class_docstr: Timeout class using ALARM signal.
code: def raise_timeout(self, *args):
      raise TimeoutError("A timeout error have been raised.")
  
file_path: TensorLayer/tests/utils/timeout_utils.py
imports: import platform
label_desc: Use image node_id 4 for calling the TimeoutContext obj's underlying member method code with example usage: obj.raise_timeout() without return types