logind: move logind into its own subdirectory

[elogind.git] / src / login / logind-device.c

diff --git a/src/login/logind-device.c b/src/login/logind-device.c
new file mode 100644 (file)
index 0000000..bbd370f
--- /dev/null
+++ b/src/login/logind-device.c
@@ -0,0 +1,86 @@
+/*-*- 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);
+}