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Re: term & user space console
From: |
Marcus Brinkmann |
Subject: |
Re: term & user space console |
Date: |
Thu, 31 Jan 2002 20:35:34 +0100 |
User-agent: |
Mutt/1.3.27i |
On Thu, Jan 31, 2002 at 02:11:23PM -0500, Roland McGrath wrote:
> > Do I use a third thread for assert_dtr? If I need to assert the dtr, the
> > only strategy I can think of is to open in blocking mode. However, if I use
> > synchronous RPC, this is better done in a seperate thread. I don't know how
> > to assert the dtr otherwise.
>
> You don't need an additional thread, because you are never reading or
> writing while keeping DTR low (you can't, since the way you keep DTR low is
> to close the terminal).
Well, ok, so I can probably put this into the reader loop, but then I
finally have to learn about interruptible RPCs, as I will have to interrupt
a blocking read then. ;)
> But anyway, I think you can just control DTR directly like other modem
> lines with TIOCM*.
I can make such requests, but how do I find out that the carrier really has
been established? (Also, it would not allow servers to implement the open
behaviour but not the tiocl bit mangling).
Thanks,
Marcus
--
`Rhubarb is no Egyptian god.' Debian http://www.debian.org brinkmd@debian.org
Marcus Brinkmann GNU http://www.gnu.org marcus@gnu.org
Marcus.Brinkmann@ruhr-uni-bochum.de
http://www.marcus-brinkmann.de
- Re: term & user space console, (continued)
- Re: term & user space console, Marcus Brinkmann, 2002/01/30
- Re: term & user space console, Niels Möller, 2002/01/31
- Re: term & user space console, Thomas Bushnell, BSG, 2002/01/31
- Re: term & user space console, Marcus Brinkmann, 2002/01/31
- Re: term & user space console, Thomas Bushnell, BSG, 2002/01/31
- Re: term & user space console, Marcus Brinkmann, 2002/01/31
- Re: term & user space console, Roland McGrath, 2002/01/31
- Re: term & user space console,
Marcus Brinkmann <=
- Re: term & user space console, Roland McGrath, 2002/01/31
- Re: term & user space console, Thomas Bushnell, BSG, 2002/01/31
- Re: term & user space console, Marcus Brinkmann, 2002/01/31
- Re: term & user space console, Thomas Bushnell, BSG, 2002/01/31
- Re: term & user space console, Marcus Brinkmann, 2002/01/31
- Re: term & user space console, Thomas Bushnell, BSG, 2002/01/31
- Re: term & user space console, Thomas Bushnell, BSG, 2002/01/31