_public_ int sd_event_source_set_description(sd_event_source *s, const char *description) {
assert_return(s, -EINVAL);
+ assert_return(!event_pid_changed(s->event), -ECHILD);
return free_and_strdup(&s->description, description);
}
_public_ int sd_event_source_get_description(sd_event_source *s, const char **description) {
assert_return(s, -EINVAL);
assert_return(description, -EINVAL);
+ assert_return(s->description, -ENXIO);
+ assert_return(!event_pid_changed(s->event), -ECHILD);
*description = s->description;
return 0;