Sub-optimal libc's read-ahead buffering behaviour

Andrey Chernov ache at FreeBSD.ORG
Thu Aug 4 06:08:36 GMT 2005


On Thu, Aug 04, 2005 at 10:02:51AM +0400, Andrey Chernov wrote:
> No surprize. Single read can be consider as sort of "atomic" operation.
> But between read & seek character device itself can move its pointer in 
> anyplace.

No only move the pinter, but change contents too. Consider reading 
/dev/mem

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