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// $Id$

#ifndef MMAP_H
#define MMAP_H

// The expected filename for ACE_Shared_Memory_MM.h
#include "ace/Shared_Memory_MM.h"

// Just enough for the alphabet...
#define SHMSZ 27

/*
  Here we use a real filename instead of an arbitrary number.  This
  actually will exist in the filesystem.  You can 'cat' it and
  everything!
*/
#define SHM_KEY "mmapfile"

/*
  The SV Shared Memory SharedData object returns.  It is identical to
  the one we used in that tutorial.  I didn't even change the name.
 */
class SharedData
{
public:
    SharedData(int _initialize = 1);
    
    void set(void);
    void show(void);
    int available(void);
    void available(int _available);
        
protected:
    char buf_[128];
    int available_;
};

#endif // MMAP_H