GSimpleAsyncResult: support reliable cancellation
[platform/upstream/glib.git] / gio / gsimpleasyncresult.h
1 /* GIO - GLib Input, Output and Streaming Library
2  *
3  * Copyright (C) 2006-2007 Red Hat, Inc.
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, write to the
17  * Free Software Foundation, Inc., 59 Temple Place, Suite 330,
18  * Boston, MA 02111-1307, USA.
19  *
20  * Author: Alexander Larsson <alexl@redhat.com>
21  */
22
23 #if !defined (__GIO_GIO_H_INSIDE__) && !defined (GIO_COMPILATION)
24 #error "Only <gio/gio.h> can be included directly."
25 #endif
26
27 #ifndef __G_SIMPLE_ASYNC_RESULT_H__
28 #define __G_SIMPLE_ASYNC_RESULT_H__
29
30 #include <gio/giotypes.h>
31
32 G_BEGIN_DECLS
33
34 #define G_TYPE_SIMPLE_ASYNC_RESULT         (g_simple_async_result_get_type ())
35 #define G_SIMPLE_ASYNC_RESULT(o)           (G_TYPE_CHECK_INSTANCE_CAST ((o), G_TYPE_SIMPLE_ASYNC_RESULT, GSimpleAsyncResult))
36 #define G_SIMPLE_ASYNC_RESULT_CLASS(k)     (G_TYPE_CHECK_CLASS_CAST((k), G_TYPE_SIMPLE_ASYNC_RESULT, GSimpleAsyncResultClass))
37 #define G_IS_SIMPLE_ASYNC_RESULT(o)        (G_TYPE_CHECK_INSTANCE_TYPE ((o), G_TYPE_SIMPLE_ASYNC_RESULT))
38 #define G_IS_SIMPLE_ASYNC_RESULT_CLASS(k)  (G_TYPE_CHECK_CLASS_TYPE ((k), G_TYPE_SIMPLE_ASYNC_RESULT))
39 #define G_SIMPLE_ASYNC_RESULT_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), G_TYPE_SIMPLE_ASYNC_RESULT, GSimpleAsyncResultClass))
40
41 /**
42  * GSimpleAsyncResult:
43  *
44  * A simple implementation of #GAsyncResult.
45  **/
46 typedef struct _GSimpleAsyncResultClass   GSimpleAsyncResultClass;
47
48
49 GType               g_simple_async_result_get_type         (void) G_GNUC_CONST;
50
51 GSimpleAsyncResult *g_simple_async_result_new              (GObject                 *source_object,
52                                                             GAsyncReadyCallback      callback,
53                                                             gpointer                 user_data,
54                                                             gpointer                 source_tag);
55 GSimpleAsyncResult *g_simple_async_result_new_error        (GObject                 *source_object,
56                                                             GAsyncReadyCallback      callback,
57                                                             gpointer                 user_data,
58                                                             GQuark                   domain,
59                                                             gint                     code,
60                                                             const char              *format,
61                                                             ...) G_GNUC_PRINTF (6, 7);
62 GSimpleAsyncResult *g_simple_async_result_new_from_error   (GObject                 *source_object,
63                                                             GAsyncReadyCallback      callback,
64                                                             gpointer                 user_data,
65                                                             const GError            *error);
66 GSimpleAsyncResult *g_simple_async_result_new_take_error   (GObject                 *source_object,
67                                                             GAsyncReadyCallback      callback,
68                                                             gpointer                 user_data,
69                                                             GError                  *error);
70
71 void                g_simple_async_result_set_op_res_gpointer (GSimpleAsyncResult      *simple,
72                                                                gpointer                 op_res,
73                                                                GDestroyNotify           destroy_op_res);
74 gpointer            g_simple_async_result_get_op_res_gpointer (GSimpleAsyncResult      *simple);
75
76 void                g_simple_async_result_set_op_res_gssize   (GSimpleAsyncResult      *simple,
77                                                                gssize                   op_res);
78 gssize              g_simple_async_result_get_op_res_gssize   (GSimpleAsyncResult      *simple);
79
80 void                g_simple_async_result_set_op_res_gboolean (GSimpleAsyncResult      *simple,
81                                                                gboolean                 op_res);
82 gboolean            g_simple_async_result_get_op_res_gboolean (GSimpleAsyncResult      *simple);
83
84
85
86 void                g_simple_async_result_set_check_cancellable (GSimpleAsyncResult *simple,
87                                                                  GCancellable       *check_cancellable);
88 gpointer            g_simple_async_result_get_source_tag   (GSimpleAsyncResult      *simple);
89 void                g_simple_async_result_set_handle_cancellation (GSimpleAsyncResult      *simple,
90                                                                    gboolean          handle_cancellation);
91 void                g_simple_async_result_complete         (GSimpleAsyncResult      *simple);
92 void                g_simple_async_result_complete_in_idle (GSimpleAsyncResult      *simple);
93 void                g_simple_async_result_run_in_thread    (GSimpleAsyncResult      *simple,
94                                                             GSimpleAsyncThreadFunc   func,
95                                                             int                      io_priority,
96                                                             GCancellable            *cancellable);
97 void                g_simple_async_result_set_from_error   (GSimpleAsyncResult      *simple,
98                                                             const GError            *error);
99 void                g_simple_async_result_take_error       (GSimpleAsyncResult      *simple,
100                                                             GError            *error);
101 gboolean            g_simple_async_result_propagate_error  (GSimpleAsyncResult      *simple,
102                                                             GError                 **dest);
103 void                g_simple_async_result_set_error        (GSimpleAsyncResult      *simple,
104                                                             GQuark                   domain,
105                                                             gint                     code,
106                                                             const char              *format,
107                                                             ...) G_GNUC_PRINTF (4, 5);
108 void                g_simple_async_result_set_error_va     (GSimpleAsyncResult      *simple,
109                                                             GQuark                   domain,
110                                                             gint                     code,
111                                                             const char              *format,
112                                                             va_list                  args);
113 gboolean            g_simple_async_result_is_valid         (GAsyncResult            *result,
114                                                             GObject                 *source,
115                                                             gpointer                 source_tag);
116
117 void g_simple_async_report_error_in_idle  (GObject            *object,
118                                            GAsyncReadyCallback callback,
119                                            gpointer            user_data,
120                                            GQuark              domain,
121                                            gint                code,
122                                            const char         *format,
123                                            ...);
124 void g_simple_async_report_gerror_in_idle (GObject            *object,
125                                            GAsyncReadyCallback callback,
126                                            gpointer            user_data,
127                                            const GError       *error);
128 void g_simple_async_report_take_gerror_in_idle (GObject            *object,
129                                                 GAsyncReadyCallback callback,
130                                                 gpointer            user_data,
131                                                 GError             *error);
132
133 G_END_DECLS
134
135
136
137 #endif /* __G_SIMPLE_ASYNC_RESULT_H__ */