James Carlson <carls...@workingcode.com> wrote:
> TIOCMIWAIT, though, sounds like an interesting addition.
>
> The best you can do for TIOCMIWAIT is to open the /dev/cua/ node in
> blocking mode in order to wait for DCD assertion. There's no way to
> wait for any of the other input signals (such as CTS or RI).
It may sound interesting, but it is something that orevents reliable modem
usage.
/dev/cua/* and /dev/tty/* are implemented in Solaris in a way that either
allows to open /dev/cua/* or /dev/tty/* depending on whether there is a carrier
or not. If you do it in a different way, ingoing and outgoing programs may
confuse each other.
Jörg
--
EMail:jo...@schily.isdn.cs.tu-berlin.de (home) Jörg Schilling D-13353 Berlin
j...@cs.tu-berlin.de (uni)
joerg.schill...@fokus.fraunhofer.de (work) Blog:
http://schily.blogspot.com/
URL: http://cdrecord.berlios.de/private/ ftp://ftp.berlios.de/pub/schily
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