session->create_message = sd_bus_message_ref(message);
- /* Here upstream systemd starts cgroups and the user systemd,
- and arranges to reply asynchronously. We reply
- directly. */
+ /* Now, let's wait until the slice unit and stuff got
+ * created. We send the reply back from
+ * session_send_create_reply(). */
+
+ /* Elogind note: replying directly, since we're not actually
+ starting slices and thus we aren't waiting on systemd. */
r = session_send_create_reply(session, NULL);
if (r < 0)
if (r < 0)
return r;
- session_add_to_gc_queue(session);
-
return sd_bus_reply_method_return(message, NULL);
}
static int bus_manager_log_shutdown(
Manager *m,
InhibitWhat w,
- HandleAction action) {
+ const char *unit_name) {
const char *p, *q;
assert(m);
+ assert(unit_name);
if (w != INHIBIT_SHUTDOWN)
return 0;
- switch (action) {
- case HANDLE_POWEROFF:
+ if (streq(unit_name, SPECIAL_POWEROFF_TARGET)) {
p = "MESSAGE=System is powering down.";
q = "SHUTDOWN=power-off";
- break;
- case HANDLE_HALT:
+ } else if (streq(unit_name, SPECIAL_HALT_TARGET)) {
p = "MESSAGE=System is halting.";
q = "SHUTDOWN=halt";
- break;
- case HANDLE_REBOOT:
+ } else if (streq(unit_name, SPECIAL_REBOOT_TARGET)) {
p = "MESSAGE=System is rebooting.";
q = "SHUTDOWN=reboot";
- break;
- case HANDLE_KEXEC:
+ } else if (streq(unit_name, SPECIAL_KEXEC_TARGET)) {
p = "MESSAGE=System is rebooting with kexec.";
q = "SHUTDOWN=kexec";
- break;
- default:
+ } else {
p = "MESSAGE=System is shutting down.";
q = NULL;
- break;
}
return log_struct(LOG_NOTICE,
static int execute_shutdown_or_sleep(
Manager *m,
InhibitWhat w,
- HandleAction action,
+ const char *unit_name,
sd_bus_error *error) {
+
+ _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
+ const char *p;
+ char *c;
int r;
assert(m);
assert(w >= 0);
assert(w < _INHIBIT_WHAT_MAX);
+ assert(unit_name);
+
+ bus_manager_log_shutdown(m, w, unit_name);
- bus_manager_log_shutdown(m, w, action);
+ r = sd_bus_call_method(
+ m->bus,
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ "StartUnit",
+ error,
+ &reply,
+ "ss", unit_name, "replace-irreversibly");
+ if (r < 0)
+ return r;
- r = shutdown_or_sleep(m, action);
+ r = sd_bus_message_read(reply, "o", &p);
if (r < 0)
return r;
- /* Make sure the lid switch is ignored for a while (?) */
+ c = strdup(p);
+ if (!c)
+ return -ENOMEM;
+
+ m->action_unit = unit_name;
+ free(m->action_job);
+ m->action_job = c;
+ m->action_what = w;
+
+ /* Make sure the lid switch is ignored for a while */
manager_set_lid_switch_ignore(m, now(CLOCK_MONOTONIC) + m->holdoff_timeout_usec);
return 0;
static int delay_shutdown_or_sleep(
Manager *m,
InhibitWhat w,
- HandleAction action) {
+ const char *unit_name) {
assert(m);
assert(w >= 0);
assert(w < _INHIBIT_WHAT_MAX);
+ assert(unit_name);
m->action_timestamp = now(CLOCK_MONOTONIC);
- m->pending_action = action;
+ m->action_unit = unit_name;
m->action_what = w;
return 0;
int bus_manager_shutdown_or_sleep_now_or_later(
Manager *m,
- HandleAction action,
+ const char *unit_name,
InhibitWhat w,
sd_bus_error *error) {
int r;
assert(m);
+ assert(unit_name);
assert(w >= 0);
assert(w <= _INHIBIT_WHAT_MAX);
+ assert(!m->action_job);
/* Tell everybody to prepare for shutdown/sleep */
send_prepare_for(m, w, true);
if (delayed)
/* Shutdown is delayed, keep in mind what we
* want to do, and start a timeout */
- r = delay_shutdown_or_sleep(m, w, action);
+ r = delay_shutdown_or_sleep(m, w, unit_name);
else
/* Shutdown is not delayed, execute it
* immediately */
- r = execute_shutdown_or_sleep(m, w, action, error);
+ r = execute_shutdown_or_sleep(m, w, unit_name, error);
return r;
}
static int method_do_shutdown_or_sleep(
Manager *m,
sd_bus_message *message,
- HandleAction sleep_action,
+ const char *unit_name,
InhibitWhat w,
const char *action,
const char *action_multiple_sessions,
assert(m);
assert(message);
+ assert(unit_name);
assert(w >= 0);
assert(w <= _INHIBIT_WHAT_MAX);
assert(action);
return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
}
- r = bus_manager_shutdown_or_sleep_now_or_later(m, sleep_action, w, error);
+ r = bus_manager_shutdown_or_sleep_now_or_later(m, unit_name, w, error);
if (r < 0)
return r;
return method_do_shutdown_or_sleep(
m, message,
- HANDLE_POWEROFF,
+ SPECIAL_POWEROFF_TARGET,
INHIBIT_SHUTDOWN,
"org.freedesktop.login1.power-off",
"org.freedesktop.login1.power-off-multiple-sessions",
return method_do_shutdown_or_sleep(
m, message,
- HANDLE_REBOOT,
+ SPECIAL_REBOOT_TARGET,
INHIBIT_SHUTDOWN,
"org.freedesktop.login1.reboot",
"org.freedesktop.login1.reboot-multiple-sessions",
return method_do_shutdown_or_sleep(
m, message,
- HANDLE_SUSPEND,
+ SPECIAL_SUSPEND_TARGET,
INHIBIT_SLEEP,
"org.freedesktop.login1.suspend",
"org.freedesktop.login1.suspend-multiple-sessions",
return method_do_shutdown_or_sleep(
m, message,
- HANDLE_HIBERNATE,
+ SPECIAL_HIBERNATE_TARGET,
INHIBIT_SLEEP,
"org.freedesktop.login1.hibernate",
"org.freedesktop.login1.hibernate-multiple-sessions",
return method_do_shutdown_or_sleep(
m, message,
- HANDLE_HYBRID_SLEEP,
+ SPECIAL_HYBRID_SLEEP_TARGET,
INHIBIT_SLEEP,
"org.freedesktop.login1.hibernate",
"org.freedesktop.login1.hibernate-multiple-sessions",
SD_BUS_VTABLE_END
};
+static int session_jobs_reply(Session *s, const char *unit, const char *result) {
+ int r = 0;
+
+ assert(s);
+ assert(unit);
+
+ if (!s->started)
+ return r;
+
+ if (streq(result, "done"))
+ r = session_send_create_reply(s, NULL);
+ else {
+ _cleanup_bus_error_free_ sd_bus_error e = SD_BUS_ERROR_NULL;
+
+ sd_bus_error_setf(&e, BUS_ERROR_JOB_FAILED, "Start job for unit %s failed with '%s'", unit, result);
+ r = session_send_create_reply(s, &e);
+ }
+
+ return r;
+}
+
int manager_send_changed(Manager *manager, const char *property, ...) {
char **l;
assert(manager);
- if (manager->action_what == 0)
+ if (manager->action_what == 0 || manager->action_job)
return 0;
/* Continue delay? */
}
/* Actually do the operation */
- r = execute_shutdown_or_sleep(manager, manager->action_what, manager->pending_action, &error);
+ r = execute_shutdown_or_sleep(manager, manager->action_what, manager->action_unit, &error);
if (r < 0) {
log_warning("Failed to send delayed message: %s", bus_error_message(&error, r));
- manager->pending_action = HANDLE_IGNORE;
+ manager->action_unit = NULL;
manager->action_what = 0;
return r;
}
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,
+ 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_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, "fail");
+ 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;
+}