devpoll.H

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#ifndef DEVPOLL
#define DEVPOLL

#include "std/support.H"

// DEVpoll defines an interface for pollable devices.
// 

class DEVpoll
{
 protected:
   static ARRAY<DEVpoll *> _pollable;

 public:
   virtual ~DEVpoll() {}
            DEVpoll() {}

   virtual void exec_poll() = 0;

   static void add_pollable( DEVpoll *dp ) { _pollable += dp; }
   static void rem_pollable( DEVpoll *dp ) { _pollable -= dp; }

   static ARRAY<DEVpoll *> &pollable() { return _pollable; }
};

#endif

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