int remove_processor (boost::shared_ptr<Processor>, ProcessorStreams* err = 0, bool need_process_lock = true);
int remove_processors (const ProcessorList&, ProcessorStreams* err = 0);
int reorder_processors (const ProcessorList& new_order, ProcessorStreams* err = 0);
int remove_processor (boost::shared_ptr<Processor>, ProcessorStreams* err = 0, bool need_process_lock = true);
int remove_processors (const ProcessorList&, ProcessorStreams* err = 0);
int reorder_processors (const ProcessorList& new_order, ProcessorStreams* err = 0);