Date: Thu, 20 Dec 2001 13:12:44 -0800 (PST) From: Julian Elischer <julian@elischer.org> To: Poul-Henning Kamp <phk@critter.freebsd.dk> Cc: Bruce Evans <bde@zeta.org.au>, Peter Wemm <peter@freebsd.org>, cvs-committers@freebsd.org, cvs-all@freebsd.org Subject: Re: cvs commit: src/sys/alpha/alpha pmap.c src/sys/i386/i386 pmap.c src/sys/ia64/ia64 pmap.c Message-ID: <Pine.BSF.4.21.0112201306470.46573-100000@InterJet.elischer.org> In-Reply-To: <667.1008876572@critter.freebsd.dk>
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On Thu, 20 Dec 2001, Poul-Henning Kamp wrote:
> In message <20011221005726.Q884-100000@gamplex.bde.org>, Bruce Evans writes:
> >On Wed, 19 Dec 2001, Peter Wemm wrote:
> >
> >> Replace a bunch of:
> >> for (pv = TAILQ_FIRST(&m->md.pv_list);
> >> pv;
> >> pv = TAILQ_NEXT(pv, pv_list)) {
> >> with:
> >> TAILQ_FOREACH(pv, &m->md.pv_list, pv_list) {
> >>
> >This is a regression IMO. Please write C programs in something
> >resembling C.
>
> This is an improvement IMO. Please use whatever means we have to
> improve readability of our source code.
>
for my own purposes I tend to define an iterator for each kind of queue I
have, e.g.
FOREACH_PROC_IN_SYSTEM(p)
and
FOREACH_THREAD_IN_PROC(p, td)
because then I can change them everywhere easily and I think it's easier
to read than
TAILQ_FOREACH(p, &allprocs, p_procq) {}
JM2cW
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