PuyoLock.cpp

/* FloboPuyo - PuyoLock Class
* Copyright (C) 2004 Guillaume Borios <gyom@ios-software.com>
* iOS Software <http://www.ios-software.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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
*
*
*/

#include "PuyoLock.h"

#include <cstdio>

PuyoLock::PuyoLock()
{
    lockLevel = 0;
}

PuyoLock::~PuyoLock()
{
    // Nothing to free
}

void PuyoLock::lock()
{
    lockLevel++;
}

void PuyoLock::unlock()
{
    if (lockLevel > 0) lockLevel --;
    else
    {
        fprintf(stderr,"Unlock not done (lock index already at 0)");
        // exit (1);
    }
}

bool PuyoLock::locked()
{
    return (lockLevel > 0);
}