problem comport, iocl and FIONREAD
Brian Dessent
brian@dessent.net
Wed Dec 31 02:49:00 GMT 2003
Arash Partow wrote:
>
> Hi all,
>
> I'm seeing a problem with ioctl and FIONREAD, I use the
> following code to check if there are any bytes in the
> input buffer of a comport.
> ie:
Check the return value of ioctl(), I bet it's returning error and
setting EINVAL. I think you want TIOCINQ instead. At least,
fhandler_serial.cc recognises such an ioctl, but not FIONREAD.
Brian
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