1 /* 2 * Copyright (c) 1998, 2016, 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. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package sun.misc; 27 28 import jdk.internal.unsupported.SignalDelegate; 29 30 /** 31 * This is the signal handler interface expected in <code>Signal.handle</code>. 32 * 33 * @author Sheng Liang 34 * @author Bill Shannon 35 * @see sun.misc.Signal 36 * @since 1.2 37 */ 38 39 public interface SignalHandler { 40 41 /** 42 * The default signal handler 43 */ 44 public static final SignalHandler SIG_DFL = 45 new Signal.SunMiscHandler(null, SignalDelegate.Handler.SIG_DFL); 46 /** 47 * Ignore the signal 48 */ 49 public static final SignalHandler SIG_IGN = 50 new Signal.SunMiscHandler(null, SignalDelegate.Handler.SIG_IGN); 51 52 /** 53 * Handle the given signal 54 * 55 * @param sig a signal object 56 */ 57 public void handle(Signal sig); 58 }