1 | /* GIO - GLib Input, Output and Streaming Library |
2 | * |
3 | * Copyright (C) 2006-2007 Red Hat, Inc. |
4 | * Copyright (C) 2007 Sebastian Dröge. |
5 | * |
6 | * This library is free software; you can redistribute it and/or |
7 | * modify it under the terms of the GNU Lesser General Public |
8 | * License as published by the Free Software Foundation; either |
9 | * version 2.1 of the License, or (at your option) any later version. |
10 | * |
11 | * This library is distributed in the hope that it will be useful, |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
14 | * Lesser General Public License for more details. |
15 | * |
16 | * You should have received a copy of the GNU Lesser General |
17 | * Public License along with this library; if not, see <http://www.gnu.org/licenses/>. |
18 | * |
19 | * Authors: Alexander Larsson <alexl@redhat.com> |
20 | * John McCutchan <john@johnmccutchan.com> |
21 | * Sebastian Dröge <slomo@circular-chaos.org> |
22 | * Ryan Lortie <desrt@desrt.ca> |
23 | */ |
24 | |
25 | #include "config.h" |
26 | |
27 | #include "ginotifyfilemonitor.h" |
28 | #include <gio/giomodule.h> |
29 | |
30 | #define USE_INOTIFY 1 |
31 | #include "inotify-helper.h" |
32 | |
33 | struct _GInotifyFileMonitor |
34 | { |
35 | GLocalFileMonitor parent_instance; |
36 | |
37 | inotify_sub *sub; |
38 | }; |
39 | |
40 | G_DEFINE_TYPE_WITH_CODE (GInotifyFileMonitor, g_inotify_file_monitor, G_TYPE_LOCAL_FILE_MONITOR, |
41 | g_io_extension_point_implement (G_LOCAL_FILE_MONITOR_EXTENSION_POINT_NAME, |
42 | g_define_type_id, "inotify" , 20)) |
43 | |
44 | static gboolean |
45 | g_inotify_file_monitor_is_supported (void) |
46 | { |
47 | return _ih_startup (); |
48 | } |
49 | |
50 | static void |
51 | g_inotify_file_monitor_start (GLocalFileMonitor *local_monitor, |
52 | const gchar *dirname, |
53 | const gchar *basename, |
54 | const gchar *filename, |
55 | GFileMonitorSource *source) |
56 | { |
57 | GInotifyFileMonitor *inotify_monitor = G_INOTIFY_FILE_MONITOR (local_monitor); |
58 | gboolean success G_GNUC_UNUSED /* when compiling with G_DISABLE_ASSERT */; |
59 | |
60 | /* should already have been called, from is_supported() */ |
61 | success = _ih_startup (); |
62 | g_assert (success); |
63 | |
64 | inotify_monitor->sub = _ih_sub_new (dirname, basename, filename, user_data: source); |
65 | _ih_sub_add (sub: inotify_monitor->sub); |
66 | } |
67 | |
68 | static gboolean |
69 | g_inotify_file_monitor_cancel (GFileMonitor *monitor) |
70 | { |
71 | GInotifyFileMonitor *inotify_monitor = G_INOTIFY_FILE_MONITOR (monitor); |
72 | |
73 | if (inotify_monitor->sub) |
74 | { |
75 | _ih_sub_cancel (sub: inotify_monitor->sub); |
76 | _ih_sub_free (sub: inotify_monitor->sub); |
77 | inotify_monitor->sub = NULL; |
78 | } |
79 | |
80 | return TRUE; |
81 | } |
82 | |
83 | static void |
84 | g_inotify_file_monitor_finalize (GObject *object) |
85 | { |
86 | #ifndef G_DISABLE_ASSERT |
87 | GInotifyFileMonitor *inotify_monitor = G_INOTIFY_FILE_MONITOR (object); |
88 | #endif |
89 | |
90 | /* must surely have been cancelled already */ |
91 | g_assert (!inotify_monitor->sub); |
92 | |
93 | G_OBJECT_CLASS (g_inotify_file_monitor_parent_class)->finalize (object); |
94 | } |
95 | |
96 | static void |
97 | g_inotify_file_monitor_init (GInotifyFileMonitor* monitor) |
98 | { |
99 | } |
100 | |
101 | static void |
102 | g_inotify_file_monitor_class_init (GInotifyFileMonitorClass* klass) |
103 | { |
104 | GObjectClass* gobject_class = G_OBJECT_CLASS (klass); |
105 | GFileMonitorClass *file_monitor_class = G_FILE_MONITOR_CLASS (klass); |
106 | GLocalFileMonitorClass *local_file_monitor_class = G_LOCAL_FILE_MONITOR_CLASS (klass); |
107 | |
108 | local_file_monitor_class->is_supported = g_inotify_file_monitor_is_supported; |
109 | local_file_monitor_class->start = g_inotify_file_monitor_start; |
110 | local_file_monitor_class->mount_notify = TRUE; |
111 | file_monitor_class->cancel = g_inotify_file_monitor_cancel; |
112 | |
113 | gobject_class->finalize = g_inotify_file_monitor_finalize; |
114 | } |
115 | |