On Apr 26 11:48, Ryan Johnson wrote: > Hi all, > > I'm trying to connect a VirtualBox guest's serial port to something > that cygwin/gdb can access for remote debugging, and am having > trouble connecting the pieces... > > One post from a couple of years ago [1] suggests using /dev/ttyS* to > access COM ports. This would work great... except there are no > /dev/ttyS* on my install.
If the VM has a virtual HW serial port configured, you should see a /dev/ttyS0 entry. If it's not there, you didn't configure it. Cygwin in the guest can only access what is available in the guest OS. If there's a COM1, Cygwin has a /dev/ttyS0. > The other VirtualBox option is to create a named pipe (as in Windows > NPFS), and then wrap it into a pty using socat [2], but I can't > figure out how to access such a pipe from cygwin -- the "\\.\pipe\*" > path doesn't seem to be supported by cygpath and there's nothing > obvious in /dev/. I don't know how that's supposed to work, but you could try to connect it via /proc/sys/Device/NamedPipe/<name-of-named-pipe> No guarantee that it works, though. Corinna -- Corinna Vinschen Please, send mails regarding Cygwin to Cygwin Project Co-Leader cygwin AT cygwin DOT com Red Hat -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple
