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signal.cpp

/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
 *
 * ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (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.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is mozilla.org code, released
 * Jan 28, 2003.
 *
 * The Initial Developer of the Original Code is
 * Netscape Communications Corporation.
 * Portions created by the Initial Developer are Copyright (C) 2003
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *   Garrett Arch Blythe, 28-January-2003
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */

#include "mozce_internal.h"

extern "C" {
#if 0
}
#endif


static _sigsig sigArray[_SIGCOUNT];


static void defaultSighandler(int inSignal)
{
    // From process.cpp
    extern void abort(void);
    abort();
}


MOZCE_SHUNT_API int raise(int inSignal)
{
#ifdef API_LOGGING
    mozce_printf("raise called\n");
#endif

    void (*handler)(int inSignal) = defaultSighandler;

    if(inSignal >= 0 && inSignal < _SIGCOUNT)
    {
        if(NULL != sigArray[inSignal])
        {
            handler = sigArray[inSignal];
        }
    }

    handler(inSignal);
    return 0;
}


MOZCE_SHUNT_API _sigsig signal(int inSignal, _sigsig inFunc)
{
#ifdef API_LOGGING
    mozce_printf("signal called\n");
#endif

    void (*retval)(int inSignal) = defaultSighandler;

    if(inSignal >= 0 && inSignal < _SIGCOUNT)
    {
        if(NULL != sigArray[inSignal])
        {
            retval = sigArray[inSignal];
        }
        sigArray[inSignal] = inFunc;
    }

    return retval;
}


#if 0
{
#endif
} /* extern "C" */


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