Merge branch 'test-ip_mreq_source-android-only' into 'master'
[glib.git] / gio / inotify / ginotifyfilemonitor.c
blob4c95e87fb5e9bbfbc82f36952a9fb089d219e936
1 /* GIO - GLib Input, Output and Streaming Library
2 *
3 * Copyright (C) 2006-2007 Red Hat, Inc.
4 * Copyright (C) 2007 Sebastian Dröge.
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.
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.
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/>.
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>
25 #include "config.h"
27 #include "ginotifyfilemonitor.h"
28 #include <gio/giomodule.h>
30 #define USE_INOTIFY 1
31 #include "inotify-helper.h"
33 struct _GInotifyFileMonitor
35 GLocalFileMonitor parent_instance;
37 inotify_sub *sub;
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))
44 static gboolean
45 g_inotify_file_monitor_is_supported (void)
47 return _ih_startup ();
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)
57 GInotifyFileMonitor *inotify_monitor = G_INOTIFY_FILE_MONITOR (local_monitor);
58 gboolean success;
60 /* should already have been called, from is_supported() */
61 success = _ih_startup ();
62 g_assert (success);
64 inotify_monitor->sub = _ih_sub_new (dirname, basename, filename, source);
65 _ih_sub_add (inotify_monitor->sub);
68 static gboolean
69 g_inotify_file_monitor_cancel (GFileMonitor *monitor)
71 GInotifyFileMonitor *inotify_monitor = G_INOTIFY_FILE_MONITOR (monitor);
73 if (inotify_monitor->sub)
75 _ih_sub_cancel (inotify_monitor->sub);
76 _ih_sub_free (inotify_monitor->sub);
77 inotify_monitor->sub = NULL;
80 return TRUE;
83 static void
84 g_inotify_file_monitor_finalize (GObject *object)
86 GInotifyFileMonitor *inotify_monitor = G_INOTIFY_FILE_MONITOR (object);
88 /* must surely have been cancelled already */
89 g_assert (!inotify_monitor->sub);
91 G_OBJECT_CLASS (g_inotify_file_monitor_parent_class)->finalize (object);
94 static void
95 g_inotify_file_monitor_init (GInotifyFileMonitor* monitor)
99 static void
100 g_inotify_file_monitor_class_init (GInotifyFileMonitorClass* klass)
102 GObjectClass* gobject_class = G_OBJECT_CLASS (klass);
103 GFileMonitorClass *file_monitor_class = G_FILE_MONITOR_CLASS (klass);
104 GLocalFileMonitorClass *local_file_monitor_class = G_LOCAL_FILE_MONITOR_CLASS (klass);
106 local_file_monitor_class->is_supported = g_inotify_file_monitor_is_supported;
107 local_file_monitor_class->start = g_inotify_file_monitor_start;
108 local_file_monitor_class->mount_notify = TRUE;
109 file_monitor_class->cancel = g_inotify_file_monitor_cancel;
111 gobject_class->finalize = g_inotify_file_monitor_finalize;