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lightning-sunbird  0.9+nobinonly
signal.cpp
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00001 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
00002  *
00003  * ***** BEGIN LICENSE BLOCK *****
00004  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
00005  *
00006  * The contents of this file are subject to the Mozilla Public License Version
00007  * 1.1 (the "License"); you may not use this file except in compliance with
00008  * the License. You may obtain a copy of the License at
00009  * http://www.mozilla.org/MPL/
00010  *
00011  * Software distributed under the License is distributed on an "AS IS" basis,
00012  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
00013  * for the specific language governing rights and limitations under the
00014  * License.
00015  *
00016  * The Original Code is mozilla.org code, released
00017  * Jan 28, 2003.
00018  *
00019  * The Initial Developer of the Original Code is
00020  * Netscape Communications Corporation.
00021  * Portions created by the Initial Developer are Copyright (C) 2003
00022  * the Initial Developer. All Rights Reserved.
00023  *
00024  * Contributor(s):
00025  *   Garrett Arch Blythe, 28-January-2003
00026  *
00027  * Alternatively, the contents of this file may be used under the terms of
00028  * either the GNU General Public License Version 2 or later (the "GPL"), or
00029  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
00030  * in which case the provisions of the GPL or the LGPL are applicable instead
00031  * of those above. If you wish to allow use of your version of this file only
00032  * under the terms of either the GPL or the LGPL, and not to allow others to
00033  * use your version of this file under the terms of the MPL, indicate your
00034  * decision by deleting the provisions above and replace them with the notice
00035  * and other provisions required by the GPL or the LGPL. If you do not delete
00036  * the provisions above, a recipient may use your version of this file under
00037  * the terms of any one of the MPL, the GPL or the LGPL.
00038  *
00039  * ***** END LICENSE BLOCK ***** */
00040 
00041 #include "mozce_internal.h"
00042 
00043 extern "C" {
00044 #if 0
00045 }
00046 #endif
00047 
00048 
00049 static _sigsig sigArray[_SIGCOUNT];
00050 
00051 
00052 static void defaultSighandler(int inSignal)
00053 {
00054     // From process.cpp
00055     extern void mozce_abort(void);
00056     mozce_abort();
00057 }
00058 
00059 MOZCE_SHUNT_API int mozce_raise(int inSignal)
00060 {
00061     MOZCE_PRECHECK
00062 
00063 #ifdef DEBUG
00064     mozce_printf("mozce_raise called\n");
00065 #endif
00066 
00067     void (*handler)(int inSignal) = defaultSighandler;
00068 
00069     if(inSignal >= 0 && inSignal < _SIGCOUNT)
00070     {
00071         if(NULL != sigArray[inSignal])
00072         {
00073             handler = sigArray[inSignal];
00074         }
00075     }
00076 
00077     handler(inSignal);
00078     return 0;
00079 }
00080 
00081 
00082 MOZCE_SHUNT_API _sigsig mozce_signal(int inSignal, _sigsig inFunc)
00083 {
00084     MOZCE_PRECHECK
00085 
00086 #ifdef DEBUG
00087     mozce_printf("mozce_signal called\n");
00088 #endif
00089 
00090     void (*retval)(int inSignal) = defaultSighandler;
00091 
00092     if(inSignal >= 0 && inSignal < _SIGCOUNT)
00093     {
00094         if(NULL != sigArray[inSignal])
00095         {
00096             retval = sigArray[inSignal];
00097         }
00098         sigArray[inSignal] = inFunc;
00099     }
00100 
00101     return retval;
00102 }
00103 
00104 
00105 #if 0
00106 {
00107 #endif
00108 } /* extern "C" */
00109