| /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
| |
| /*** |
| This file is part of systemd. |
| |
| Copyright 2011 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/>. |
| ***/ |
| |
| #include <assert.h> |
| #include <string.h> |
| |
| #include "logind-device.h" |
| #include "util.h" |
| |
| Device* device_new(Manager *m, const char *sysfs) { |
| Device *d; |
| |
| assert(m); |
| assert(sysfs); |
| |
| d = new0(Device, 1); |
| if (!d) |
| return NULL; |
| |
| d->sysfs = strdup(sysfs); |
| if (!d->sysfs) { |
| free(d); |
| return NULL; |
| } |
| |
| if (hashmap_put(m->devices, d->sysfs, d) < 0) { |
| free(d->sysfs); |
| free(d); |
| return NULL; |
| } |
| |
| d->manager = m; |
| dual_timestamp_get(&d->timestamp); |
| |
| return d; |
| } |
| |
| void device_free(Device *d) { |
| assert(d); |
| |
| device_detach(d); |
| |
| hashmap_remove(d->manager->devices, d->sysfs); |
| |
| free(d->sysfs); |
| free(d); |
| } |
| |
| void device_detach(Device *d) { |
| assert(d); |
| |
| if (d->seat) |
| LIST_REMOVE(Device, devices, d->seat->devices, d); |
| |
| seat_add_to_gc_queue(d->seat); |
| d->seat = NULL; |
| } |
| |
| void device_attach(Device *d, Seat *s) { |
| assert(d); |
| assert(s); |
| |
| if (d->seat) |
| device_detach(d); |
| |
| d->seat = s; |
| LIST_PREPEND(Device, devices, s->devices, d); |
| } |