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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def _SigSegvHandler(self, signal_number, stack_frame):
 """Signal handler for the SIGSEGV signal. Args: signal_number (int):
 numeric representation of the signal. stack_frame (frame):
 current stack frame or None. """

    self._OnCriticalError()

    # Note that the original SIGSEGV handler can be 0.
    if self._original_sigsegv_handler is not None:
      # Let the original SIGSEGV handler take over.
      signal.signal(signal.SIGSEGV, self._original_sigsegv_handler)
      os.kill(self._pid, signal.SIGSEGV)