10.4 CPU Scheduling
CPU scheduling is the act of determining which process in the ready state should be moved to the running state. That is, CPU-scheduling algorithms decide which process should be given over to the CPU so that it can make computational progress.
CPU-scheduling decisions are made when a process switches from the running state to the waiting state, or when a program terminates. This type of CPU scheduling is called nonpreemptive scheduling, because the need for a new CPU process results from the activity of the currently executing process.
CPU-scheduling decisions may also be made when a process moves from the running state to the ready state or when a process moves from the waiting state to the ready state. These are examples ...
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