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synchronized.h

/*
 *                         Sun Public License Notice
 *
 * The contents of this file are subject to the Sun Public License
 * Version 1.0 (the "License"); you may not use this file except
 * in compliance with the License. A copy of the License is available
 * at http://www.sun.com/
 *
 * The Original Code is the Java Profiler module.  The Initial Developers
 * of the Original Code are Jan Stola, Pavel Vacha, Michal Pise, Petr Luner,
 * Lukas Petru and Marek Przeczek.
 *
 * Portions created by Jan Stola are Copyright (C) 2000-2001.
 * All Rights Reserved.
 *
 * Portions created by Pavel Vacha are Copyright (C) 2000-2001.
 * All Rights Reserved.
 *
 * Portions created by Michal Pise are Copyright (C) 2000-2001.
 * All Rights Reserved.
 *
 * Portions created by Petr Luner are Copyright (C) 2000-2001.
 * All Rights Reserved.
 *
 * Portions created by Lukas Petru are Copyright (C) 2000-2001.
 * All Rights Reserved.
 *
 * Portions created by Marek Przeczek are Copyright (C) 2000-2001.
 * All Rights Reserved.
 *
 * Contributors: Jan Stola, Pavel Vacha, Michal Pise, Petr Luner,
 *               Lukas Petru and Marek Przeczek.
 */

#ifndef _SYNCHRONIZED_H_
#define _SYNCHRONIZED_H_

#include "../main/includes.h"
#include "../prof/lock.h"

class Synchronized {

        Lock& _lock;

        int     _released;

public:

        Synchronized( Lock& lock, int entr = 1) :
        
                _lock( lock),
                _released( 1) {

                if( entr) enter();
        }
        
        ~Synchronized() { release();}

        void release() {
        
                if( !_released) _lock.release();
                _released = 1;
        }

        void enter() {
        
                _lock.wait();
                _released = 0;
        }
};

#endif // _SYNCHRONIZED_H_

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