About PV operation in computer operation system, PV operation is a difficulty in process management. First, we should understand the meaning of PV operation: PV operation is composed of P operation primitive and V operation primitive (primitives are not interruptible processes).

Filename	Size	Update
pv\333.cpp	3136	2017-11-09
pv\333.dsp	3365	2017-11-09
pv\333.dsw	512	2017-11-09
pv\333.opt	48640	2017-11-09
pv\333.plg	731	2017-11-16
pv\basic.h	1629	2017-11-09
pv

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