/* GNU mailutils - a suite of utilities for electronic mail
   Copyright (C) 1999, 2000, 2001 Free Software Foundation, Inc.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Library Public License as published by
   the Free Software Foundation; either version 2, 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 Library General Public License for more details.

   You should have received a copy of the GNU Library General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */

#ifndef _MAILUTILS_OBSERVABLE_H
#define _MAILUTILS_OBSERVABLE_H

#include <mailutils/mu_features.h>
#include <mailutils/types.h>
#include <mailutils/observer.h>

#ifdef __cplusplus
extern "C" {
#endif

extern int  observable_create     __P ((observable_t *));
extern void observable_destroy    __P ((observable_t *));

extern int  observable_attach     __P ((observable_t, int, observer_t));
extern int  observable_detach     __P ((observable_t, observer_t));
extern int  observable_notify_all __P ((observable_t, struct event));

#ifdef __cplusplus
}
#endif

#endif /* _MAILUTILS_OBSERVABLE_H */