svn commit: r247710 - projects/calloutng/sys/kern

John Baldwin jhb at freebsd.org
Mon Mar 4 20:22:08 UTC 2013


On Monday, March 04, 2013 3:17:30 pm Davide Italiano wrote:
> On Mon, Mar 4, 2013 at 4:40 PM, John Baldwin <jhb at freebsd.org> wrote:
> > On Sunday, March 03, 2013 8:39:54 am Davide Italiano wrote:
> >> Author: davide
> >> Date: Sun Mar  3 13:39:54 2013
> >> New Revision: 247710
> >> URL: http://svnweb.freebsd.org/changeset/base/247710
> >>
> >> Log:
> >>   - Use TRUE/FALSE in lieu of 0/1 for boolean_t variables.
> >
> > We have stdbool in the kernel.  Why not use that instead of the Machish
> > boolean_t?
> >
> > --
> > John Baldwin
> 
> It was originally int, and a couple of days ago Attilio suggested to
> move to 'boolean_t'.
> Honestly, I didn't argue due to the relative little relevance of the
> change, but actually I find the type change more explicative.
> I have no strong objections to change it again (in particular because
> I think you're suggesting to use bool to be C99 compliant, feel free
> to correct me if I'm wrong).
> 
> While here. After closer looking I realized boolean_t is widely used
> in the kernel (e.g. sys/kern/). Is this just a common error or is
> there something I'm missing?

No, it's just older and bool is C99 as you noticed.  I had thought that
boolean_t was largely regulated to code from Mach (i.e. sys/vm) and that
we should use bool for new code.

-- 
John Baldwin


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