1  /* GIO - GLib Input, Output and Streaming Library
       2   *
       3   * Copyright (C) 2006-2007 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: Alexander Larsson <alexl@redhat.com>
      21   */
      22  
      23  #ifndef __G_ASYNC_RESULT_H__
      24  #define __G_ASYNC_RESULT_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  #define G_TYPE_ASYNC_RESULT            (g_async_result_get_type ())
      35  #define G_ASYNC_RESULT(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), G_TYPE_ASYNC_RESULT, GAsyncResult))
      36  #define G_IS_ASYNC_RESULT(obj)	       (G_TYPE_CHECK_INSTANCE_TYPE ((obj), G_TYPE_ASYNC_RESULT))
      37  #define G_ASYNC_RESULT_GET_IFACE(obj)  (G_TYPE_INSTANCE_GET_INTERFACE ((obj), G_TYPE_ASYNC_RESULT, GAsyncResultIface))
      38  
      39  typedef struct _GAsyncResultIface    GAsyncResultIface;
      40  
      41  
      42  /**
      43   * GAsyncResultIface:
      44   * @g_iface: The parent interface.
      45   * @get_user_data: Gets the user data passed to the callback.
      46   * @get_source_object: Gets the source object that issued the asynchronous operation.
      47   * @is_tagged: Checks if a result is tagged with a particular source.
      48   *
      49   * Interface definition for #GAsyncResult.
      50   **/
      51  struct _GAsyncResultIface
      52  {
      53    GTypeInterface g_iface;
      54  
      55    /* Virtual Table */
      56  
      57    gpointer  (* get_user_data)     (GAsyncResult *res);
      58    GObject * (* get_source_object) (GAsyncResult *res);
      59  
      60    gboolean  (* is_tagged)         (GAsyncResult *res,
      61  				   gpointer      source_tag);
      62  };
      63  
      64  GIO_AVAILABLE_IN_ALL
      65  GType    g_async_result_get_type          (void) G_GNUC_CONST;
      66  
      67  GIO_AVAILABLE_IN_ALL
      68  gpointer g_async_result_get_user_data     (GAsyncResult *res);
      69  GIO_AVAILABLE_IN_ALL
      70  GObject *g_async_result_get_source_object (GAsyncResult *res);
      71  
      72  GIO_AVAILABLE_IN_2_34
      73  gboolean g_async_result_legacy_propagate_error (GAsyncResult  *res,
      74  						GError       **error);
      75  GIO_AVAILABLE_IN_2_34
      76  gboolean g_async_result_is_tagged              (GAsyncResult  *res,
      77  						gpointer       source_tag);
      78  
      79  G_END_DECLS
      80  
      81  #endif /* __G_ASYNC_RESULT_H__ */