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1 office 1 /* GIO - GLib Input, Output and Streaming Library
2 *
3 * Copyright (C) 2010 Christian Kellner
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
14 *
15 * You should have received a copy of the GNU Lesser General
16 * Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
17 *
18 * Author: Christian Kellner <gicmo@gnome.org>
19 */
20  
21 #ifndef __G_FILE_DESCRIPTOR_BASED_H__
22 #define __G_FILE_DESCRIPTOR_BASED_H__
23  
24 #include <gio/gio.h>
25  
26 G_BEGIN_DECLS
27  
28 #define G_TYPE_FILE_DESCRIPTOR_BASED (g_file_descriptor_based_get_type ())
29 #define G_FILE_DESCRIPTOR_BASED(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), G_TYPE_FILE_DESCRIPTOR_BASED, GFileDescriptorBased))
30 #define G_IS_FILE_DESCRIPTOR_BASED(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), G_TYPE_FILE_DESCRIPTOR_BASED))
31 #define G_FILE_DESCRIPTOR_BASED_GET_IFACE(obj) (G_TYPE_INSTANCE_GET_INTERFACE ((obj), G_TYPE_FILE_DESCRIPTOR_BASED, GFileDescriptorBasedIface))
32 G_DEFINE_AUTOPTR_CLEANUP_FUNC(GFileDescriptorBased, g_object_unref)
33  
34 /**
35 * GFileDescriptorBased:
36 *
37 * An interface for file descriptor based io objects.
38 **/
39 typedef struct _GFileDescriptorBasedIface GFileDescriptorBasedIface;
40  
41 /**
42 * GFileDescriptorBasedIface:
43 * @g_iface: The parent interface.
44 * @get_fd: Gets the underlying file descriptor.
45 *
46 * An interface for file descriptor based io objects.
47 **/
48 struct _GFileDescriptorBasedIface
49 {
50 GTypeInterface g_iface;
51  
52 /* Virtual Table */
53 int (*get_fd) (GFileDescriptorBased *fd_based);
54 };
55  
56 GLIB_AVAILABLE_IN_ALL
57 GType g_file_descriptor_based_get_type (void) G_GNUC_CONST;
58  
59 GLIB_AVAILABLE_IN_ALL
60 int g_file_descriptor_based_get_fd (GFileDescriptorBased *fd_based);
61  
62 G_END_DECLS
63  
64  
65 #endif /* __G_FILE_DESCRIPTOR_BASED_H__ */
66