D-Bus 1.16.0

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 * SPDX-License-Identifier: AFL-2.1 OR GPL-2.0-or-later
7 *
8 * Licensed under the Academic Free License version 2.1
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
23 *
24 */
25#ifndef DBUS_WATCH_H
26#define DBUS_WATCH_H
27
28#include <dbus/dbus-internals.h>
29#include <dbus/dbus-connection.h>
30
31 DBUS_BEGIN_DECLS
32
38/* Public methods on DBusWatch are in dbus-connection.h */
39
40 typedef struct DBusWatchList DBusWatchList;
41
42#define _DBUS_WATCH_NVAL (1<<4)
43
45 typedef dbus_bool_t (* DBusWatchHandler) (DBusWatch *watch,
46 unsigned int flags,
47 void *data);
48
49DBUS_PRIVATE_EXPORT
50 DBusWatch* _dbus_watch_new (DBusPollable fd,
51 unsigned int flags,
52 dbus_bool_t enabled,
53 DBusWatchHandler handler,
54 void *data,
55 DBusFreeFunction free_data_function);
56DBUS_PRIVATE_EXPORT
57 DBusWatch* _dbus_watch_ref (DBusWatch *watch);
58DBUS_PRIVATE_EXPORT
59 void _dbus_watch_unref (DBusWatch *watch);
60DBUS_PRIVATE_EXPORT
61 void _dbus_watch_invalidate (DBusWatch *watch);
62 void _dbus_watch_sanitize_condition (DBusWatch *watch,
63 unsigned int *condition);
64 void _dbus_watch_set_handler (DBusWatch *watch,
65 DBusWatchHandler handler,
66 void *data,
67 DBusFreeFunction free_data_function);
68
69
70DBUS_PRIVATE_EXPORT
71 DBusWatchList* _dbus_watch_list_new (void);
72DBUS_PRIVATE_EXPORT
73 void _dbus_watch_list_free (DBusWatchList *watch_list);
74DBUS_PRIVATE_EXPORT
75 dbus_bool_t _dbus_watch_list_set_functions (DBusWatchList *watch_list,
76 DBusAddWatchFunction add_function,
77 DBusRemoveWatchFunction remove_function,
78 DBusWatchToggledFunction toggled_function,
79 void *data,
80 DBusFreeFunction free_data_function);
81DBUS_PRIVATE_EXPORT
82 dbus_bool_t _dbus_watch_list_add_watch (DBusWatchList *watch_list,
83 DBusWatch *watch);
84DBUS_PRIVATE_EXPORT
85 void _dbus_watch_list_remove_watch (DBusWatchList *watch_list,
86 DBusWatch *watch);
87 void _dbus_watch_list_toggle_watch (DBusWatchList *watch_list,
88 DBusWatch *watch,
89 dbus_bool_t enabled);
90 void _dbus_watch_list_toggle_all_watches (DBusWatchList *watch_list,
91 dbus_bool_t enabled);
92 dbus_bool_t _dbus_watch_get_enabled (DBusWatch *watch);
93
94DBUS_PRIVATE_EXPORT
95 dbus_bool_t _dbus_watch_get_oom_last_time (DBusWatch *watch);
96DBUS_PRIVATE_EXPORT
97 void _dbus_watch_set_oom_last_time (DBusWatch *watch,
98 dbus_bool_t oom);
99
100 DBusSocket _dbus_watch_get_socket (DBusWatch *watch);
101DBUS_PRIVATE_EXPORT
102DBusPollable _dbus_watch_get_pollable (DBusWatch *watch);
103
104 static inline void
105_dbus_clear_watch (DBusWatch **pointer_to_watch)
106{
107 _dbus_clear_pointer_impl (DBusWatch, pointer_to_watch,
108 _dbus_watch_unref);
109}
110
113 DBUS_END_DECLS
114
115#endif /* DBUS_WATCH_H */
DBusWatchToggledFunction
void(* DBusWatchToggledFunction)(DBusWatch *watch, void *data)
Called when dbus_watch_get_enabled() may return a different value than it did before.
Definition dbus-connection.h:100
DBusAddWatchFunction
dbus_bool_t(* DBusAddWatchFunction)(DBusWatch *watch, void *data)
Called when libdbus needs a new watch to be monitored by the main loop.
Definition dbus-connection.h:94
DBusRemoveWatchFunction
void(* DBusRemoveWatchFunction)(DBusWatch *watch, void *data)
Called when libdbus no longer needs a watch to be monitored by the main loop.
Definition dbus-connection.h:106
DBUS_BEGIN_DECLS
#define DBUS_BEGIN_DECLS
Macro used prior to declaring functions in the D-Bus header files.
Definition dbus-macros.h:36
DBUS_END_DECLS
#define DBUS_END_DECLS
Macro used after declaring functions in the D-Bus header files.
Definition dbus-macros.h:37
DBusFreeFunction
void(* DBusFreeFunction)(void *memory)
The type of a function which frees a block of memory.
Definition dbus-memory.h:65
dbus_bool_t
dbus_uint32_t dbus_bool_t
A boolean, valid values are TRUE and FALSE.
Definition dbus-types.h:37
_dbus_watch_list_add_watch
dbus_bool_t _dbus_watch_list_add_watch(DBusWatchList *watch_list, DBusWatch *watch)
Adds a new watch to the watch list, invoking the application DBusAddWatchFunction if appropriate.
Definition dbus-watch.c:383
_dbus_watch_list_toggle_watch
void _dbus_watch_list_toggle_watch(DBusWatchList *watch_list, DBusWatch *watch, dbus_bool_t enabled)
Sets a watch to the given enabled state, invoking the application's DBusWatchToggledFunction if appro...
Definition dbus-watch.c:443
_dbus_watch_list_new
DBusWatchList * _dbus_watch_list_new(void)
Creates a new watch list.
Definition dbus-watch.c:234
_dbus_watch_list_free
void _dbus_watch_list_free(DBusWatchList *watch_list)
Frees a DBusWatchList.
Definition dbus-watch.c:251
_dbus_watch_list_set_functions
dbus_bool_t _dbus_watch_list_set_functions(DBusWatchList *watch_list, DBusAddWatchFunction add_function, DBusRemoveWatchFunction remove_function, DBusWatchToggledFunction toggled_function, void *data, DBusFreeFunction free_data_function)
Sets the watch functions.
Definition dbus-watch.c:297
_dbus_watch_set_handler
void _dbus_watch_set_handler(DBusWatch *watch, DBusWatchHandler handler, void *data, DBusFreeFunction free_data_function)
Sets the handler for the watch.
Definition dbus-watch.c:500
_dbus_watch_list_toggle_all_watches
void _dbus_watch_list_toggle_all_watches(DBusWatchList *watch_list, dbus_bool_t enabled)
Sets all watches to the given enabled state, invoking the application's DBusWatchToggledFunction if a...
Definition dbus-watch.c:474
_dbus_watch_sanitize_condition
void _dbus_watch_sanitize_condition(DBusWatch *watch, unsigned int *condition)
Sanitizes the given condition so that it only contains flags that the DBusWatch requested.
Definition dbus-watch.c:187
_dbus_watch_new
DBusWatch * _dbus_watch_new(DBusPollable fd, unsigned int flags, dbus_bool_t enabled, DBusWatchHandler handler, void *data, DBusFreeFunction free_data_function)
Creates a new DBusWatch.
Definition dbus-watch.c:90
DBusWatchHandler
dbus_bool_t(* DBusWatchHandler)(DBusWatch *watch, unsigned int flags, void *data)
function to run when the watch is handled
Definition dbus-watch.h:45
_dbus_watch_ref
DBusWatch * _dbus_watch_ref(DBusWatch *watch)
Increments the reference count of a DBusWatch object.
Definition dbus-watch.c:126
_dbus_watch_unref
void _dbus_watch_unref(DBusWatch *watch)
Decrements the reference count of a DBusWatch object and finalizes the object if the count reaches ze...
Definition dbus-watch.c:140
_dbus_watch_list_remove_watch
void _dbus_watch_list_remove_watch(DBusWatchList *watch_list, DBusWatch *watch)
Removes a watch from the watch list, invoking the application's DBusRemoveWatchFunction if appropriat...
Definition dbus-watch.c:416
_dbus_watch_invalidate
void _dbus_watch_invalidate(DBusWatch *watch)
Clears the file descriptor from a now-invalid watch object so that no one tries to use it.
Definition dbus-watch.c:171
DBusSocket
Socket interface.
Definition dbus-sysdeps.h:185
DBusWatchList
DBusWatchList implementation details.
Definition dbus-watch.c:217
DBusWatch
Implementation of DBusWatch.
Definition dbus-watch.c:43