write_string_file_atomic   69 src/login/user-sessions.c                 r = write_string_file_atomic("/run/nologin", "System is going down.");
write_string_file_atomic   37 src/shared/fileio-label.c         r = write_string_file_atomic(fn, line);
write_string_file_atomic  411 src/shutdownd/shutdownd.c                         e = write_string_file_atomic("/run/nologin", "System is going down.");