On 11/01/2016 09:33, Michael Tokarev wrote: > 11.12.2015 14:29, Ashley Jonathan wrote: >> I have experienced a minor difficulty using QEMU with the "-serial pty" >> option: >> >> If a process opens the slave pts device, writes data to it, then immediately >> closes it, the data doesn't reliably get delivered to the emulated serial >> port. This seems to be because a read of the master pty device returns EIO >> on Linux if no process has the pts device open, even when data is waiting >> "in the pipe". >> >> A fix seems to be for QEMU to keep the pts file descriptor open until the >> pty is closed, as per the below patch. > > The patch looks fine, so > > Reviewed-by: Michael Tokarev <m...@tls.msk.ru> > > but I'd love to have an ACK from the maintainer about this one, > or for it to pick it up.
Ok, I'll pick it up after I've read up a bit more on PTYs. Paolo