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 }