Dear Libvirt Developers,
There seems to be a bug or at least a bad behavior in
`src/qemu/qemu_monitor.c' lines 683-689 function `qemuMonitorIO':
if (qemuMonitorIOWrite(mon) < 0) {
error = true;
if (errno == ECONNRESET)
hangup = true;
}
events &= ~VIR_EVENT_HANDLE_WRITABLE;
The `qemuMonitorIOWrite' is returning 0 in case 'write' returns EAGAIN thus
'events' is always cleared of `VIR_EVENT_HANDLE_WRITABLE' even in case no
message have been sent indeed.
The question is: who is responsible for handling this? It seems like
'errno' is getting overwritten inside all of qemuMonitorJSON* functions so
the caller can't rely on it and it needs to be fixed inside the
`qemuMonitorIO'.
Pavel
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