parameters: (self)
return_statement: return self._retcode
docstring: Return the return value of the subprocess.
  
      Waits for process to die but does NOT kill it explicitly.
docstring_summary: Return the return value of the subprocess.
docstring_tokens: Return the return value of the subprocess .
function: def retcode(self):
      """Return the return value of the subprocess.
  
      Waits for process to die but does NOT kill it explicitly.
      """
      if self._retcode == None:  # must be none, not 0/False
        self._retcode = self._process.wait()
      return self._retcode
function_tokens: def retcode ( self ) : if self . _retcode == None : # must be none, not 0/False self . _retcode = self . _process . wait ( ) return self . _retcode