log_info("Creating /run/nologin, blocking further logins...");
- if ((e = write_one_line_file("/run/nologin", "System is going down.")) < 0)
+ if ((e = write_one_line_file_atomic("/run/nologin", "System is going down.")) < 0)
log_error("Failed to create /run/nologin: %s", strerror(-e));
else
unlink_nologin = true;