+ return 0;
+}
+
+int match_unit_removed(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+ const char *path, *unit;
+ Manager *m = userdata;
+ Session *session;
+ User *user;
+ int r;
+
+ assert(message);
+ assert(m);
+
+ r = sd_bus_message_read(message, "so", &unit, &path);
+ if (r < 0) {
+ bus_log_parse_error(r);
+ return 0;
+ }
+
+ session = hashmap_get(m->session_units, unit);
+ if (session)
+ session_add_to_gc_queue(session);
+
+ user = hashmap_get(m->user_units, unit);
+ if (user)
+ user_add_to_gc_queue(user);
+
+ return 0;
+}
+
+int match_properties_changed(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+ _cleanup_free_ char *unit = NULL;
+ Manager *m = userdata;
+ const char *path;
+ Session *session;
+ User *user;
+ int r;
+
+ assert(message);
+ assert(m);
+
+ path = sd_bus_message_get_path(message);
+ if (!path)
+ return 0;
+
+ r = unit_name_from_dbus_path(path, &unit);
+ if (r == -EINVAL) /* not a unit */
+ return 0;
+ if (r < 0) {
+ log_oom();
+ return 0;
+ }
+
+ session = hashmap_get(m->session_units, unit);
+ if (session)
+ session_add_to_gc_queue(session);
+
+ user = hashmap_get(m->user_units, unit);
+ if (user)
+ user_add_to_gc_queue(user);
+
+ return 0;
+}
+
+int match_reloading(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+ Manager *m = userdata;
+ Session *session;
+ Iterator i;
+ int b, r;
+
+ assert(message);
+ assert(m);
+
+ r = sd_bus_message_read(message, "b", &b);
+ if (r < 0) {
+ bus_log_parse_error(r);
+ return 0;
+ }
+
+ if (b)
+ return 0;
+
+ /* systemd finished reloading, let's recheck all our sessions */
+ log_debug("System manager has been reloaded, rechecking sessions...");
+
+ HASHMAP_FOREACH(session, m->sessions, i)
+ session_add_to_gc_queue(session);
+
+ return 0;
+}
+#endif // 0
+
+int manager_send_changed(Manager *manager, const char *property, ...) {
+ char **l;
+
+ assert(manager);
+
+ l = strv_from_stdarg_alloca(property);
+
+ return sd_bus_emit_properties_changed_strv(
+ manager->bus,
+ "/org/freedesktop/login1",
+ "org.freedesktop.login1.Manager",
+ l);
+}
+
+#if 0 /// UNNEEDED by elogind
+int manager_start_slice(
+ Manager *manager,
+ const char *slice,
+ const char *description,
+ const char *after,
+ const char *after2,
+ uint64_t tasks_max,
+ sd_bus_error *error,
+ char **job) {
+
+ _cleanup_bus_message_unref_ sd_bus_message *m = NULL, *reply = NULL;
+ int r;
+
+ assert(manager);
+ assert(slice);
+
+ r = sd_bus_message_new_method_call(
+ manager->bus,
+ &m,
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ "StartTransientUnit");
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_append(m, "ss", strempty(slice), "fail");
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_open_container(m, 'a', "(sv)");
+ if (r < 0)
+ return r;
+
+ if (!isempty(description)) {
+ r = sd_bus_message_append(m, "(sv)", "Description", "s", description);
+ if (r < 0)
+ return r;
+ }
+
+ if (!isempty(after)) {
+ r = sd_bus_message_append(m, "(sv)", "After", "as", 1, after);
+ if (r < 0)
+ return r;
+ }
+
+ if (!isempty(after2)) {
+ r = sd_bus_message_append(m, "(sv)", "After", "as", 1, after2);
+ if (r < 0)
+ return r;
+ }
+
+ r = sd_bus_message_append(m, "(sv)", "TasksMax", "t", tasks_max);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_close_container(m);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_append(m, "a(sa(sv))", 0);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_call(manager->bus, m, 0, error, &reply);
+ if (r < 0)
+ return r;
+
+ if (job) {
+ const char *j;
+ char *copy;
+
+ r = sd_bus_message_read(reply, "o", &j);
+ if (r < 0)
+ return r;
+
+ copy = strdup(j);
+ if (!copy)
+ return -ENOMEM;
+
+ *job = copy;
+ }
+
+ return 1;
+}
+
+int manager_start_scope(
+ Manager *manager,
+ const char *scope,
+ pid_t pid,
+ const char *slice,
+ const char *description,
+ const char *after,
+ const char *after2,
+ uint64_t tasks_max,
+ sd_bus_error *error,
+ char **job) {
+
+ _cleanup_bus_message_unref_ sd_bus_message *m = NULL, *reply = NULL;
+ int r;
+
+ assert(manager);
+ assert(scope);
+ assert(pid > 1);
+
+ r = sd_bus_message_new_method_call(
+ manager->bus,
+ &m,
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ "StartTransientUnit");
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_append(m, "ss", strempty(scope), "fail");
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_open_container(m, 'a', "(sv)");
+ if (r < 0)
+ return r;
+
+ if (!isempty(slice)) {
+ r = sd_bus_message_append(m, "(sv)", "Slice", "s", slice);
+ if (r < 0)
+ return r;
+ }
+
+ if (!isempty(description)) {
+ r = sd_bus_message_append(m, "(sv)", "Description", "s", description);
+ if (r < 0)
+ return r;
+ }
+
+ if (!isempty(after)) {
+ r = sd_bus_message_append(m, "(sv)", "After", "as", 1, after);
+ if (r < 0)
+ return r;
+ }
+
+ if (!isempty(after2)) {
+ r = sd_bus_message_append(m, "(sv)", "After", "as", 1, after2);
+ if (r < 0)
+ return r;
+ }
+
+ /* cgroup empty notification is not available in containers
+ * currently. To make this less problematic, let's shorten the
+ * stop timeout for sessions, so that we don't wait
+ * forever. */
+
+ /* Make sure that the session shells are terminated with
+ * SIGHUP since bash and friends tend to ignore SIGTERM */
+ r = sd_bus_message_append(m, "(sv)", "SendSIGHUP", "b", true);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_append(m, "(sv)", "PIDs", "au", 1, pid);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_append(m, "(sv)", "TasksMax", "t", tasks_max);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_close_container(m);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_append(m, "a(sa(sv))", 0);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_call(manager->bus, m, 0, error, &reply);
+ if (r < 0)
+ return r;
+
+ if (job) {
+ const char *j;
+ char *copy;
+
+ r = sd_bus_message_read(reply, "o", &j);
+ if (r < 0)
+ return r;
+
+ copy = strdup(j);
+ if (!copy)
+ return -ENOMEM;
+
+ *job = copy;
+ }
+
+ return 1;
+}
+
+int manager_start_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job) {
+ _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
+ int r;
+
+ assert(manager);
+ assert(unit);
+
+ r = sd_bus_call_method(
+ manager->bus,
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ "StartUnit",
+ error,
+ &reply,
+ "ss", unit, "replace");
+ if (r < 0)
+ return r;
+
+ if (job) {
+ const char *j;
+ char *copy;
+
+ r = sd_bus_message_read(reply, "o", &j);
+ if (r < 0)
+ return r;
+
+ copy = strdup(j);
+ if (!copy)
+ return -ENOMEM;
+
+ *job = copy;
+ }
+
+ return 1;
+}
+
+int manager_stop_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job) {
+ _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
+ int r;
+
+ assert(manager);
+ assert(unit);
+
+ r = sd_bus_call_method(
+ manager->bus,
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ "StopUnit",
+ error,
+ &reply,
+ "ss", unit, "fail");
+ if (r < 0) {
+ if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) ||
+ sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED)) {
+
+ if (job)
+ *job = NULL;
+
+ sd_bus_error_free(error);
+ return 0;
+ }
+
+ return r;
+ }
+
+ if (job) {
+ const char *j;
+ char *copy;
+
+ r = sd_bus_message_read(reply, "o", &j);
+ if (r < 0)
+ return r;
+
+ copy = strdup(j);
+ if (!copy)
+ return -ENOMEM;
+
+ *job = copy;
+ }
+
+ return 1;
+}
+
+int manager_abandon_scope(Manager *manager, const char *scope, sd_bus_error *error) {
+ _cleanup_free_ char *path = NULL;
+ int r;
+
+ assert(manager);
+ assert(scope);
+
+ path = unit_dbus_path_from_name(scope);
+ if (!path)
+ return -ENOMEM;
+
+ r = sd_bus_call_method(
+ manager->bus,
+ "org.freedesktop.systemd1",
+ path,
+ "org.freedesktop.systemd1.Scope",
+ "Abandon",
+ error,
+ NULL,
+ NULL);
+ if (r < 0) {
+ if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) ||
+ sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED) ||
+ sd_bus_error_has_name(error, BUS_ERROR_SCOPE_NOT_RUNNING)) {
+ sd_bus_error_free(error);
+ return 0;
+ }
+
+ return r;
+ }
+
+ return 1;
+}
+
+int manager_kill_unit(Manager *manager, const char *unit, KillWho who, int signo, sd_bus_error *error) {
+ assert(manager);
+ assert(unit);
+
+ return sd_bus_call_method(
+ manager->bus,
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ "KillUnit",
+ error,
+ NULL,
+ "ssi", unit, who == KILL_LEADER ? "main" : "all", signo);
+}
+
+int manager_unit_is_active(Manager *manager, const char *unit) {
+ _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
+ _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
+ _cleanup_free_ char *path = NULL;
+ const char *state;
+ int r;
+
+ assert(manager);
+ assert(unit);
+
+ path = unit_dbus_path_from_name(unit);
+ if (!path)
+ return -ENOMEM;
+
+ r = sd_bus_get_property(
+ manager->bus,
+ "org.freedesktop.systemd1",
+ path,
+ "org.freedesktop.systemd1.Unit",
+ "ActiveState",
+ &error,
+ &reply,
+ "s");
+ if (r < 0) {
+ /* systemd might have droppped off momentarily, let's
+ * not make this an error */
+ if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) ||
+ sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED))
+ return true;
+
+ /* If the unit is already unloaded then it's not
+ * active */
+ if (sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_UNIT) ||
+ sd_bus_error_has_name(&error, BUS_ERROR_LOAD_FAILED))
+ return false;
+
+ return r;
+ }
+
+ r = sd_bus_message_read(reply, "s", &state);
+ if (r < 0)
+ return -EINVAL;
+
+ return !streq(state, "inactive") && !streq(state, "failed");
+}
+
+int manager_job_is_active(Manager *manager, const char *path) {
+ _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
+ _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
+ int r;
+
+ assert(manager);
+ assert(path);
+
+ r = sd_bus_get_property(
+ manager->bus,
+ "org.freedesktop.systemd1",
+ path,
+ "org.freedesktop.systemd1.Job",
+ "State",
+ &error,
+ &reply,
+ "s");
+ if (r < 0) {
+ if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) ||
+ sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED))
+ return true;
+
+ if (sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_OBJECT))
+ return false;
+
+ return r;
+ }
+
+ /* We don't actually care about the state really. The fact
+ * that we could read the job state is enough for us */
+
+ return true;