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From: Geoff Collyer <geoff@collyer.net>
To: 9fans@cse.psu.edu
Subject: Re: [9fans] port/devcons.c is not port-able
Date: Tue, 13 Jul 2004 18:24:11 -0700	[thread overview]
Message-ID: <882fc2f9657e61ebdecf99c01a858855@collyer.net> (raw)
In-Reply-To: <Pine.LNX.4.44.0407130730580.6196-100000@maxroach.lanl.gov>

I believe that the idea of console printing (if not input) is that the
mechanism should be simple so that when the system is in trouble, it
can still get a message out about the nature of the trouble.  So the
more mechanism needed to get characters printed, the less likely that
goal is to be achieved.  In particular, you'd really like the kernel
to not block for long waiting for console output.  Admittedly there's
a fair bit of mechanism already.

If only every PC came with a DECwriter attached as its console device. ☺



  reply	other threads:[~2004-07-14  1:24 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-07-13 13:57 ron minnich
2004-07-14  1:24 ` Geoff Collyer [this message]
2004-07-14  2:10   ` ron minnich
2004-07-14  2:30     ` Geoff Collyer
2004-07-14  2:47       ` ron minnich
2004-07-14  2:34     ` andrey mirtchovski
2004-07-14  2:47       ` ron minnich
2004-07-14  2:51         ` Kenji Okamoto
2004-07-14  4:40           ` Dan Cross
2004-07-14 13:33           ` OT: " Dave Lukes
2004-07-14 14:08             ` ron minnich
2004-07-14 15:31               ` Jack Johnson
2004-07-14  5:00         ` Skip Tavakkolian
2004-07-14 10:34         ` matt
2004-07-14 14:04           ` ron minnich
2004-07-14 14:04           ` Dave Lukes
2004-07-14 15:03             ` ron minnich
2004-07-14 16:13               ` boyd, rounin
2004-07-14 14:52           ` boyd, rounin
2004-07-14  2:49       ` Kenji Okamoto
2004-07-14  4:36       ` Dan Cross
2004-07-14  2:38     ` Kenji Okamoto
2004-07-14  2:49       ` ron minnich
2004-07-14  5:15         ` Geoff Collyer
2004-07-14  6:36           ` Geoff Collyer
2004-07-14 13:47           ` ron minnich
2004-07-14 18:29             ` Dan Cross
2004-07-14 18:53               ` boyd, rounin
2004-07-14 19:42               ` ron minnich
2004-07-14 20:14                 ` Charles Forsyth
2004-07-14 20:19                 ` Frank Palazzolo
2004-07-14 20:18                   ` Charles Forsyth
2004-07-14 21:06                     ` Geoff Collyer
2004-07-14 21:31                   ` boyd, rounin
2004-07-14  4:31 ` Dan Cross
     [not found] <00aba352392cbadebd943e05d1e17412@plan9.ucalgary.ca>
2004-07-15  3:14 ` Geoff Collyer

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