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SubjectRe: /dev/random probs in 2.4test(12-pre3)
Date
Followup to:  <Pine.LNX.4.21.0012022233440.11907-100000@server.serve.me.nl>
By author: Igmar Palsenberg <maillist@chello.nl>
In newsgroup: linux.dev.kernel
> Hmm.. Some came to mind :
>
> Making /dev/random block if the amount requirements aren't met makes sense
> to me. If I request x bytes of random stuff, and get less, I probably
> reread /dev/random. If it's entropy pool is exhausted it makes sense to be
> to block.
>

Yes, it does, but it doesn't make any sense to block if there are data
to be read. If you need a larger read then you should advance your
pointer and try again with the residual size, or use fread() which
does this for you.

-hpa
--
<hpa@transmeta.com> at work, <hpa@zytor.com> in private!
"Unix gives you enough rope to shoot yourself in the foot."
http://www.zytor.com/~hpa/puzzle.txt
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