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-rw-r--r--src/logind-device.c85
1 files changed, 85 insertions, 0 deletions
diff --git a/src/logind-device.c b/src/logind-device.c
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+/*-*- 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.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);
+
+ d->seat = NULL;
+}
+
+void device_attach(Device *d, Seat *s) {
+ assert(d);
+ assert(s);
+
+ if (d->seat)
+ device_detach(d);
+
+ LIST_PREPEND(Device, devices, d->seat->devices, d);
+ d->seat = s;
+}