On 01/17/2012 12:33 PM, Stefan Hajnoczi wrote:
I was wondering about a qemu-side solution where a closed qtest socket means we need to shut down, but am not sure if the chardev code lets us do that. (Really we want POLLHUP but we only seem to have POLLIN/POLLOUT handlers.)
For poll, both POLLIN and POLLOUT are always reported together with POLLHUP. I think the same happens with select(). If you get a zero-read in the qtest chardev handler you can shut down.
Paolo
