tint2/src/util/uevent.h
2017-08-31 18:38:31 +02:00

85 lines
1.9 KiB
C

/**************************************************************************
*
* Linux Kernel uevent handler
*
* Copyright (C) 2015 Sebastian Reichel <sre@ring0.de>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version 2
* or any later version as published by the Free Software Foundation.
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
**************************************************************************/
#ifndef UEVENT_H
#define UEVENT_H
#include <glib.h>
enum uevent_action {
UEVENT_UNKNOWN = 0x01,
UEVENT_ADD = 0x02,
UEVENT_REMOVE = 0x04,
UEVENT_CHANGE = 0x08,
};
struct uevent_parameter {
char *key;
char *val;
};
struct uevent {
char *path;
enum uevent_action action;
int sequence;
char *subsystem;
GList *params;
};
struct uevent_notify {
int action; /* bitfield */
char *subsystem; /* NULL => any */
void *userdata;
void (*cb)(struct uevent *e, void *userdata);
};
extern int uevent_fd;
#if ENABLE_UEVENT
int uevent_init();
void uevent_cleanup();
void uevent_handler();
void uevent_register_notifier(struct uevent_notify *nb);
void uevent_unregister_notifier(struct uevent_notify *nb);
#else
static inline int uevent_init()
{
return -1;
}
static inline void uevent_cleanup()
{
}
static inline void uevent_handler()
{
}
static inline void uevent_register_notifier(struct uevent_notify *nb)
{
}
static inline void uevent_unregister_notifier(struct uevent_notify *nb)
{
}
#endif
#endif