The process control block is an idea that cannot be ignored. This is because the process can stay so long and work better. In most cases, the process control block can only be found from the idea od the data flow. If you are looking for a better knowled to understand how the blocking process can be done, simply check on the operation of data flow and find success. The idea and knowledge to have things solved is a better way to handle things. If you are looking for the best method that can handle the process, using the naled one above works well.
The best of all can be found in the way that people use in handling the process. Process control block can always work when there is a loop trying to break into the security system of a given information. The best of it all will surely work.