Re: [HEADSUP] naming of tty devices.

From: Poul-Henning Kamp (phk_at_phk.freebsd.dk)
Date: 09/20/04

  • Next message: Vladimir Grebenschikov: "Re: [HEADSUP] naming of tty devices." 
    To: Roman Kurakin <rik@cronyx.ru>
Date: Mon, 20 Sep 2004 15:51:52 +0200

    In message <414EDF66.8030907@cronyx.ru>, Roman Kurakin writes:

    >>> Why not to add some general device enumeration for all devices,
    >>>especially
    >>>if devices would behave the same?
    >>>
    >>>tty%{global_port}
    >>>cua%{global_port}
    >>
    >>This doesn't work.
    >>
    >>There _are_ differences between serial devices and for instance
    >>PTYs or NMDM devices have very particular semantics.
    >>
    >but all tty devices have some generic abilities and behaviour, right?
    >(Sorry, I am a bit sio-centric, I didn't ever look inside ptys.)

    Yes, and those generic abilities is why I want systematic naming.

    But a global numbering gives you no way to know that tty234 is a PTY
    and tty235 is a USB device. 

    -- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk@FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.
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  • Next message: Vladimir Grebenschikov: "Re: [HEADSUP] naming of tty devices."