[libvirt] [PATCH 1/2] qemu: Warn on possibly incorrect usage of EnterMonitor*

[Michal Privoznik]

The qemuDomainObjEnterMonitor() should not be called from without
a job set. Catch this error and produce a warning message if such
call occurred.

Signed-off-by: Michal Privoznik <mprivozn at redhat.com>
---
 src/qemu/qemu_domain.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/qemu/qemu_domain.c b/src/qemu/qemu_domain.c
index 667cc89072..4661deb027 100644
--- a/src/qemu/qemu_domain.c
+++ b/src/qemu/qemu_domain.c
@@ -8682,6 +8682,11 @@ qemuDomainObjEnterMonitorInternal(virQEMUDriverPtr driver,
     } else if (priv->job.asyncOwner == virThreadSelfID()) {
         VIR_WARN("This thread seems to be the async job owner; entering"
                  " monitor without asking for a nested job is dangerous");
+    } else if (priv->job.owner != virThreadSelfID()) {
+        VIR_WARN("Entering a monitor without owning a job. "
+                 "Job %s owner %s (%llu)",
+                 qemuDomainJobTypeToString(priv->job.active),
+                 priv->job.ownerAPI, priv->job.owner);
     }
 
     VIR_DEBUG("Entering monitor (mon=%p vm=%p name=%s)",
-- 
2.23.0