.misc.*;

@SuppressWarnings("restriction")

public class TestSignal implements SignalHandler {

    public void handle(Signal arg0) {

        System.out.println(arg0.getName() + "is recevied.");

    }

}

package com.chzhao.SignalTest;

import sun.misc.*;

public class App {

    @SuppressWarnings("restriction")

    public static void main(String[] args) {

        TestSignal handler = new TestSignal();

        Signal.handle(new Signal("TERM"), handler);

        Signal.handle(new Signal("INT"), handler);

        Signal.handle(new Signal("USR1"), handler);

        Signal.handle(new Signal("USR2"), handler);

        for (;;) {

            System.out.println("do something");

            try {

                Thread.sleep(1000);

            } catch (InterruptedException e) {

                e.printStackTrace();

            }

        }

    }

}