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| H A D | char-serial.c | 76b004d1 Mon Feb 26 13:04:52 GMT 2018 Dr. David Alan Gilbert <dgilbert@redhat.com> serial: Open non-block
On a real serial device, the open can block if the handshake
lines are in a particular state. If a QEMU is passing the serial
device to the guest, the QEMU startup is blocked opening the device
(with a symptom seen as a timeout from libvirt).
Open the serial port with O_NONBLOCK.
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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