Article View: comp.bugs.4bsd
Article #219Re: rlogin -8 uses RAW rather than CBREAK mode
From: Chris Torek
Date: Mon, 24 Dec 1990 15:01
Date: Mon, 24 Dec 1990 15:01
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1242 bytes
barmar@think (Barry Margolin) asks why -8 uses RAW, not CBREAK. In article <88236@lll-winken.LLNL.GOV> casey@gauss.llnl.gov (Casey Leedom) answers: > "-8" is used to implement an 8-bit transparent link. Allowing START >and STOP character processing would defeat that purpose. .. Well, yes and no. The real reason rlogin -8 uses RAW is that it was coded under 4.2BSD, where raw mode was the only way to get 8 bits. LPASS8 appeared in 4.3BSD (imported from Utah). Now that 4BSD has a POSIXified tty driver, all of this should be redone. But when the new ``bstreams'' code is working things may change again anyway. -- In-Real-Life: Chris Torek, Univ of MD Comp Sci Dept (+1 301 454 7163) Domain: chris@cs.umd.edu Path: uunet!mimsy!chris
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Path: arc1-ca.pugleaf.net!utzoo!mnetor!tmsoft!torsqnt!news-server.csri.toronto.edu!cs.utexas.edu!tut.cis.ohio-state.edu!purdue!haven!mimsy!chris From: chris@mimsy.umd.edu (Chris Torek) Newsgroups: comp.bugs.4bsd Subject: Re: rlogin -8 uses RAW rather than CBREAK mode Message-ID: <28775@mimsy.umd.edu> Date: 24 Dec 90 15:01:30 GMT References: <1990Dec21.001643.14510@Think.COM> <88236@lll-winken.LLNL.GOV> Organization: U of Maryland, Dept. of Computer Science, Coll. Pk., MD 20742 Lines: 17