network programming - Busy Wait Avoidance -

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the operating system can avoid busy wait of process putting sleep , restoring in case of event. restoring operating system needs check on event occurance, means operating system or part of struck in busy wait ? possible have interrupt driven i/o in software context? between i/o , process not between processes.

for restoring operating system needs check on event occurance, means operating system or part of struck in busy wait?

no.

is possible have interrupt driven i/o in software context?

yes.

only between i/o , process not between processes.

yes.

computers haven't used busy-wait i/o since 1957.


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