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Date:      Tue, 30 Jan 2001 05:27:03 +0200 (EET)
From:      Juha.Nurmela@quicknet.inet.fi
To:        freebsd-hardware@freebsd.org
Subject:   sio RTS stays asserted after close
Message-ID:  <Pine.BSF.4.10.10101300429580.5176-100000@pena.oh5nxo.ampr.org>

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Hello,

Noticed that serial port RTS does not drop inactive when
a sio-device is closed. DTR does drop. I suppose the hupcl 'modem
disconnect' operation does not necessarily require RTS to drop,
still, isn't it a bit silly to leave RTS high when DTR goes low
in this case ? This omission might be intentional, fine then.


Also noticed there were issues with DTR getting overwritten whenever line
is reconfigured (comparam()). This will not bite if the termios are
set initially by a program and then only reads, writes and TIOCMBIC/BIS 
are used, by this single program only ? (meaning, no spontaneous
comparams happen ? (console is elsewhere))


Thanks,
Juha



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