[virt-who] Fix crash on SIGHUP signal when system is being unregistered

[Radek Novacek]

commit 887d164740bb39399bd3b8119973846a40cda02f
Author: Radek Novacek <rnovacek(a)redhat.com&gt;
Date:   Fri May 16 11:10:29 2014 +0200

    Fix crash on SIGHUP signal when system is being unregistered

 virt-who.py |    8 +++++++-
 1 files changed, 7 insertions(+), 1 deletions(-)
---
diff --git a/virt-who.py b/virt-who.py
index 3bc12ed..9262ebc 100644
--- a/virt-who.py
+++ b/virt-who.py
@@ -264,7 +264,13 @@ class VirtWho(object):
             pass
         self.virt = None
         self.subscriptionManager = None
-        self.checkConnections()
+        try:
+            self.checkConnections()
+        except (KeyboardInterrupt, SystemExit):
+            raise
+        except Exception, e:
+            exceptionCheck(e)
+            pass
         self.logger.debug("virt-who configution reloaded")
         self.doReload = False