[FIX] long-polling: use start()/stop() instead of serve_forever().

This is done so detecting a possible PPID change works.
(So that the worker dies when its parent dies.)

bzr revid: vmt@openerp.com-20130502125907-2t96a26eo6c09x2f

openerp/__init__.py

@@ -19,7 +19,7 @@
 #
 ##############################################################################
 
-""" OpenERP core library.
+""" OpenERP core library..
 
 """
 

openerp/service/workers.py

@@ -373,7 +373,16 @@ class WorkerLongPolling(Worker):
         Worker.start(self)
         from gevent.wsgi import WSGIServer
         self.server = WSGIServer(self.multi.long_polling_socket, self.multi.app)
-        self.server.serve_forever()
+        self.server.start()
+
+    def stop(self):
+        self.server.stop()
+
+    def sleep(self):
+        time.sleep(1)
+
+    def process_work(self):
+        pass
 
 class WorkerBaseWSGIServer(werkzeug.serving.BaseWSGIServer):
     """ werkzeug WSGI Server patched to allow using an external listen socket