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Import Upstream version 2.72.4

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evinadmin 2023-07-04 11:23:22 +02:00
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gio/inotify/ginotifyfilemonitor.c Normal file
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/* 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 2.1 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>
* Ryan Lortie <desrt@desrt.ca>
*/
#include "config.h"
#include "ginotifyfilemonitor.h"
#include <gio/giomodule.h>
#define USE_INOTIFY 1
#include "inotify-helper.h"
struct _GInotifyFileMonitor
{
GLocalFileMonitor parent_instance;
inotify_sub *sub;
};
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 gboolean
g_inotify_file_monitor_is_supported (void)
{
return _ih_startup ();
}
static void
g_inotify_file_monitor_start (GLocalFileMonitor *local_monitor,
const gchar *dirname,
const gchar *basename,
const gchar *filename,
GFileMonitorSource *source)
{
GInotifyFileMonitor *inotify_monitor = G_INOTIFY_FILE_MONITOR (local_monitor);
gboolean success G_GNUC_UNUSED /* when compiling with G_DISABLE_ASSERT */;
/* should already have been called, from is_supported() */
success = _ih_startup ();
g_assert (success);
inotify_monitor->sub = _ih_sub_new (dirname, basename, filename, source);
_ih_sub_add (inotify_monitor->sub);
}
static gboolean
g_inotify_file_monitor_cancel (GFileMonitor *monitor)
{
GInotifyFileMonitor *inotify_monitor = G_INOTIFY_FILE_MONITOR (monitor);
if (inotify_monitor->sub)
{
_ih_sub_cancel (inotify_monitor->sub);
_ih_sub_free (inotify_monitor->sub);
inotify_monitor->sub = NULL;
}
return TRUE;
}
static void
g_inotify_file_monitor_finalize (GObject *object)
{
#ifndef G_DISABLE_ASSERT
GInotifyFileMonitor *inotify_monitor = G_INOTIFY_FILE_MONITOR (object);
#endif
/* must surely have been cancelled already */
g_assert (!inotify_monitor->sub);
G_OBJECT_CLASS (g_inotify_file_monitor_parent_class)->finalize (object);
}
static void
g_inotify_file_monitor_init (GInotifyFileMonitor* monitor)
{
}
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);
local_file_monitor_class->is_supported = g_inotify_file_monitor_is_supported;
local_file_monitor_class->start = g_inotify_file_monitor_start;
local_file_monitor_class->mount_notify = TRUE;
file_monitor_class->cancel = g_inotify_file_monitor_cancel;
gobject_class->finalize = g_inotify_file_monitor_finalize;
}