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From: per@erix.ericsson.se (Per Hedeland)
Newsgroups: alt.sys.sun,comp.unix.internals
Subject: Re: ioctl's that flush typeahead on SunOS 4.0.3
Message-ID: <1990Nov6.111044.16048@eua.ericsson.se>
Date: 6 Nov 90 11:10:44 GMT
References: <43727@andante.att.com> <1990Oct31.212012.13776@usasoc.soc.mil>
Sender: news@eua.ericsson.se
Organization: Ellemtel Telecom Systems Labs, Stockholm, Sweden
Lines: 18

In article <1990Oct31.212012.13776@usasoc.soc.mil> ted@arsocomvax.socom.mil
(Ted Nolan) writes:

|>worked fine under SunOS 2.X and 3.X, but in 4.0.3 the ioctl (TIOCSETN
|>(bsd) == TCSETS (sysV)) that is documented NOT to flush the input
|>actually does flush it, and our application doesn't work.

|>Am I to gather this is still not fixed in 4.1?

As far as I can determine, the flushing of input that, contrary to
documentation, happened when TIOCSETN changed to/from CBREAK mode in 4.0.3,
is indeed fixed in 4.1, i.e. input does *not* get flushed. I have not tested
what happens when using the termio interface, though.

--Per Hedeland
per@erix.ericsson.se  or
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