Unix Programming - Re: Linux: two processes read/write on single serial port

Author

Re: Linux: two processes read/write on single serial port

Steven Woody

2007-05-17, 1:19 am

On May 17, 1:32 am, j...@toerring.de (Jens Thoms Toerring) wrote:
> Steven Woody <narkewo...@gmail.com> wrote:
>
> I don't see any reason at the moment why you shouldn't be able to
> open the same serial port from one process in read mode and from
> another in write mode. As far as I can see there shouldn't be any
> difference to one process opening in read/write mode. On the other
> hand I haven't tried it myself...
>
> Regards, Jens
> --
> \ Jens Thoms Toerring ___ j...@toerring.de
> \__________________________ http://toerring.de

actually, each process need both read and write. what process A read
comes from what process B write, and what process A write becomes what
process B read.