Date: Mon, 2 Jun 2008 16:47:44 +0200 From: Ed Schouten <ed@80386.nl> To: John E Hein <jhein@timing.com> Cc: freebsd-emulation@freebsd.org, philip@freebsd.org Subject: Re: Linux major/minor conversion not entirely correct Message-ID: <20080602144744.GU64397@hoeg.nl> In-Reply-To: <18500.1974.681847.564212@gromit.timing.com> References: <20080602073152.GO64397@hoeg.nl> <18500.1974.681847.564212@gromit.timing.com>
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--B4kTqtjDNMSIbfiv Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable * John E Hein <jhein@timing.com> wrote: > Ed Schouten wrote at 09:31 +0200 on Jun 2, 2008: > > + /* > > + * Linux checks major and minors of the slave device > > + * to make sure it's a pty device, so let's make him > > + * believe it is. > > + */ > > + devno =3D strtoul(node + strlen("pts/"), NULL, 10); > > + *major =3D 136 + (devno / 256); > > + *minor =3D devno % 256; > > + return 0; >=20 > Where does the magic number 136 come from? Linux uses major numbers 136,137,138,... for PTY's. --=20 Ed Schouten <ed@80386.nl> WWW: http://80386.nl/ --B4kTqtjDNMSIbfiv Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (FreeBSD) iEYEARECAAYFAkhECBAACgkQ52SDGA2eCwV6AQCeMYE8lwW2+ue8pdziJ9Ol7SR7 XD4An1VqSVk0raWiZo8qEEe9fmieoYFI =33dv -----END PGP SIGNATURE----- --B4kTqtjDNMSIbfiv--
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