1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
|
/* GIO - GLib Input, Output and Streaming Library
*
* Copyright (C) 2006-2007 Red Hat, Inc.
* Copyright (C) 2007 Sebastian Dröge.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General
* Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
*
* Authors: Alexander Larsson <alexl@redhat.com>
* John McCutchan <john@johnmccutchan.com>
* Sebastian Dröge <slomo@circular-chaos.org>
*/
#include "config.h"
#include "ginotifyfilemonitor.h"
#include <gio/giomodule.h>
#define USE_INOTIFY 1
#include "inotify-helper.h"
struct _GInotifyFileMonitor
{
GLocalFileMonitor parent_instance;
gchar *filename;
gchar *dirname;
inotify_sub *sub;
gboolean pair_moves;
};
static gboolean g_inotify_file_monitor_cancel (GFileMonitor* monitor);
#define g_inotify_file_monitor_get_type _g_inotify_file_monitor_get_type
G_DEFINE_TYPE_WITH_CODE (GInotifyFileMonitor, g_inotify_file_monitor, G_TYPE_LOCAL_FILE_MONITOR,
g_io_extension_point_implement (G_LOCAL_FILE_MONITOR_EXTENSION_POINT_NAME,
g_define_type_id,
"inotify",
20))
static void
g_inotify_file_monitor_finalize (GObject *object)
{
GInotifyFileMonitor *inotify_monitor = G_INOTIFY_FILE_MONITOR (object);
inotify_sub *sub = inotify_monitor->sub;
if (sub)
{
_ih_sub_cancel (sub);
_ih_sub_free (sub);
inotify_monitor->sub = NULL;
}
g_free (inotify_monitor->filename);
g_free (inotify_monitor->dirname);
G_OBJECT_CLASS (g_inotify_file_monitor_parent_class)->finalize (object);
}
static void
g_inotify_file_monitor_start (GLocalFileMonitor *local_monitor)
{
GInotifyFileMonitor *inotify_monitor = G_INOTIFY_FILE_MONITOR (local_monitor);
const gchar *filename = NULL;
gboolean watch_hardlinks;
inotify_sub *sub = NULL;
gboolean pair_moves;
gboolean ret_ih_startup; /* return value of _ih_startup, for asserting */
filename = local_monitor->filename;
g_assert (filename != NULL);
inotify_monitor->filename = g_path_get_basename (filename);
inotify_monitor->dirname = g_path_get_dirname (filename);
/* Will never fail as is_supported() should be called before instantiating
* anyway */
/* assert on return value */
ret_ih_startup = _ih_startup();
g_assert (ret_ih_startup);
pair_moves = local_monitor->flags & G_FILE_MONITOR_SEND_MOVED;
watch_hardlinks = local_monitor->flags & G_FILE_MONITOR_WATCH_HARD_LINKS;
sub = _ih_sub_new (inotify_monitor->dirname,
inotify_monitor->filename,
pair_moves,
watch_hardlinks,
inotify_monitor);
/* FIXME: what to do about errors here? we can't return NULL or another
* kind of error and an assertion is probably too hard */
g_assert (sub != NULL);
/* _ih_sub_add allways returns TRUE, see gio/inotify/inotify-helper.c line 109
* g_assert (_ih_sub_add (sub)); */
_ih_sub_add (sub);
inotify_monitor->sub = sub;
}
static gboolean
g_inotify_file_monitor_is_supported (void)
{
return _ih_startup ();
}
static void
g_inotify_file_monitor_class_init (GInotifyFileMonitorClass* klass)
{
GObjectClass* gobject_class = G_OBJECT_CLASS (klass);
GFileMonitorClass *file_monitor_class = G_FILE_MONITOR_CLASS (klass);
GLocalFileMonitorClass *local_file_monitor_class = G_LOCAL_FILE_MONITOR_CLASS (klass);
gobject_class->finalize = g_inotify_file_monitor_finalize;
file_monitor_class->cancel = g_inotify_file_monitor_cancel;
local_file_monitor_class->is_supported = g_inotify_file_monitor_is_supported;
local_file_monitor_class->start = g_inotify_file_monitor_start;
}
static void
g_inotify_file_monitor_init (GInotifyFileMonitor* monitor)
{
}
static gboolean
g_inotify_file_monitor_cancel (GFileMonitor* monitor)
{
GInotifyFileMonitor *inotify_monitor = G_INOTIFY_FILE_MONITOR (monitor);
inotify_sub *sub = inotify_monitor->sub;
if (sub)
{
_ih_sub_cancel (sub);
_ih_sub_free (sub);
inotify_monitor->sub = NULL;
}
if (G_FILE_MONITOR_CLASS (g_inotify_file_monitor_parent_class)->cancel)
(*G_FILE_MONITOR_CLASS (g_inotify_file_monitor_parent_class)->cancel) (monitor);
return TRUE;
}
|
