diff -r 000000000000 -r 6474c204b198 hal/gonk/UeventPoller.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hal/gonk/UeventPoller.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,49 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* Copyright 2012 Mozilla Foundation and Mozilla contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _mozilla_uevent_poller_h_
+#define _mozilla_uevent_poller_h_
+
+#include <sysutils/NetlinkEvent.h>
+#include "mozilla/Observer.h"
+
+class NetlinkEvent;
+
+namespace mozilla {
+namespace hal_impl {
+
+typedef mozilla::Observer<NetlinkEvent> IUeventObserver;
+
+/**
+ * Register for uevent notification. Note that the method should run on the
+ * <b> IO Thread </b>
+ * @aObserver the observer to be added. The observer's Notify() is only called
+ * on the <b> IO Thread </b>
+ */
+void RegisterUeventListener(IUeventObserver *aObserver);
+
+/**
+ * Unregister for uevent notification. Note that the method should run on the
+ * <b> IO Thread </b>
+ * @aObserver the observer to be removed
+ */
+void UnregisterUeventListener(IUeventObserver *aObserver);
+
+}
+}
+
+#endif
+