1  /* GDBus - GLib D-Bus Library
       2   *
       3   * Copyright (C) 2008-2010 Red Hat, Inc.
       4   *
       5   * SPDX-License-Identifier: LGPL-2.1-or-later
       6   *
       7   * This library is free software; you can redistribute it and/or
       8   * modify it under the terms of the GNU Lesser General Public
       9   * License as published by the Free Software Foundation; either
      10   * version 2.1 of the License, or (at your option) any later version.
      11   *
      12   * This library is distributed in the hope that it will be useful,
      13   * but WITHOUT ANY WARRANTY; without even the implied warranty of
      14   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      15   * Lesser General Public License for more details.
      16   *
      17   * You should have received a copy of the GNU Lesser General
      18   * Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
      19   *
      20   * Author: David Zeuthen <davidz@redhat.com>
      21   */
      22  
      23  #ifndef __G_DBUS_NAME_WATCHING_H__
      24  #define __G_DBUS_NAME_WATCHING_H__
      25  
      26  #if !defined (__GIO_GIO_H_INSIDE__) && !defined (GIO_COMPILATION)
      27  #error "Only <gio/gio.h> can be included directly."
      28  #endif
      29  
      30  #include <gio/giotypes.h>
      31  
      32  G_BEGIN_DECLS
      33  
      34  /**
      35   * GBusNameAppearedCallback:
      36   * @connection: The #GDBusConnection the name is being watched on.
      37   * @name: The name being watched.
      38   * @name_owner: Unique name of the owner of the name being watched.
      39   * @user_data: User data passed to g_bus_watch_name().
      40   *
      41   * Invoked when the name being watched is known to have to have an owner.
      42   *
      43   * Since: 2.26
      44   */
      45  typedef void (*GBusNameAppearedCallback) (GDBusConnection *connection,
      46                                            const gchar     *name,
      47                                            const gchar     *name_owner,
      48                                            gpointer         user_data);
      49  
      50  /**
      51   * GBusNameVanishedCallback:
      52   * @connection: The #GDBusConnection the name is being watched on, or
      53   *     %NULL.
      54   * @name: The name being watched.
      55   * @user_data: User data passed to g_bus_watch_name().
      56   *
      57   * Invoked when the name being watched is known not to have to have an owner.
      58   *
      59   * This is also invoked when the #GDBusConnection on which the watch was
      60   * established has been closed.  In that case, @connection will be
      61   * %NULL.
      62   *
      63   * Since: 2.26
      64   */
      65  typedef void (*GBusNameVanishedCallback) (GDBusConnection *connection,
      66                                            const gchar     *name,
      67                                            gpointer         user_data);
      68  
      69  
      70  GIO_AVAILABLE_IN_ALL
      71  guint g_bus_watch_name               (GBusType                  bus_type,
      72                                        const gchar              *name,
      73                                        GBusNameWatcherFlags      flags,
      74                                        GBusNameAppearedCallback  name_appeared_handler,
      75                                        GBusNameVanishedCallback  name_vanished_handler,
      76                                        gpointer                  user_data,
      77                                        GDestroyNotify            user_data_free_func);
      78  GIO_AVAILABLE_IN_ALL
      79  guint g_bus_watch_name_on_connection (GDBusConnection          *connection,
      80                                        const gchar              *name,
      81                                        GBusNameWatcherFlags      flags,
      82                                        GBusNameAppearedCallback  name_appeared_handler,
      83                                        GBusNameVanishedCallback  name_vanished_handler,
      84                                        gpointer                  user_data,
      85                                        GDestroyNotify            user_data_free_func);
      86  GIO_AVAILABLE_IN_ALL
      87  guint g_bus_watch_name_with_closures (GBusType                  bus_type,
      88                                        const gchar              *name,
      89                                        GBusNameWatcherFlags      flags,
      90                                        GClosure                 *name_appeared_closure,
      91                                        GClosure                 *name_vanished_closure);
      92  GIO_AVAILABLE_IN_ALL
      93  guint g_bus_watch_name_on_connection_with_closures (
      94                                        GDBusConnection          *connection,
      95                                        const gchar              *name,
      96                                        GBusNameWatcherFlags      flags,
      97                                        GClosure                 *name_appeared_closure,
      98                                        GClosure                 *name_vanished_closure);
      99  GIO_AVAILABLE_IN_ALL
     100  void  g_bus_unwatch_name             (guint                     watcher_id);
     101  
     102  G_END_DECLS
     103  
     104  #endif /* __G_DBUS_NAME_WATCHING_H__ */