observer.h
1.51 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
/* GNU Mailutils -- a suite of utilities for electronic mail
Copyright (C) 1999, 2000, 2001 Free Software Foundation, Inc.
GNU Mailutils 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.
GNU Mailutils 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 GNU Mailutils; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#ifndef _MAILUTILS_SYS_OBSERVER_H
#define _MAILUTILS_SYS_OBSERVER_H
#ifdef DMALLOC
# include <dmalloc.h>
#endif
#include <mailutils/refcount.h>
#include <mailutils/observer.h>
#include <mailutils/list.h>
#ifdef __cplusplus
extern "C" {
#endif
struct _observer_vtable
{
int (*ref) __P ((observer_t));
void (*destroy) __P ((observer_t *));
int (*action) __P ((observer_t, struct event));
};
struct _observer
{
struct _observer_vtable *vtable;
};
struct _observable
{
mu_list_t list;
};
struct _dobserver
{
struct _observer base;
mu_refcount_t refcount;
void *arg;
int (*action) __P ((void *, struct event));
};
#ifdef __cplusplus
}
#endif
#endif /* _MAILUTILS_SYS_OBSERVER_H */