svn commit: r230230 - head/sys/dev/random
mark at grondar.org
Mon Jan 30 11:40:34 UTC 2012
Andrey Chernov writes:
> On Thu, Jan 26, 2012 at 10:13:41PM +0400, Andrey Chernov wrote:
> > On Thu, Jan 26, 2012 at 12:52:43PM -0500, David Schultz wrote:
> > > Why complicate things with atomics at all? A race might result in
> > > arc4random(9) being seeded multiple times, but that's harmless.
> > Multiply seeding in line is harmless, just waste of time and resources.
> > Other case is one missing seeding when variable is set concurrently with
> > its read. I see no complication using atomic. Latest version is even
> > shorter than previous ones.
> Well, I almost forget about my special case: I have personal prohibition
> from @secteam (5 years old already) to commit anything to all RNG areas.
> So, the question is: could anyone of you commit some version from this
> thread, please?
Sure; I'll do it. Please give me your test code/cases.
> I don't insist of atomics in this sutuation, so you can peek any version
> you like.
I'll need to clearly see what works.
Mark R V Murray
Cert APS(Open) Dip Phys(Open) BSc Open(Open) BSc(Hons)(Open)
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