[RFC] qemu: monitor: do not report error on shutdown

[Christian Ehrhardt <christian.ehrhardt@xxxxxxxxxxxxx>]

If a shutdown is expected because it was triggered via libvirt we can
also expect the monitor to close. In those cases do not report an
internal error like:
  "internal error: End of file from qemu monitor"

Signed-off-by: Christian Ehrhardt <christian.ehrhardt@xxxxxxxxxxxxx>
---
 src/qemu/qemu_monitor.c | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/src/qemu/qemu_monitor.c b/src/qemu/qemu_monitor.c
index d71f84c..352cc8a 100644
--- a/src/qemu/qemu_monitor.c
+++ b/src/qemu/qemu_monitor.c
@@ -63,6 +63,7 @@ struct _qemuMonitor {
     int fd;
     int watch;
     int hasSendFD;
+    int willhangup;
 
     virDomainObjPtr vm;
 
@@ -691,8 +692,10 @@ qemuMonitorIO(int watch, int fd, int events, void *opaque)
         if (events & VIR_EVENT_HANDLE_HANGUP) {
             hangup = true;
             if (!error) {
-                virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
-                               _("End of file from qemu monitor"));
+                if (!mon->willhangup) {
+                    virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
+                                   _("End of file from qemu monitor"));
+                }
                 eof = true;
                 events &= ~VIR_EVENT_HANDLE_HANGUP;
             }
@@ -731,7 +734,7 @@ qemuMonitorIO(int watch, int fd, int events, void *opaque)
         if (mon->lastError.code != VIR_ERR_OK) {
             /* Already have an error, so clear any new error */
             virResetLastError();
-        } else {
+        } else if (!mon->willhangup) {
             virErrorPtr err = virGetLastError();
             if (!err)
                 virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
@@ -1282,6 +1285,7 @@ qemuMonitorEmitShutdown(qemuMonitorPtr mon)
 {
     int ret = -1;
     VIR_DEBUG("mon=%p", mon);
+    mon->willhangup = 1;
 
     QEMU_MONITOR_CALLBACK(mon, ret, domainShutdown, mon->vm);
     return ret;
-- 
2.7.4

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