1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
7 This file is part of systemd.
9 Copyright 2010 Lennart Poettering
11 systemd is free software; you can redistribute it and/or modify it
12 under the terms of the GNU General Public License as published by
13 the Free Software Foundation; either version 2 of the License, or
14 (at your option) any later version.
16 systemd is distributed in the hope that it will be useful, but
17 WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 General Public License for more details.
21 You should have received a copy of the GNU General Public License
22 along with systemd; If not, see <http://www.gnu.org/licenses/>.
25 typedef struct Device Device;
29 /* We simply watch devices, we cannot plug/unplug them. That
30 * simplifies the state engine greatly */
31 typedef enum DeviceState {
35 _DEVICE_STATE_INVALID = -1
43 /* In order to be able to distinguish dependencies on
44 different device nodes we might end up creating multiple
45 devices for the same sysfs path. We chain them up here. */
47 LIST_FIELDS(struct Device, same_sysfs);
52 extern const UnitVTable device_vtable;
54 void device_fd_event(Manager *m, int events);
56 const char* device_state_to_string(DeviceState i);
57 DeviceState device_state_from_string(const char *s);