110 lines
2.6 KiB
C
110 lines
2.6 KiB
C
|
/*
|
||
|
|
* Copyright (C) 2018 Red Hat
|
||
|
|
*
|
||
|
|
* This program is free software; you can redistribute it and/or
|
||
|
|
* modify it under the terms of the GNU General Public License as
|
||
|
|
* published by the Free Software Foundation; either version 2 of the
|
||
|
|
* License, or (at your option) any later version.
|
||
|
|
*
|
||
|
|
* This program 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
|
||
|
|
* General Public License for more details.
|
||
|
|
*
|
||
|
|
* You should have received a copy of the GNU General Public License
|
||
|
|
* along with this program; if not, write to the Free Software
|
||
|
|
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
|
||
|
|
* 02111-1307, USA.
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include "config.h"
|
||
|
|
|
||
|
|
#include "backends/native/meta-udev.h"
|
||
|
|
|
||
|
|
enum
|
||
|
|
{
|
||
|
|
DEVICE_ADDED,
|
||
|
|
|
||
|
|
N_SIGNALS
|
||
|
|
};
|
||
|
|
|
||
|
|
static guint signals[N_SIGNALS];
|
||
|
|
|
||
|
|
struct _MetaUdev
|
||
|
|
{
|
||
|
|
GObject parent;
|
||
|
|
|
||
|
|
GUdevClient *gudev_client;
|
||
|
|
|
||
|
|
guint uevent_handler_id;
|
||
|
|
};
|
||
|
|
|
||
|
|
G_DEFINE_TYPE (MetaUdev, meta_udev, G_TYPE_OBJECT)
|
||
|
|
|
||
|
|
static void
|
||
|
|
on_uevent (GUdevClient *client,
|
||
|
|
const char *action,
|
||
|
|
GUdevDevice *device,
|
||
|
|
gpointer user_data)
|
||
|
|
{
|
||
|
|
MetaUdev *udev = META_UDEV (user_data);
|
||
|
|
|
||
|
|
if (!g_udev_device_get_device_file (device))
|
||
|
|
return;
|
||
|
|
|
||
|
|
if (g_str_equal (action, "add"))
|
||
|
|
g_signal_emit (udev, signals[DEVICE_ADDED], 0, device);
|
||
|
|
}
|
||
|
|
|
||
|
|
GUdevClient *
|
||
|
|
meta_udev_get_gudev_client (MetaUdev *udev)
|
||
|
|
{
|
||
|
|
return udev->gudev_client;
|
||
|
|
}
|
||
|
|
|
||
|
|
MetaUdev *
|
||
|
|
meta_udev_new (void)
|
||
|
|
{
|
||
|
|
return g_object_new (META_TYPE_UDEV, NULL);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void
|
||
|
|
meta_udev_finalize (GObject *object)
|
||
|
|
{
|
||
|
|
MetaUdev *udev = META_UDEV (object);
|
||
|
|
|
||
|
|
g_signal_handler_disconnect (udev->gudev_client, udev->uevent_handler_id);
|
||
|
|
g_clear_object (&udev->gudev_client);
|
||
|
|
|
||
|
|
G_OBJECT_CLASS (meta_udev_parent_class)->finalize (object);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void
|
||
|
|
meta_udev_init (MetaUdev *udev)
|
||
|
|
{
|
||
|
|
const char *subsystems[] = { "drm", NULL };
|
||
|
|
|
||
|
|
udev->gudev_client = g_udev_client_new (subsystems);
|
||
|
|
udev->uevent_handler_id = g_signal_connect (udev->gudev_client,
|
||
|
|
"uevent",
|
||
|
|
G_CALLBACK (on_uevent), udev);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void
|
||
|
|
meta_udev_class_init (MetaUdevClass *klass)
|
||
|
|
{
|
||
|
|
GObjectClass *object_class = G_OBJECT_CLASS (klass);
|
||
|
|
|
||
|
|
object_class->finalize = meta_udev_finalize;
|
||
|
|
|
||
|
|
signals[DEVICE_ADDED] =
|
||
|
|
g_signal_new ("device-added",
|
||
|
|
G_TYPE_FROM_CLASS (object_class),
|
||
|
|
G_SIGNAL_RUN_LAST,
|
||
|
|
0, NULL, NULL,
|
||
|
|
g_cclosure_marshal_VOID__VOID,
|
||
|
|
G_TYPE_NONE, 1,
|
||
|
|
G_UDEV_TYPE_DEVICE);
|
||
|
|
}
|