Date: Wed, 12 Apr 1995 17:12:06 -0700 (PDT) From: Poul-Henning Kamp <phk@ref.tfs.com> To: nate@trout.sri.MT.net (Nate Williams) Cc: bde@zeta.org.au, CVS-commiters@freefall.cdrom.com, cvs-sys@freefall.cdrom.com Subject: Re: cvs commit: src/sys/i386/isa sio.c Message-ID: <199504130012.RAA10936@ref.tfs.com> In-Reply-To: <199504122346.RAA15739@trout.sri.MT.net> from "Nate Williams" at Apr 12, 95 05:46:37 pm
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> > > > > Dropping into the debugger when a break comes down the serial line is a > > > > >MISFEATURE (1st class)< and has been put under it's own #ifdef. This > > > > should be a magic sequence of chars instead. > > > > > > A magic sequence of chars would be a misfeature, as it would be for > > > syscons. The escape should be out of bounds (perhaps it should optionally > > > be break && some combination of the modem status lines). > > > > No, we want something you can send on a modem... > > Why is break a bad thing? Any magic sequence of chars is *worse* since Break is a bad thing because if you turn the other end off you get a break. The correct thing is a BREAK followed by a magic sequence. A standalone break is stupid, as people who have run serial consoles on Sun's know. Reset your wyse terminal and your computer panics... -- Poul-Henning Kamp <phk@login.dknet.dk> -- TRW Financial Systems, Inc. 'All relevant people are pertinent' && 'All rude people are impertinent' => 'no rude people are relevant'
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