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QMP: add server mode to QEMUMonitorProtocol
QEMU supports socket chardevs that establish connections like a server or a client. The QEMUMonitorProtocol class only supports connecting as a client. It is not possible to connect race-free when launching QEMU since trying to connect before QEMU has bound and is listening on the socket results in failure. Add the QEMUMonitorProtocol(server=True) argument to bind and listen on the socket. The QEMU process can then be launched and connects to the already existing QMP socket without a race condition: qmp = qmp.QEMUMonitorProtocol(monitor_path, server=True) popen = subprocess.Popen(args) qmp.accept() Signed-off-by: Stefan Hajnoczi <email@example.com> Signed-off-by: Luiz Capitulino <firstname.lastname@example.org>
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