round-robin

(algorithm)A scheduling algorithm in which processes areactivated in a fixed cyclic order. Those which cannot proceedbecause they are waiting for some event (e.g. termination of achild process or an input/output operation) simply returncontrol to the scheduler. The virtue of round-robinscheduling is its simplicity - only the processes themselvesneed to know what they are waiting for or how to tell if ithas happened. However, if a process goes back to sleep justbefore the event for which it is waiting occurs then the eventwill not get handled until all the other processes have beenactivated.

Compare priority scheduling.

单词	round-robin
释义	DictionarySeeround robin round-robin round-robin (algorithm)A scheduling algorithm in which processes areactivated in a fixed cyclic order. Those which cannot proceedbecause they are waiting for some event (e.g. termination of achild process or an input/output operation) simply returncontrol to the scheduler. The virtue of round-robinscheduling is its simplicity - only the processes themselvesneed to know what they are waiting for or how to tell if ithas happened. However, if a process goes back to sleep justbefore the event for which it is waiting occurs then the eventwill not get handled until all the other processes have beenactivated. Compare priority scheduling.
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