Signal.cxx

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/*
 * Copyright (c) 2001-2004 MUSIC TECHNOLOGY GROUP (MTG)
 *                         UNIVERSITAT POMPEU FABRA
 *
 *
 * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */

#include "Signal.hxx"

namespace SigSlot
{
                static Signal::tConnectionIdStack   smFreeIdStack;
                Signal::tConnectionId        Signal::smLastConnectionId = 0;

                Signal::~Signal()
                {
                }
                
                Signal::tConnectionId Signal::AssignConnection()
                {
                                if ( smFreeIdStack.empty() )
                                                return smLastConnectionId++;
                                
                                tConnectionId id = smFreeIdStack.top();
                                smFreeIdStack.pop();
                                return id;
                }

                void Signal::FreeConnectionId( Signal::tConnectionId freedConnectionId )
                {
                                smFreeIdStack.push( freedConnectionId );
                }

}