[FIX] server.py traceback on ctrl-c from windows cmd

Define a shim signal.SIGHUP on windows to avoid an ifdef in the threaded server
loop.

openerp/service/server.py

@@ -9,10 +9,6 @@
 import platform
 import psutil
 import random
-if os.name == 'posix':
-    import resource
-else:
-    resource = None
 import select
 import signal
 import socket
@@ -24,10 +20,15 @@
 
 import werkzeug.serving
 
-try:
+if os.name == 'posix':
+    # Unix only for workers
     import fcntl
-except ImportError:
-    pass
+    import resource
+else:
+    # Windows shim
+    signal.SIGHUP = 0
+
+# Optional process names for workers
 try:
     from setproctitle import setproctitle
 except ImportError:
@@ -674,8 +675,6 @@ def sleep(self):
                 raise
 
     def process_limit(self):
-        if resource is None:
-            return
         # If our parent changed sucide
         if self.ppid != os.getppid():
             _logger.info("Worker (%s) Parent changed", self.pid)