> My response to the above is that similar functionality could be gained
> with a combination of select() and non-blocking IO. However, this
> combination would seem to generate excessive context switches and
> user<->kernel space transfers, and non-blocking IO is not particularly
> useful for disk files. It does have the advantage of getting immediate
> error reporting however...
select() will not work: it returns 'always ready' for disk files.
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