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Date: Tue, 17 Oct 1995 11:23:55 +1000
From: Bruce Evans <bde@zeta.org.au>
Message-Id: <199510170123.LAA17511@godzilla.zeta.org.au>
To: bde@zeta.org.au, mark@grondar.za
Subject: Re: Creating a /dev/random
Cc: hackers@FreeBSD.org
Sender: owner-hackers@FreeBSD.org
Precedence: bulk

I wrote:
>>> To avoid this, use the existing buffer `zbuf', which is freed correctly.
>>> There is no need for another variable - local variables are per process.
>                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>>> Perhaps `zbuf' should be renamed `buf'.

>>I don't understand something here - what happens if the one process is
>>reading both /dev/zero and /dev/random? will the two not then try to
>>share buf/zbuf and screw up?

>See above

Oops, I misread `one process'.  Well, one process can't be in the kernel
twice.

Bruce