Yes thankyou, that worked. :-))
--- In "tommessum" <> wrote:
>
> BTDT!
>
> My bet is that things will start to happen if you read one character at a
> time e.g. read(fd,buffer,1)
>
>
>
> --- In "Mike Jubes" <mjubes2008@> wrote:
> >
> >
> > Considering the recent posts on COM2 processing, I am having an odd problem
> > when setting VIM and VTIME on the tc attributes structure.
> >
> > I find that on a read() I can get the call to block, or not block at all.
> > But I can't get it to time out.
> >
> > e.g.
> >
> > If I set:
> > newtio.c_cc[VMIN] = N;
> > newtio.c_cc[VTIME] = 0;
> > Read will block until N characters are received, this is as expected.
> >
> > However, if I set:
> > newtio.c_cc[VMIN] = N;
> > newtio.c_cc[VTIME] = M;
> >
> > Read will still block until N characters are received, but the timeout
> > (m/10 seconds) never happens (even when at least one characters are
> > received) This is not expected behaviour.
> >
> > Similarly, if I set:
> > newtio.c_cc[VMIN] = 0;
> > newtio.c_cc[VTIME] = M;
> >
> > Read() returns non-blocking with no data (This is not expected behaviour,
> > the call should block and return after M/10 seconds)
> >
> > Any ideas?
> >
> >
> > Oddly enough, I have tried the above on the console COM1 (STDIN) and it
> > works, i.e. I can get the timeouts on input to work properly!
> >
> > PS I have modified /etc/inittab so that COM2 is not enabled as a console.
> >
>
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