ErrorHandler.cpp

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/* ES40 emulator.
 * Copyright (C) 2007-2008 by the ES40 Emulator Project
 *
 * WWW    : http://sourceforge.net/projects/es40
 * E-mail : camiel@camicom.com
 * 
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 * 
 * Although this is not required, the author would appreciate being notified of, 
 * and receiving any modifications you may make to the source code that might serve
 * the general public.
 */

//
// ErrorHandler.cpp
//
// $Id: ErrorHandler.cpp,v 1.1 2008/03/31 19:13:29 iamcamiel Exp $
//
// Library: Foundation
// Package: Threading
// Module:  ErrorHandler
//
// Copyright (c) 2005-2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// Permission is hereby granted, free of charge, to any person or organization
// obtaining a copy of the software and accompanying documentation covered by
// this license (the "Software") to use, reproduce, display, distribute,
// execute, and transmit the Software, and to prepare derivative works of the
// Software, and to permit third-parties to whom the Software is furnished to
// do so, all subject to the following:
// 
// The copyright notices in the Software and this entire statement, including
// the above license grant, this restriction and the following disclaimer,
// must be included in all copies of the Software, in whole or in part, and
// all derivative works of the Software, unless such copies or derivative
// works are solely in the form of machine-executable object code generated by
// a source language processor.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
//


#include "VMS/ErrorHandler.h"
#include "VMS/SingletonHolder.h"


namespace Poco {


ErrorHandler* ErrorHandler::_pHandler = ErrorHandler::defaultHandler();
FastMutex ErrorHandler::_mutex;


ErrorHandler::ErrorHandler()
{
}


ErrorHandler::~ErrorHandler()
{
}


void ErrorHandler::exception(const Exception& exc)
{
        poco_debugger_msg(exc.what());
}

        
void ErrorHandler::exception(const std::exception& exc)
{
        poco_debugger_msg(exc.what());
}


void ErrorHandler::exception()
{
        poco_debugger_msg("unknown exception");
}


void ErrorHandler::handle(const Exception& exc)
{
        FastMutex::ScopedLock lock(_mutex);
        try
        {
                _pHandler->exception(exc);
        }
        catch (...)
        {
        }
}

        
void ErrorHandler::handle(const std::exception& exc)
{
        FastMutex::ScopedLock lock(_mutex);
        try
        {
                _pHandler->exception(exc);
        }
        catch (...)
        {
        }
}


void ErrorHandler::handle()
{
        FastMutex::ScopedLock lock(_mutex);
        try
        {
                _pHandler->exception();
        }
        catch (...)
        {
        }
}


ErrorHandler* ErrorHandler::set(ErrorHandler* pHandler)
{
        poco_check_ptr(pHandler);

        FastMutex::ScopedLock lock(_mutex);
        ErrorHandler* pOld = _pHandler;
        _pHandler = pHandler;
        return pOld;
}

        
ErrorHandler* ErrorHandler::defaultHandler()
{
        static SingletonHolder<ErrorHandler> sh;
        return sh.get();
}


} // namespace Poco

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