in detached run mode, we don't want waveshell to die from signals since we want waveshell to persist even if the waveshell --server is terminated.

this will never return (unless there is an error creating/opening the file), as fifoFile will never EOF.

returns (clientproc, initpk, error).

returns (pr, err).

in detached run mode, we don't want waveshell to die from signals since we want waveshell to persist even if the waveshell --server is terminated.