Date: Mon, 16 Oct 2006 09:21:31 +0800 From: Cheng-Lung Sung <clsung@FreeBSD.org> To: Bruce Evans <bde@zeta.org.au> Cc: freebsd-current@FreeBSD.org, freebsd-bugs@FreeBSD.org, Cheng-Lung Sung <clsung@FreeBSD.org>, FreeBSD-gnats-submit@FreeBSD.org, freebsd-hackers@FreeBSD.org Subject: Re: kern/104436: [PATCH] sys/sem.h should include sys/types.h Message-ID: <20061016012131.GA22894@FreeBSD.csie.nctu.edu.tw> In-Reply-To: <20061016011559.W61639@delplex.bde.org> References: <20061015135710.A28897E98D@FreeBSD.csie.nctu.edu.tw> <20061016011559.W61639@delplex.bde.org>
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On Mon, Oct 16, 2006 at 01:21:59AM +1000, Bruce Evans wrote:
> On Sun, 15 Oct 2006, Cheng-Lung Sung wrote:
>=20
> >System: FreeBSD.csie.nctu.edu.tw 6.1-STABLE FreeBSD 6.1-STABLE #9: Thu M=
ay=20
> >11 14:31:45 CST 2006 =20
> >root@FreeBSD.csie.nctu.edu.tw:/home/usr.obj/usr/src/sys/FREEBSD i386
> >
> >>Description:
> >- sys/sem.h has included sys/ipc.h, which includes sys/_types.h
> > but it (and its including files) does not include sys/types.h
> >- therefore, in sys/sem.h struct semid_ds declares "time_t sem_otime;"=
=20
> >...etc
> >- if we only compile a program which do not include sys/types.h, it will=
=20
> >fail.
>=20
> Including sys/types.h would add lots of namespace pollution which
> sys/ipc.h and sys/sem.h are trying hard to avoid. sem.h is trying too
> hard -- POSIX requires it to declare time_t (and pid_t, key_t and size_t,
> which it already declares).
>=20
> Bruce
You're right, I should try to pass COMMON_HEADERS to ruby-sysipc=20
instead of polluting namespace.
Thanks,
--=20
Cheng-Lung Sung - clsung@
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