/**
 * @file
 * $Id$
 * $Revision$
 * $Author$
 * $Date$
 *
 * This file is part of The iWear Framework.
 *
 * The iWear Framework 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 as in version 2 of the License.

 * 
 * The iWear Framework 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
 * The iWear Framework; if not, write to the Free Software Foundation, Inc., 59
 * Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#ifndef __IWEAR_SEMLOCKER_H
#define __IWEAR_SEMLOCKER_H

#ifndef __IWEAR_IWSEMAPHORE_H
#include <iwear/iwsemaphore.h>
#endif

namespace iwear
{
class SemLocker
{
private:
protected:
    IWSemaphore* Sem;
public:
    SemLocker( IWSemaphore* s );
    SemLocker( IWSemaphore& s );
    ~SemLocker( );
};

SemLocker::SemLocker( IWSemaphore* s )
    : Sem(s)
{
    if ( Sem )
    {
	Sem->Wait();
    }
}

SemLocker::SemLocker( IWSemaphore& s )
    : Sem(&s)
{
    if ( Sem )
    {
	Sem->Wait();
    }
}

SemLocker::~SemLocker()
{
    if ( Sem )
    {
	Sem->Post();
    }
}

}
#endif