dbus-1.0/dbus/dbus-connection.h

0001 /* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
0002 /* dbus-connection.h DBusConnection object
0003  *
0004  * Copyright (C) 2002, 2003  Red Hat Inc.
0005  *
0006  * SPDX-License-Identifier: AFL-2.1 OR GPL-2.0-or-later
0007  *
0008  * Licensed under the Academic Free License version 2.1
0009  *
0010  * This program is free software; you can redistribute it and/or modify
0011  * it under the terms of the GNU General Public License as published by
0012  * the Free Software Foundation; either version 2 of the License, or
0013  * (at your option) any later version.
0014  *
0015  * This program is distributed in the hope that it will be useful,
0016  * but WITHOUT ANY WARRANTY; without even the implied warranty of
0017  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
0018  * GNU General Public License for more details.
0019  *
0020  * You should have received a copy of the GNU General Public License
0021  * along with this program; if not, write to the Free Software
0022  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
0023  *
0024  */
0025 #if !defined (DBUS_INSIDE_DBUS_H) && !defined (DBUS_COMPILATION)
0026 #error "Only <dbus/dbus.h> can be included directly, this file may disappear or change contents."
0027 #endif
0028
0029 #ifndef DBUS_CONNECTION_H
0030 #define DBUS_CONNECTION_H
0031
0032 #include <dbus/dbus-errors.h>
0033 #include <dbus/dbus-macros.h>
0034 #include <dbus/dbus-memory.h>
0035 #include <dbus/dbus-message.h>
0036 #include <dbus/dbus-shared.h>
0037
0038 DBUS_BEGIN_DECLS
0039
0040 /**
0041  * @addtogroup DBusConnection
0042  * @{
0043  */
0044
0045 /* documented in dbus-watch.c */
0046 typedef struct DBusWatch DBusWatch;
0047 /* documented in dbus-timeout.c */
0048 typedef struct DBusTimeout DBusTimeout;
0049 /** Opaque type representing preallocated resources so a message can be sent without further memory allocation. */
0050 typedef struct DBusPreallocatedSend DBusPreallocatedSend;
0051 /** Opaque type representing a method call that has not yet received a reply. */
0052 typedef struct DBusPendingCall DBusPendingCall;
0053 /** Opaque type representing a connection to a remote application and associated incoming/outgoing message queues. */
0054 typedef struct DBusConnection DBusConnection;
0055 /** Set of functions that must be implemented to handle messages sent to a particular object path. */
0056 typedef struct DBusObjectPathVTable DBusObjectPathVTable;
0057
0058 /**
0059  * Indicates the status of a #DBusWatch.
0060  */
0061 typedef enum
0062 {
0063   DBUS_WATCH_READABLE = 1 << 0, /**< As in POLLIN */
0064   DBUS_WATCH_WRITABLE = 1 << 1, /**< As in POLLOUT */
0065   DBUS_WATCH_ERROR    = 1 << 2, /**< As in POLLERR (can't watch for
0066                                  *   this, but can be present in
0067                                  *   current state passed to
0068                                  *   dbus_watch_handle()).
0069                                  */
0070   DBUS_WATCH_HANGUP   = 1 << 3  /**< As in POLLHUP (can't watch for
0071                                  *   it, but can be present in current
0072                                  *   state passed to
0073                                  *   dbus_watch_handle()).
0074                                  */
0075   /* Internal to libdbus, there is also _DBUS_WATCH_NVAL in dbus-watch.h */
0076 } DBusWatchFlags;
0077
0078 /**
0079  * Indicates the status of incoming data on a #DBusConnection. This determines whether
0080  * dbus_connection_dispatch() needs to be called.
0081  */
0082 typedef enum
0083 {
0084   DBUS_DISPATCH_DATA_REMAINS,  /**< There is more data to potentially convert to messages. */
0085   DBUS_DISPATCH_COMPLETE,      /**< All currently available data has been processed. */
0086   DBUS_DISPATCH_NEED_MEMORY    /**< More memory is needed to continue. */
0087 } DBusDispatchStatus;
0088
0089 /** Called when libdbus needs a new watch to be monitored by the main
0090  * loop. Returns #FALSE if it lacks enough memory to add the
0091  * watch. Set by dbus_connection_set_watch_functions() or
0092  * dbus_server_set_watch_functions().
0093  */
0094 typedef dbus_bool_t (* DBusAddWatchFunction)       (DBusWatch      *watch,
0095                                                     void           *data);
0096 /** Called when dbus_watch_get_enabled() may return a different value
0097  *  than it did before.  Set by dbus_connection_set_watch_functions()
0098  *  or dbus_server_set_watch_functions().
0099  */
0100 typedef void        (* DBusWatchToggledFunction)   (DBusWatch      *watch,
0101                                                     void           *data);
0102 /** Called when libdbus no longer needs a watch to be monitored by the
0103  * main loop. Set by dbus_connection_set_watch_functions() or
0104  * dbus_server_set_watch_functions().
0105  */
0106 typedef void        (* DBusRemoveWatchFunction)    (DBusWatch      *watch,
0107                                                     void           *data);
0108 /** Called when libdbus needs a new timeout to be monitored by the main
0109  * loop. Returns #FALSE if it lacks enough memory to add the
0110  * watch. Set by dbus_connection_set_timeout_functions() or
0111  * dbus_server_set_timeout_functions().
0112  */
0113 typedef dbus_bool_t (* DBusAddTimeoutFunction)     (DBusTimeout    *timeout,
0114                                                     void           *data);
0115 /** Called when dbus_timeout_get_enabled() may return a different
0116  * value than it did before.
0117  * Set by dbus_connection_set_timeout_functions() or
0118  * dbus_server_set_timeout_functions().
0119  */
0120 typedef void        (* DBusTimeoutToggledFunction) (DBusTimeout    *timeout,
0121                                                     void           *data);
0122 /** Called when libdbus no longer needs a timeout to be monitored by the
0123  * main loop. Set by dbus_connection_set_timeout_functions() or
0124  * dbus_server_set_timeout_functions().
0125  */
0126 typedef void        (* DBusRemoveTimeoutFunction)  (DBusTimeout    *timeout,
0127                                                     void           *data);
0128 /** Called when the return value of dbus_connection_get_dispatch_status()
0129  * may have changed. Set with dbus_connection_set_dispatch_status_function().
0130  */
0131 typedef void        (* DBusDispatchStatusFunction) (DBusConnection *connection,
0132                                                     DBusDispatchStatus new_status,
0133                                                     void           *data);
0134 /**
0135  * Called when the main loop's thread should be notified that there's now work
0136  * to do. Set with dbus_connection_set_wakeup_main_function().
0137  */
0138 typedef void        (* DBusWakeupMainFunction)     (void           *data);
0139
0140 /**
0141  * Called during authentication to check whether the given UNIX user
0142  * ID is allowed to connect, if the client tried to auth as a UNIX
0143  * user ID. Normally on Windows this would never happen. Set with
0144  * dbus_connection_set_unix_user_function().
0145  */
0146 typedef dbus_bool_t (* DBusAllowUnixUserFunction)  (DBusConnection *connection,
0147                                                     unsigned long   uid,
0148                                                     void           *data);
0149
0150 /**
0151  * Called during authentication to check whether the given Windows user
0152  * ID is allowed to connect, if the client tried to auth as a Windows
0153  * user ID. Normally on UNIX this would never happen. Set with
0154  * dbus_connection_set_windows_user_function().
0155  */
0156 typedef dbus_bool_t (* DBusAllowWindowsUserFunction)  (DBusConnection *connection,
0157                                                        const char     *user_sid,
0158                                                        void           *data);
0159
0160
0161 /**
0162  * Called when a pending call now has a reply available. Set with
0163  * dbus_pending_call_set_notify().
0164  */
0165 typedef void (* DBusPendingCallNotifyFunction) (DBusPendingCall *pending,
0166                                                 void            *user_data);
0167
0168 /**
0169  * Called when a message needs to be handled. The result indicates whether or
0170  * not more handlers should be run. Set with dbus_connection_add_filter().
0171  */
0172 typedef DBusHandlerResult (* DBusHandleMessageFunction) (DBusConnection     *connection,
0173                                                          DBusMessage        *message,
0174                                                          void               *user_data);
0175 DBUS_EXPORT
0176 DBusConnection*    dbus_connection_open                         (const char                 *address,
0177                                                                  DBusError                  *error);
0178 DBUS_EXPORT
0179 DBusConnection*    dbus_connection_open_private                 (const char                 *address,
0180                                                                  DBusError                  *error);
0181 DBUS_EXPORT
0182 DBusConnection*    dbus_connection_ref                          (DBusConnection             *connection);
0183 DBUS_EXPORT
0184 void               dbus_connection_unref                        (DBusConnection             *connection);
0185 DBUS_EXPORT
0186 void               dbus_connection_close                        (DBusConnection             *connection);
0187 DBUS_EXPORT
0188 dbus_bool_t        dbus_connection_get_is_connected             (DBusConnection             *connection);
0189 DBUS_EXPORT
0190 dbus_bool_t        dbus_connection_get_is_authenticated         (DBusConnection             *connection);
0191 DBUS_EXPORT
0192 dbus_bool_t        dbus_connection_get_is_anonymous             (DBusConnection             *connection);
0193 DBUS_EXPORT
0194 char*              dbus_connection_get_server_id                (DBusConnection             *connection);
0195 DBUS_EXPORT
0196 dbus_bool_t        dbus_connection_can_send_type                (DBusConnection             *connection,
0197                                                                  int                         type);
0198
0199 DBUS_EXPORT
0200 void               dbus_connection_set_exit_on_disconnect       (DBusConnection             *connection,
0201                                                                  dbus_bool_t                 exit_on_disconnect);
0202 DBUS_EXPORT
0203 void               dbus_connection_flush                        (DBusConnection             *connection);
0204 DBUS_EXPORT
0205 dbus_bool_t        dbus_connection_read_write_dispatch          (DBusConnection             *connection,
0206                                                                  int                         timeout_milliseconds);
0207 DBUS_EXPORT
0208 dbus_bool_t        dbus_connection_read_write                   (DBusConnection             *connection,
0209                                                                  int                         timeout_milliseconds);
0210 DBUS_EXPORT
0211 DBusMessage*       dbus_connection_borrow_message               (DBusConnection             *connection);
0212 DBUS_EXPORT
0213 void               dbus_connection_return_message               (DBusConnection             *connection,
0214                                                                  DBusMessage                *message);
0215 DBUS_EXPORT
0216 void               dbus_connection_steal_borrowed_message       (DBusConnection             *connection,
0217                                                                  DBusMessage                *message);
0218 DBUS_EXPORT
0219 DBusMessage*       dbus_connection_pop_message                  (DBusConnection             *connection);
0220 DBUS_EXPORT
0221 DBusDispatchStatus dbus_connection_get_dispatch_status          (DBusConnection             *connection);
0222 DBUS_EXPORT
0223 DBusDispatchStatus dbus_connection_dispatch                     (DBusConnection             *connection);
0224 DBUS_EXPORT
0225 dbus_bool_t        dbus_connection_has_messages_to_send         (DBusConnection *connection);
0226 DBUS_EXPORT
0227 dbus_bool_t        dbus_connection_send                         (DBusConnection             *connection,
0228                                                                  DBusMessage                *message,
0229                                                                  dbus_uint32_t              *client_serial);
0230 DBUS_EXPORT
0231 dbus_bool_t        dbus_connection_send_with_reply              (DBusConnection             *connection,
0232                                                                  DBusMessage                *message,
0233                                                                  DBusPendingCall           **pending_return,
0234                                                                  int                         timeout_milliseconds);
0235 DBUS_EXPORT
0236 DBusMessage *      dbus_connection_send_with_reply_and_block    (DBusConnection             *connection,
0237                                                                  DBusMessage                *message,
0238                                                                  int                         timeout_milliseconds,
0239                                                                  DBusError                  *error);
0240 DBUS_EXPORT
0241 dbus_bool_t        dbus_connection_set_watch_functions          (DBusConnection             *connection,
0242                                                                  DBusAddWatchFunction        add_function,
0243                                                                  DBusRemoveWatchFunction     remove_function,
0244                                                                  DBusWatchToggledFunction    toggled_function,
0245                                                                  void                       *data,
0246                                                                  DBusFreeFunction            free_data_function);
0247 DBUS_EXPORT
0248 dbus_bool_t        dbus_connection_set_timeout_functions        (DBusConnection             *connection,
0249                                                                  DBusAddTimeoutFunction      add_function,
0250                                                                  DBusRemoveTimeoutFunction   remove_function,
0251                                                                  DBusTimeoutToggledFunction  toggled_function,
0252                                                                  void                       *data,
0253                                                                  DBusFreeFunction            free_data_function);
0254 DBUS_EXPORT
0255 void               dbus_connection_set_wakeup_main_function     (DBusConnection             *connection,
0256                                                                  DBusWakeupMainFunction      wakeup_main_function,
0257                                                                  void                       *data,
0258                                                                  DBusFreeFunction            free_data_function);
0259 DBUS_EXPORT
0260 void               dbus_connection_set_dispatch_status_function (DBusConnection             *connection,
0261                                                                  DBusDispatchStatusFunction  function,
0262                                                                  void                       *data,
0263                                                                  DBusFreeFunction            free_data_function);
0264 DBUS_EXPORT
0265 dbus_bool_t        dbus_connection_get_unix_user                (DBusConnection             *connection,
0266                                                                  unsigned long              *uid);
0267 DBUS_EXPORT
0268 dbus_bool_t        dbus_connection_get_unix_process_id          (DBusConnection             *connection,
0269                                                                  unsigned long              *pid);
0270 DBUS_EXPORT
0271 dbus_bool_t        dbus_connection_get_adt_audit_session_data   (DBusConnection             *connection,
0272                                                                  void                      **data,
0273                                                                  dbus_int32_t               *data_size);
0274 DBUS_EXPORT
0275 void               dbus_connection_set_unix_user_function       (DBusConnection             *connection,
0276                                                                  DBusAllowUnixUserFunction   function,
0277                                                                  void                       *data,
0278                                                                  DBusFreeFunction            free_data_function);
0279 DBUS_EXPORT
0280 dbus_bool_t        dbus_connection_get_windows_user             (DBusConnection             *connection,
0281                                                                  char                      **windows_sid_p);
0282 DBUS_EXPORT
0283 void               dbus_connection_set_windows_user_function    (DBusConnection             *connection,
0284                                                                  DBusAllowWindowsUserFunction function,
0285                                                                  void                       *data,
0286                                                                  DBusFreeFunction            free_data_function);
0287 DBUS_EXPORT
0288 void               dbus_connection_set_allow_anonymous          (DBusConnection             *connection,
0289                                                                  dbus_bool_t                 value);
0290 DBUS_EXPORT
0291 void               dbus_connection_set_builtin_filters_enabled  (DBusConnection             *connection,
0292                                                                  dbus_bool_t                 value);
0293 DBUS_EXPORT
0294 void               dbus_connection_set_route_peer_messages      (DBusConnection             *connection,
0295                                                                  dbus_bool_t                 value);
0296
0297
0298 /* Filters */
0299
0300 DBUS_EXPORT
0301 dbus_bool_t dbus_connection_add_filter    (DBusConnection            *connection,
0302                                            DBusHandleMessageFunction  function,
0303                                            void                      *user_data,
0304                                            DBusFreeFunction           free_data_function);
0305 DBUS_EXPORT
0306 void        dbus_connection_remove_filter (DBusConnection            *connection,
0307                                            DBusHandleMessageFunction  function,
0308                                            void                      *user_data);
0309
0310
0311 /* Other */
0312 DBUS_EXPORT
0313 dbus_bool_t dbus_connection_allocate_data_slot (dbus_int32_t     *slot_p);
0314 DBUS_EXPORT
0315 void        dbus_connection_free_data_slot     (dbus_int32_t     *slot_p);
0316 DBUS_EXPORT
0317 dbus_bool_t dbus_connection_set_data           (DBusConnection   *connection,
0318                                                 dbus_int32_t      slot,
0319                                                 void             *data,
0320                                                 DBusFreeFunction  free_data_func);
0321 DBUS_EXPORT
0322 void*       dbus_connection_get_data           (DBusConnection   *connection,
0323                                                 dbus_int32_t      slot);
0324
0325 DBUS_EXPORT
0326 void        dbus_connection_set_change_sigpipe (dbus_bool_t       will_modify_sigpipe);
0327
0328 DBUS_EXPORT
0329 void dbus_connection_set_max_message_size  (DBusConnection *connection,
0330                                             long            size);
0331 DBUS_EXPORT
0332 long dbus_connection_get_max_message_size  (DBusConnection *connection);
0333 DBUS_EXPORT
0334 void dbus_connection_set_max_received_size (DBusConnection *connection,
0335                                             long            size);
0336 DBUS_EXPORT
0337 long dbus_connection_get_max_received_size (DBusConnection *connection);
0338
0339 DBUS_EXPORT
0340 void dbus_connection_set_max_message_unix_fds (DBusConnection *connection,
0341                                                long            n);
0342 DBUS_EXPORT
0343 long dbus_connection_get_max_message_unix_fds (DBusConnection *connection);
0344 DBUS_EXPORT
0345 void dbus_connection_set_max_received_unix_fds(DBusConnection *connection,
0346                                                long            n);
0347 DBUS_EXPORT
0348 long dbus_connection_get_max_received_unix_fds(DBusConnection *connection);
0349
0350 DBUS_EXPORT
0351 long dbus_connection_get_outgoing_size     (DBusConnection *connection);
0352 DBUS_EXPORT
0353 long dbus_connection_get_outgoing_unix_fds (DBusConnection *connection);
0354
0355 DBUS_EXPORT
0356 DBusPreallocatedSend* dbus_connection_preallocate_send       (DBusConnection       *connection);
0357 DBUS_EXPORT
0358 void                  dbus_connection_free_preallocated_send (DBusConnection       *connection,
0359                                                               DBusPreallocatedSend *preallocated);
0360 DBUS_EXPORT
0361 void                  dbus_connection_send_preallocated      (DBusConnection       *connection,
0362                                                               DBusPreallocatedSend *preallocated,
0363                                                               DBusMessage          *message,
0364                                                               dbus_uint32_t        *client_serial);
0365
0366
0367 /* Object tree functionality */
0368
0369 /**
0370  * Called when a #DBusObjectPathVTable is unregistered (or its connection is freed).
0371  * Found in #DBusObjectPathVTable.
0372  */
0373 typedef void              (* DBusObjectPathUnregisterFunction) (DBusConnection  *connection,
0374                                                                 void            *user_data);
0375 /**
0376  * Called when a message is sent to a registered object path. Found in
0377  * #DBusObjectPathVTable which is registered with dbus_connection_register_object_path()
0378  * or dbus_connection_register_fallback().
0379  */
0380 typedef DBusHandlerResult (* DBusObjectPathMessageFunction)    (DBusConnection  *connection,
0381                                                                 DBusMessage     *message,
0382                                                                 void            *user_data);
0383
0384 /**
0385  * Virtual table that must be implemented to handle a portion of the
0386  * object path hierarchy. Attach the vtable to a particular path using
0387  * dbus_connection_register_object_path() or
0388  * dbus_connection_register_fallback().
0389  */
0390 struct DBusObjectPathVTable
0391 {
0392   DBusObjectPathUnregisterFunction   unregister_function; /**< Function to unregister this handler */
0393   DBusObjectPathMessageFunction      message_function; /**< Function to handle messages */
0394
0395   void (* dbus_internal_pad1) (void *); /**< Reserved for future expansion */
0396   void (* dbus_internal_pad2) (void *); /**< Reserved for future expansion */
0397   void (* dbus_internal_pad3) (void *); /**< Reserved for future expansion */
0398   void (* dbus_internal_pad4) (void *); /**< Reserved for future expansion */
0399 };
0400
0401 DBUS_EXPORT
0402 dbus_bool_t dbus_connection_try_register_object_path (DBusConnection              *connection,
0403                                                       const char                  *path,
0404                                                       const DBusObjectPathVTable  *vtable,
0405                                                       void                        *user_data,
0406                                                       DBusError                   *error);
0407
0408 DBUS_EXPORT
0409 dbus_bool_t dbus_connection_register_object_path   (DBusConnection              *connection,
0410                                                     const char                  *path,
0411                                                     const DBusObjectPathVTable  *vtable,
0412                                                     void                        *user_data);
0413
0414 DBUS_EXPORT
0415 dbus_bool_t dbus_connection_try_register_fallback (DBusConnection              *connection,
0416                                                    const char                  *path,
0417                                                    const DBusObjectPathVTable  *vtable,
0418                                                    void                        *user_data,
0419                                                    DBusError                   *error);
0420
0421 DBUS_EXPORT
0422 dbus_bool_t dbus_connection_register_fallback      (DBusConnection              *connection,
0423                                                     const char                  *path,
0424                                                     const DBusObjectPathVTable  *vtable,
0425                                                     void                        *user_data);
0426 DBUS_EXPORT
0427 dbus_bool_t dbus_connection_unregister_object_path (DBusConnection              *connection,
0428                                                     const char                  *path);
0429
0430 DBUS_EXPORT
0431 dbus_bool_t dbus_connection_get_object_path_data   (DBusConnection              *connection,
0432                                                     const char                  *path,
0433                                                     void                       **data_p);
0434
0435 DBUS_EXPORT
0436 dbus_bool_t dbus_connection_list_registered        (DBusConnection              *connection,
0437                                                     const char                  *parent_path,
0438                                                     char                      ***child_entries);
0439
0440 DBUS_EXPORT
0441 dbus_bool_t dbus_connection_get_unix_fd            (DBusConnection              *connection,
0442                                                     int                         *fd);
0443 DBUS_EXPORT
0444 dbus_bool_t dbus_connection_get_socket             (DBusConnection              *connection,
0445                                                     int                         *fd);
0446
0447 /**
0448  * Clear a variable or struct member that contains a #DBusConnection.
0449  * If it does not contain #NULL, the connection that was previously
0450  * there is unreferenced with dbus_connection_unref().
0451  *
0452  * For example, this function and the similar functions for
0453  * other reference-counted types can be used in code like this:
0454  *
0455  * @code
0456  * DBusConnection *conn = NULL;
0457  * struct { ...; DBusMessage *m; ... } *larger_structure = ...;
0458  *
0459  * ... code that might set conn or m to be non-NULL ...
0460  *
0461  * dbus_clear_connection (&conn);
0462  * dbus_clear_message (&larger_structure->m);
0463  * @endcode
0464  *
0465  * @param pointer_to_connection A pointer to a variable or struct member.
0466  * pointer_to_connection must not be #NULL, but *pointer_to_connection
0467  * may be #NULL.
0468  */
0469 static inline void
0470 dbus_clear_connection (DBusConnection **pointer_to_connection)
0471 {
0472   _dbus_clear_pointer_impl (DBusConnection, pointer_to_connection,
0473                             dbus_connection_unref);
0474 }
0475
0476 /** @} */
0477
0478
0479 /**
0480  * @addtogroup DBusWatch
0481  * @{
0482  */
0483
0484 #ifndef DBUS_DISABLE_DEPRECATED
0485 DBUS_EXPORT
0486 DBUS_DEPRECATED int dbus_watch_get_fd      (DBusWatch        *watch);
0487 #endif
0488
0489 DBUS_EXPORT
0490 int          dbus_watch_get_unix_fd (DBusWatch        *watch);
0491 DBUS_EXPORT
0492 int          dbus_watch_get_socket  (DBusWatch        *watch);
0493 DBUS_EXPORT
0494 unsigned int dbus_watch_get_flags   (DBusWatch        *watch);
0495 DBUS_EXPORT
0496 void*        dbus_watch_get_data    (DBusWatch        *watch);
0497 DBUS_EXPORT
0498 void         dbus_watch_set_data    (DBusWatch        *watch,
0499                                      void             *data,
0500                                      DBusFreeFunction  free_data_function);
0501 DBUS_EXPORT
0502 dbus_bool_t  dbus_watch_handle      (DBusWatch        *watch,
0503                                      unsigned int      flags);
0504 DBUS_EXPORT
0505 dbus_bool_t  dbus_watch_get_enabled (DBusWatch        *watch);
0506
0507 /** @} */
0508
0509 /**
0510  * @addtogroup DBusTimeout
0511  * @{
0512  */
0513
0514 DBUS_EXPORT
0515 int         dbus_timeout_get_interval (DBusTimeout      *timeout);
0516 DBUS_EXPORT
0517 void*       dbus_timeout_get_data     (DBusTimeout      *timeout);
0518 DBUS_EXPORT
0519 void        dbus_timeout_set_data     (DBusTimeout      *timeout,
0520                                        void             *data,
0521                                        DBusFreeFunction  free_data_function);
0522 DBUS_EXPORT
0523 dbus_bool_t dbus_timeout_handle       (DBusTimeout      *timeout);
0524 DBUS_EXPORT
0525 dbus_bool_t dbus_timeout_get_enabled  (DBusTimeout      *timeout);
0526
0527 /** @} */
0528
0529 DBUS_END_DECLS
0530
0531 #endif /* DBUS_CONNECTION_H */