gxThreadSafeObject.h

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/*  Copyright (C) 2004  Guido Simone
 *
 *  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
 */

#ifndef GXLIB_GXTHREADSAFEOBJECT_H
#define GXLIB_GXTHREADSAFEOBJECT_H

#include "../gx.h"

class gxThreadSafeObject
{
protected:
   void * event;
   void * mutex;
   friend class gxThreadSynchronizer;
public:
   gxThreadSafeObject();

   void notify();
   virtual ~gxThreadSafeObject();
};

class gxThreadSynchronizer
{
public:
   gxThreadSynchronizer( gxThreadSafeObject * objectToSync );

   virtual ~gxThreadSynchronizer( );

   void enter();

   void leave();

   void wait( long time );
private:
   void * mutex;
   void * event;
};

#define GX_SYNCHRONIZE_OBJECT(theObject) gxThreadSynchronizer gxsync(theObject)

#define GX_SYNCHRONIZE() GX_SYNCHRONIZE_OBJECT(this)


#define GX_NOTIFY() gxsync.notify();

#define GX_WAIT(mytime)  \
gxsync.wait(mytime);


#endif

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