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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* 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 = strtoul(node + strlen("pts/"), NULL, 10);
> > + *major = 136 + (devno / 256);
> > + *minor = devno % 256;
> > + return 0;
>
> Where does the magic number 136 come from?
Linux uses major numbers 136,137,138,... for PTY's.
--
Ed Schouten <ed@80386.nl>
WWW: http://80386.nl/
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