/*-*- 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 General Public License as published by the Free Software Foundation; either version 2 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 General Public License for more details. You should have received a copy of the GNU 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); }