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[libvirt] [PATCH] Fix loosing the pidfile string of struct _qemuDomainObjPrivate after libvirtd service restarted.



*src/qemu/qemu_domain.c (qemuDomainObjPrivateXMLFormat): Add codes of saving pidfile string to vm'state file.

*src/qemu/qemu_domain.c (qemuDomainObjPrivateXMLParse): Add codes of loading pidfile path saved in vm's state file to the pidfile string.

 

Signed-off-by: Xu Chao <xuchao1 huawei com>

---

src/qemu/qemu_domain.c | 8 ++++++++

1 file changed, 8 insertions(+)

 

diff --git a/src/qemu/qemu_domain.c b/src/qemu/qemu_domain.c

index 7f4d17d..3c792ab 100644

--- a/src/qemu/qemu_domain.c

+++ b/src/qemu/qemu_domain.c

@@ -294,6 +294,7 @@ qemuDomainObjPrivateXMLFormat(virBufferPtr buf, void *data)

                           virDomainChrTypeToString(priv->monConfig->type));

     }

+    virBufferEscapeString(buf, "  <pidfile path='%s'/>\n", priv->pidfile);

     if (priv->nvcpupids) {

         size_t i;

@@ -398,6 +399,13 @@ qemuDomainObjPrivateXMLParse(xmlXPathContextPtr ctxt, void *data)

         goto error;

     }

+    if (!(priv->pidfile =

+          virXPathString("string(./pid[1]/@path)", ctxt))) {

+        virReportError(VIR_ERR_INTERNAL_ERROR,

+                       "%s", _("no pidfile path"));

+        goto error;

+    }

+

     n = virXPathNodeSet("./vcpus/vcpu", ctxt, &nodes);

     if (n < 0)

         goto error;

 

Best Regards,

-WangYufei

 


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