Date: Tue, 3 Nov 2009 18:24:52 +0100 From: Ed Schouten <ed@80386.nl> To: alc@freebsd.org Cc: freebsd-hackers@freebsd.org, Alexander Best <alexbestms@math.uni-muenster.de> Subject: Re: mmap(2) with MAP_ANON honouring offset although it shouldn't Message-ID: <20091103172452.GU1293@hoeg.nl> In-Reply-To: <ca3526250910211051v2fef55e7yda262a58df200751@mail.gmail.com> References: <permail-200910211551041e86ffa80000182a-a_best01@message-id.uni-muenster.de> <ca3526250910211051v2fef55e7yda262a58df200751@mail.gmail.com>
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--QU0xYvH/CPhunj+E Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi Alan, * Alan Cox <alan.l.cox@gmail.com> wrote: > The standards for mmap(2) actually disallow values of "off" that are not a > multiple of the page size. >=20 > See http://www.opengroup.org/onlinepubs/000095399/functions/mmap.html for > the following: > <snip> Just by accident I saw they changed that behaviour in a newer version of the spec: http://www.opengroup.org/onlinepubs/9699919799/functions/mmap.html --=20 Ed Schouten <ed@80386.nl> WWW: http://80386.nl/ --QU0xYvH/CPhunj+E Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (FreeBSD) iEYEARECAAYFAkrwZ2QACgkQ52SDGA2eCwUcLQCdHKgsqlj9Os02xLoBxGLYB3NJ bIsAnR1aU8d47nSwDpMeVWJZraH+5PI0 =+88j -----END PGP SIGNATURE----- --QU0xYvH/CPhunj+E--
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