From owner-freebsd-arch  Wed Jan  3 20:47: 5 2001
From owner-freebsd-arch@FreeBSD.ORG  Wed Jan  3 20:47:04 2001
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Date: Thu, 4 Jan 2001 15:47:27 +1100 (EST)
From: Bruce Evans <bde@zeta.org.au>
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To: Alexander Langer <alex@big.endian.de>
Cc: arch@FreeBSD.ORG
Subject: Re: (fwd) getnanouptime() patch
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On Wed, 3 Jan 2001, Alexander Langer wrote:

> Thus spake Bruce Evans (bde@zeta.org.au):
> 
> > > #ifdef KTR
> > >         if (tc == NULL) {               /* called before initialization */
> > >                 ts->tv_sec = 0;
> > >                 ts->tv_nsec = 0;
> > >                 return;
> > >         }
> > > #endif
> > This is bogus at best.  `timecounter' is never NULL unless there is a bug
> > switching it.
> 
> Would someone then please change that?

phk removed it.

> A check if (timecounter == &dummy_timecounter) is the correct one
> (IMHO), as shown in the tc_init() function.

No.  The purpose of dummy_timecounter is to avoid the need for code like
the above.

Bruce



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