57 lines
1.6 KiB
C
57 lines
1.6 KiB
C
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
|
|
|
|
#pragma once
|
|
|
|
/***
|
|
This file is part of systemd.
|
|
|
|
Copyright 2010 Lennart Poettering
|
|
|
|
systemd 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.
|
|
|
|
systemd 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 systemd; If not, see <http://www.gnu.org/licenses/>.
|
|
***/
|
|
|
|
typedef struct Device Device;
|
|
|
|
#include "unit.h"
|
|
|
|
/* We simply watch devices, we cannot plug/unplug them. That
|
|
* simplifies the state engine greatly */
|
|
typedef enum DeviceState {
|
|
DEVICE_DEAD,
|
|
DEVICE_PLUGGED,
|
|
_DEVICE_STATE_MAX,
|
|
_DEVICE_STATE_INVALID = -1
|
|
} DeviceState;
|
|
|
|
struct Device {
|
|
Unit meta;
|
|
|
|
char *sysfs;
|
|
|
|
/* In order to be able to distinguish dependencies on
|
|
different device nodes we might end up creating multiple
|
|
devices for the same sysfs path. We chain them up here. */
|
|
|
|
LIST_FIELDS(struct Device, same_sysfs);
|
|
|
|
DeviceState state;
|
|
};
|
|
|
|
extern const UnitVTable device_vtable;
|
|
|
|
void device_fd_event(Manager *m, int events);
|
|
|
|
const char* device_state_to_string(DeviceState i);
|
|
DeviceState device_state_from_string(const char *s);
|