how map traveller memory windows ce device engineer past finish xxx_iocontrol?


i'm implementing ioctl windows ce device engineer takes pointer infinite brick concentration memory perform asynchronous i/o instituted by an concentration deviceiocontrol.



when controlling mapcallerptr(), pointer gets unmapped xxx_iocontrol duty returns; pointer used ist longer mapped streamer crash.



what best proceed map pointer over finish xxx_iocontrol? concentration guarantees memory sojourn current until viewed an denote engineer driver finished it.



this windows ce 5.0.



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