parameters: ()
return_statement: return os.getpgrp()
docstring: Returns the PID used for host_forwarder initialization.
  
      The PID of the "sharder" is used to handle multiprocessing. The "sharder"
      is the initial process that forks that is the parent process.
docstring_summary: Returns the PID used for host_forwarder initialization.
docstring_tokens: Returns the PID used for host_forwarder initialization .
function: def _GetPidForLock():
      """Returns the PID used for host_forwarder initialization.
  
      The PID of the "sharder" is used to handle multiprocessing. The "sharder"
      is the initial process that forks that is the parent process.
      """
      return os.getpgrp()
function_tokens: def _GetPidForLock ( ) : return os . getpgrp ( )