bus: Assign a serial number for messages from the driver
[platform/upstream/dbus.git] / dbus / dbus-watch.h
1 /* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
2 /* dbus-watch.h DBusWatch internal interfaces
3  *
4  * Copyright (C) 2002  Red Hat Inc.
5  *
6  * Licensed under the Academic Free License version 2.1
7  * 
8  * This program is free software; you can redistribute it and/or modify
9  * it under the terms of the GNU General Public License as published by
10  * the Free Software Foundation; either version 2 of the License, or
11  * (at your option) any later version.
12  *
13  * This program is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16  * GNU General Public License for more details.
17  * 
18  * You should have received a copy of the GNU General Public License
19  * along with this program; if not, write to the Free Software
20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
21  *
22  */
23 #ifndef DBUS_WATCH_H
24 #define DBUS_WATCH_H
25
26 #include <dbus/dbus-internals.h>
27 #include <dbus/dbus-connection.h>
28
29 DBUS_BEGIN_DECLS
30
31 /**
32  * @addtogroup DBusWatchInternals
33  * @{
34  */
35
36 /* Public methods on DBusWatch are in dbus-connection.h */
37
38 typedef struct DBusWatchList DBusWatchList;
39
40 #define _DBUS_WATCH_NVAL (1<<4)
41
42 /** function to run when the watch is handled */
43 typedef dbus_bool_t (* DBusWatchHandler) (DBusWatch    *watch,
44                                           unsigned int  flags,
45                                           void         *data);
46
47 DBUS_PRIVATE_EXPORT
48 DBusWatch* _dbus_watch_new                (DBusPollable      fd,
49                                            unsigned int      flags,
50                                            dbus_bool_t       enabled,
51                                            DBusWatchHandler  handler,
52                                            void             *data,
53                                            DBusFreeFunction  free_data_function);
54 DBUS_PRIVATE_EXPORT
55 DBusWatch* _dbus_watch_ref                (DBusWatch        *watch);
56 DBUS_PRIVATE_EXPORT
57 void       _dbus_watch_unref              (DBusWatch        *watch);
58 DBUS_PRIVATE_EXPORT
59 void       _dbus_watch_invalidate         (DBusWatch        *watch);
60 void       _dbus_watch_sanitize_condition (DBusWatch        *watch,
61                                            unsigned int     *condition);
62 void       _dbus_watch_set_handler        (DBusWatch        *watch,
63                                            DBusWatchHandler  handler,
64                                            void             *data,
65                                            DBusFreeFunction  free_data_function);
66
67
68 DBUS_PRIVATE_EXPORT
69 DBusWatchList* _dbus_watch_list_new           (void);
70 DBUS_PRIVATE_EXPORT
71 void           _dbus_watch_list_free          (DBusWatchList           *watch_list);
72 DBUS_PRIVATE_EXPORT
73 dbus_bool_t    _dbus_watch_list_set_functions (DBusWatchList           *watch_list,
74                                                DBusAddWatchFunction     add_function,
75                                                DBusRemoveWatchFunction  remove_function,
76                                                DBusWatchToggledFunction toggled_function,
77                                                void                    *data,
78                                                DBusFreeFunction         free_data_function);
79 DBUS_PRIVATE_EXPORT
80 dbus_bool_t    _dbus_watch_list_add_watch     (DBusWatchList           *watch_list,
81                                                DBusWatch               *watch);
82 DBUS_PRIVATE_EXPORT
83 void           _dbus_watch_list_remove_watch  (DBusWatchList           *watch_list,
84                                                DBusWatch               *watch);
85 void           _dbus_watch_list_toggle_watch  (DBusWatchList           *watch_list,
86                                                DBusWatch               *watch,
87                                                dbus_bool_t              enabled);
88 void           _dbus_watch_list_toggle_all_watches (DBusWatchList      *watch_list,
89                                                dbus_bool_t              enabled);
90 dbus_bool_t    _dbus_watch_get_enabled        (DBusWatch              *watch);
91
92 DBUS_PRIVATE_EXPORT
93 dbus_bool_t    _dbus_watch_get_oom_last_time  (DBusWatch               *watch);
94 DBUS_PRIVATE_EXPORT
95 void           _dbus_watch_set_oom_last_time  (DBusWatch               *watch,
96                                                dbus_bool_t              oom);
97
98 DBusSocket     _dbus_watch_get_socket         (DBusWatch               *watch);
99 DBUS_PRIVATE_EXPORT
100 DBusPollable   _dbus_watch_get_pollable       (DBusWatch               *watch);
101
102 /** @} */
103
104 DBUS_END_DECLS
105
106 #endif /* DBUS_WATCH_H */