[Xen-devel] [PATCH 2 of 5] Disallow xm save -c unless the guest advertises that it is resumable

[Brendan Cully <brendan@xxxxxxxxx>]

# HG changeset patch
# User Brendan Cully <brendan@xxxxxxxxx>
# Date 1168642934 28800
# Node ID fda11d9e5241eccd3c103e9b6a42ea33dd236174
# Parent  34a989337172b3df09a8b10089d4471a026bb613
Disallow xm save -c unless the guest advertises that it is resumable.

Signed-off-by: Brendan Cully <brendan@xxxxxxxxx>

diff -r 34a989337172 -r fda11d9e5241 tools/python/xen/xend/XendDomain.py
--- a/tools/python/xen/xend/XendDomain.py       Fri Jan 12 15:00:19 2007 -0800
+++ b/tools/python/xen/xend/XendDomain.py       Fri Jan 12 15:02:14 2007 -0800
@@ -1196,6 +1196,10 @@ class XendDomain:
             if dominfo.getDomid() == DOM0_ID:
                 raise XendError("Cannot save privileged domain %i" % domid)
 
+            if checkpoint:
+                resumable = dominfo.readDom("control/feature-resumable")
+                if not resumable:
+                    raise XendError("Guest does not support checkpointing")
             fd = os.open(dst, os.O_WRONLY | os.O_CREAT | os.O_TRUNC)
             try:
                 XendCheckpoint.save(fd, dominfo, False, False, dst,

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel