observer0.h
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/* GNU mailutils - a suite of utilities for electronic mail
Copyright (C) 1999, 2000 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 _OBSERVER0_H
#define _OBSERVER0_H
#ifdef DMALLOC
# include <dmalloc.h>
#endif
#include <mailutils/observer.h>
#ifndef __P
#ifdef __STDC__
#define __P(args) args
#else
#define __P(args) ()
#endif
#endif /*__P */
#ifdef __cplusplus
extern "C" {
#endif
struct _observer
{
int flags;
void *owner;
int (*_action) __P ((observer_t, size_t));
int (*_destroy) __P ((observer_t));
};
struct _observable
{
void *owner;
list_t list;
};
struct _event
{
size_t type;
observer_t observer;
};
typedef struct _event *event_t;
#ifdef __cplusplus
}
#endif
#endif /* _OBSERVER0_H */