Serial port conformance tests

[Alexandre Julliard]

Chris Teague <chris.teague at gmail.com> writes:

> I'm new to wine, looking into serial communications.  I have a failing
> scenario in a application, and I'd like to write a conformance test to
> demonstrate/document the issue.  I looked in dlls/ntdll/tests but did
> not see any serial port related tests - did I miss them or do none
> exist yet?  Assuming none exist, a very useful tool would be a serial
> port loopback device.  Rather than require conformance testers to
> attach a hardware loopback device (NULL modem) to a physical port,
> could we create some virtual ports in wine and connect them together?
> Maybe com98 and com99 for example?  Anything written to one of the
> ports would be sent to the other one.  On Windows this can be done
> with a device driver, one example is com0com
> (http://com0com.sourceforge.net/).
> Is this a reasonable approach?  Thanks,

Serial data and ioctls are forwarded straight to the kernel, so you'd
need to put the loopback driver in the kernel, not in Wine.

-- 
Alexandre Julliard
julliard at winehq.org