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From: Ulrich Drepper <drepper@redhat.com>
To: James A Griffin <agriffin@cpcug.org>
Cc: Ramsey Wally Contr AFRL/IFEB <Wally.Ramsey@rl.af.mil>,
	"'NSA SELinux Mailing List'" <selinux@tycho.nsa.gov>
Subject: Re: Linux and Posix compliance
Date: 16 Jul 2001 13:10:43 -0700	[thread overview]
Message-ID: <m3hewcprcs.fsf@otr.mynet> (raw)
In-Reply-To: James A Griffin's message of "Mon, 16 Jul 2001 14:49:23 -0400"

James A Griffin <agriffin@cpcug.org> writes:

> One thing that I have noticed for years is the boot time message "POSIX
> conformance testing by UNIFIX".  The message appears just after the CPU
> testing and before the PCI: Probe.  UNIFIX is a UK company, IIRC.  What
> the results of the "conformance testing" are, I do not know.

I think (and hope) they've finally removed this output.  It never was
true and is anyway completely outdated.

There hasn't been any formal POSIX testing done.  The reason is
simple: who'd pay this?  POSIX testing is done by the certification
labs which charge enormous amounts of money for this.

The kernel people has done tests based on available standard tests
occasionally.  I've done for the C library quite some testing and
wrote many tests myself.  This still does not guarantee compliance,
though.


As for use in government and military.  The current route seems to be
to get for Linux the same kind of exception which exists for NT.  NT
does not conform to POSIX either and can be used.  You might want to
check your appropriate standardization bureau about the status of
this.

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Ulrich Drepper  \    ,-------------------'   \  Sunnyvale, CA 94089 USA
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  reply	other threads:[~2001-07-16 20:15 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-07-16 18:02 Linux and Posix compliance Ramsey Wally Contr AFRL/IFEB
2001-07-16 18:49 ` James A Griffin
2001-07-16 20:10   ` Ulrich Drepper [this message]
2001-07-16 22:11     ` James A Griffin
2001-07-16 22:30     ` Christoph Hellwig
  -- strict thread matches above, loose matches on Subject: below --
2001-07-16 21:02 Weaver, Mike D (N-CSC)
2001-07-16 21:14 ` Ulrich Drepper
     [not found] <5.0.2.1.2.20010717000846.01f728e0@mail00708.popserver.pop.net>
2001-07-17  8:12 ` Andrew Josey
     [not found] <5.0.2.1.2.20010717000931.01f74680@mail00708.popserver.pop.net>
2001-07-17  8:26 ` Andrew Josey

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