[PATH] ioemu: use SIGHUP instead of SIGKILL

[Samuel Thibault <samuel.thibault@eu.citrix.com>]

The stub domain device model needs to trap the termination signal so as
to actually destroy the stub domain.  SIGKILL can't be trapped, SIGTERM
is caught by SDL and so may be unnoticed.  SIGHUP can be trapped and is
not caught by SDL (and by default causes a process termination without
core).

Signed-off-by: Samuel Thibault <samuel.thibault@eu.citrix.com>

diff -r 2407a61c0d30 tools/python/xen/xend/image.py
--- a/tools/python/xen/xend/image.py	Mon Feb 04 11:04:13 2008 +0000
+++ b/tools/python/xen/xend/image.py	Mon Feb 04 11:04:32 2008 +0000
@@ -329,7 +329,7 @@ class ImageHandler:
             return
         if self.pid:
             try:
-                os.kill(self.pid, signal.SIGKILL)
+                os.kill(self.pid, signal.SIGHUP)
             except OSError, exn:
                 log.exception(exn)
             try: