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. */
-
- r = session_send_create_reply(session, NULL);
- if (r < 0)
- goto fail;
+ /* Now, let's wait until the slice unit and stuff got
+ * created. We send the reply back from
+ * session_send_create_reply(). */
return 1;
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,
return r;
}
-static int send_prepare_for(Manager *m, InhibitWhat w, bool _active) {
-
- static const char * const signal_name[_INHIBIT_WHAT_MAX] = {
- [INHIBIT_SHUTDOWN] = "PrepareForShutdown",
- [INHIBIT_SLEEP] = "PrepareForSleep"
- };
-
- int active = _active;
-
- assert(m);
- assert(w >= 0);
- assert(w < _INHIBIT_WHAT_MAX);
- assert(signal_name[w]);
-
- return sd_bus_emit_signal(m->bus,
- "/org/freedesktop/login1",
- "org.freedesktop.login1.Manager",
- signal_name[w],
- "b",
- active);
-}
-
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;
- if (w == INHIBIT_SLEEP)
- /* And we're back. */
- send_prepare_for(m, w, false);
+ c = strdup(p);
+ if (!c)
+ return -ENOMEM;
- m->action_what = 0;
+ 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 (?) */
+ /* 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 manager_inhibit_timeout_handler(
+ sd_event_source *s,
+ uint64_t usec,
+ void *userdata) {
+
+ _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
+ Inhibitor *offending = NULL;
+ Manager *manager = userdata;
+ int r;
+
+ assert(manager);
+ assert(manager->inhibit_timeout_source == s);
+
+ if (manager->action_what == 0 || manager->action_job)
+ return 0;
+
+ if (manager_is_inhibited(manager, manager->action_what, INHIBIT_DELAY, NULL, false, false, 0, &offending)) {
+ _cleanup_free_ char *comm = NULL, *u = NULL;
+
+ (void) get_process_comm(offending->pid, &comm);
+ u = uid_to_name(offending->uid);
+
+ log_notice("Delay lock is active (UID "UID_FMT"/%s, PID "PID_FMT"/%s) but inhibitor timeout is reached.",
+ offending->uid, strna(u),
+ offending->pid, strna(comm));
+ }
+
+ /* Actually do the operation */
+ 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->action_unit = NULL;
+ manager->action_what = 0;
+ }
+
+ return 0;
+}
+
static int delay_shutdown_or_sleep(
Manager *m,
InhibitWhat w,
- HandleAction action) {
+ const char *unit_name) {
+
+ int r;
+ usec_t timeout_val;
assert(m);
assert(w >= 0);
assert(w < _INHIBIT_WHAT_MAX);
+ assert(unit_name);
+
+ timeout_val = now(CLOCK_MONOTONIC) + m->inhibit_delay_max;
+
+ if (m->inhibit_timeout_source) {
+ r = sd_event_source_set_time(m->inhibit_timeout_source, timeout_val);
+ if (r < 0)
+ return log_error_errno(r, "sd_event_source_set_time() failed: %m\n");
+
+ r = sd_event_source_set_enabled(m->inhibit_timeout_source, SD_EVENT_ONESHOT);
+ if (r < 0)
+ return log_error_errno(r, "sd_event_source_set_enabled() failed: %m\n");
+ } else {
+ r = sd_event_add_time(m->event, &m->inhibit_timeout_source, CLOCK_MONOTONIC,
+ timeout_val, 0, manager_inhibit_timeout_handler, m);
+ if (r < 0)
+ return r;
+ }
- m->action_timestamp = now(CLOCK_MONOTONIC);
- m->pending_action = action;
+ m->action_unit = unit_name;
m->action_what = w;
return 0;
}
+static int send_prepare_for(Manager *m, InhibitWhat w, bool _active) {
+
+ static const char * const signal_name[_INHIBIT_WHAT_MAX] = {
+ [INHIBIT_SHUTDOWN] = "PrepareForShutdown",
+ [INHIBIT_SLEEP] = "PrepareForSleep"
+ };
+
+ int active = _active;
+
+ assert(m);
+ assert(w >= 0);
+ assert(w < _INHIBIT_WHAT_MAX);
+ assert(signal_name[w]);
+
+ return sd_bus_emit_signal(m->bus,
+ "/org/freedesktop/login1",
+ "org.freedesktop.login1.Manager",
+ signal_name[w],
+ "b",
+ active);
+}
+
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",
const sd_bus_vtable manager_vtable[] = {
SD_BUS_VTABLE_START(0),
+ SD_BUS_PROPERTY("NAutoVTs", "u", NULL, offsetof(Manager, n_autovts), SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("KillOnlyUsers", "as", NULL, offsetof(Manager, kill_only_users), SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("KillExcludeUsers", "as", NULL, offsetof(Manager, kill_exclude_users), SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("KillUserProcesses", "b", NULL, offsetof(Manager, kill_user_processes), SD_BUS_VTABLE_PROPERTY_CONST),
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 match_job_removed(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
+ const char *path, *result, *unit;
+ Manager *m = userdata;
+ Session *session;
+ uint32_t id;
+ User *user;
+ int r;
+
+ assert(bus);
+ assert(message);
+ assert(m);
+
+ r = sd_bus_message_read(message, "uoss", &id, &path, &unit, &result);
+ if (r < 0) {
+ bus_log_parse_error(r);
+ return r;
+ }
+
+ if (m->action_job && streq(m->action_job, path)) {
+ log_info("Operation finished.");
+
+ /* Tell people that they now may take a lock again */
+ send_prepare_for(m, m->action_what, false);
+
+ free(m->action_job);
+ m->action_job = NULL;
+ m->action_unit = NULL;
+ m->action_what = 0;
+ return 0;
+ }
+
+ session = hashmap_get(m->session_units, unit);
+ if (session) {
+
+ if (streq_ptr(path, session->scope_job)) {
+ free(session->scope_job);
+ session->scope_job = NULL;
+ }
+
+ session_jobs_reply(session, unit, result);
+
+ session_save(session);
+ session_add_to_gc_queue(session);
+ }
+
+ user = hashmap_get(m->user_units, unit);
+ if (user) {
+
+ if (streq_ptr(path, user->service_job)) {
+ free(user->service_job);
+ user->service_job = NULL;
+ }
+
+ if (streq_ptr(path, user->slice_job)) {
+ free(user->slice_job);
+ user->slice_job = NULL;
+ }
+
+ LIST_FOREACH(sessions_by_user, session, user->sessions) {
+ session_jobs_reply(session, unit, result);
+ }
+
+ user_save(user);
+ user_add_to_gc_queue(user);
+ }
+
+ return 0;
+}
+
+int match_unit_removed(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
+ const char *path, *unit;
+ Manager *m = userdata;
+ Session *session;
+ User *user;
+ int r;
+
+ assert(bus);
+ assert(message);
+ assert(m);
+
+ r = sd_bus_message_read(message, "so", &unit, &path);
+ if (r < 0) {
+ bus_log_parse_error(r);
+ return r;
+ }
+
+ 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 *bus, 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(bus);
+ 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)
+ return r;
+
+ 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 *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
+ Manager *m = userdata;
+ Session *session;
+ Iterator i;
+ int b, r;
+
+ assert(bus);
+
+ r = sd_bus_message_read(message, "b", &b);
+ if (r < 0) {
+ bus_log_parse_error(r);
+ return r;
+ }
+
+ 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;
+}
+
+int match_name_owner_changed(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
+ const char *name, *old, *new;
+ Manager *m = userdata;
+ Session *session;
+ Iterator i;
+ int r;
+
+
+ char *key;
+
+ r = sd_bus_message_read(message, "sss", &name, &old, &new);
+ if (r < 0) {
+ bus_log_parse_error(r);
+ return r;
+ }
+
+ if (isempty(old) || !isempty(new))
+ return 0;
+
+ key = set_remove(m->busnames, (char*) old);
+ if (!key)
+ return 0;
+
+ /* Drop all controllers owned by this name */
+
+ free(key);
+
+ HASHMAP_FOREACH(session, m->sessions, i)
+ if (session_is_controller(session, old))
+ session_drop_controller(session);
+
+ return 0;
+}
+
int manager_send_changed(Manager *manager, const char *property, ...) {
char **l;
l);
}
-int manager_dispatch_delayed(Manager *manager) {
- _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
- Inhibitor *offending = NULL;
+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);
- if (manager->action_what == 0)
- return 0;
+ 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;
- /* Continue delay? */
- if (manager_is_inhibited(manager, manager->action_what, INHIBIT_DELAY, NULL, false, false, 0, &offending)) {
- _cleanup_free_ char *comm = NULL, *u = NULL;
+ r = sd_bus_message_append(m, "ss", strempty(scope), "fail");
+ if (r < 0)
+ return r;
- get_process_comm(offending->pid, &comm);
- u = uid_to_name(offending->uid);
+ 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;
- if (manager->action_timestamp + manager->inhibit_delay_max > now(CLOCK_MONOTONIC))
+ 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;
+ }
- log_info("Delay lock is active (UID "UID_FMT"/%s, PID "PID_FMT"/%s) but inhibitor timeout is reached.",
- offending->uid, strna(u),
- offending->pid, strna(comm));
+ return r;
}
- /* Actually do the operation */
- r = execute_shutdown_or_sleep(manager, manager->action_what, manager->pending_action, &error);
+ 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) {
- log_warning("Failed to send delayed message: %s", bus_error_message(&error, r));
+ 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;
+ }
- manager->pending_action = HANDLE_IGNORE;
- manager->action_what = 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;
+}
~ianmdlvl / elogind.git / blobdiff