From: Keir Fraser <keir.fraser@citrix.com>
Date: Tue, 7 Apr 2009 09:14:35 +0000 (+0100)
Subject: xend: fix leak of /local/domain/* in xenstore
X-Git-Tag: archive/raspbian/4.8.0-1+rpi1~1^2~13988^2~25
X-Git-Url: https://dgit.raspbian.org/%22http:/www.example.com/cgi/%22https:/%22bookmarks://%22Dat/%22http:/www.example.com/cgi/%22https:/%22bookmarks:/%22Dat?a=commitdiff_plain;h=94bacaf76d0c10ec1a56ad34ddaece7e981a3ce8;p=xen.git

xend: fix leak of /local/domain/* in xenstore

xenwatch thread _storeChanged() may create /local/domain/<domid>
entries in xenstore even after the domain has shutdown.

Signed-off-by: Kouya Shimura <kouya@jp.fujitsu.com>
---

diff --git a/tools/python/xen/xend/XendDomainInfo.py b/tools/python/xen/xend/XendDomainInfo.py
index 644831b87d..17ed7dac11 100644
--- a/tools/python/xen/xend/XendDomainInfo.py
+++ b/tools/python/xen/xend/XendDomainInfo.py
@@ -1634,7 +1634,13 @@ class XendDomainInfo:
         if changed:
             # Update the domain section of the store, as this contains some
             # parameters derived from the VM configuration.
-            self._storeDomDetails()
+            self.refresh_shutdown_lock.acquire()
+            try:
+                state = self._stateGet()
+                if state not in (DOM_STATE_SHUTDOWN, DOM_STATE_HALTED,):
+                    self._storeDomDetails()
+            finally:
+                self.refresh_shutdown_lock.release()
 
         return 1