Date: Mon, 4 Jun 2001 12:36:18 -0700 From: Jim Pirzyk <Jim.Pirzyk@disney.com> To: Poul-Henning Kamp <phk@critter.freebsd.dk> Cc: freebsd-arch@FreeBSD.ORG Subject: Re: sysctl interger type max Message-ID: <01060412361804.00744@snoopy> In-Reply-To: <61123.991682795@critter> References: <61123.991682795@critter>
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On Monday 04 June 2001 12:26 pm, Poul-Henning Kamp wrote:
> In message <01060412242703.00744@snoopy>, Jim Pirzyk writes:
> >In sysctl(8), you can set an integer type, but the max value
> >an int can be is 2 * N-1 where N is the size of int. This leads
> >to a problem when trying to set kern.hostid and the number is
> >greater that 2GB on an IA32 system. So my question is should
> >CTLTYPE_INT be treated as a long or some other larger numeric
> >number? Or should we declare some CLTYPE_UINT type?
>
> We do have an SYSCTL_UINT these days.
Yes for establishing the oid in the kernel, but sysctl command
line is limited to 2 * 31 bits even if the variable is set to
CLTYPE_{UINT|LONG|ULONG}. This means you cannot set the variables
to a possible range of values.
- JimP
--
--- @(#) $Id: dot.signature,v 1.10 2001/05/17 23:38:49 Jim.Pirzyk Exp $
__o Jim.Pirzyk@disney.com ------------- pirzyk@freebsd.org
_'\<,_ Senior Systems Engineer, Walt Disney Feature Animation
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