diff -r 000000000000 -r 6474c204b198 ipc/unixfd/UnixSocketWatcher.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ipc/unixfd/UnixSocketWatcher.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,95 @@
+/* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */
+/* vim: set ts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef mozilla_ipc_UnixSocketWatcher_h
+#define mozilla_ipc_UnixSocketWatcher_h
+
+#include <sys/socket.h>
+#include <sys/types.h>
+#include <sys/un.h>
+#include <netinet/in.h>
+#ifdef MOZ_B2G_BT_BLUEZ
+#include <bluetooth/bluetooth.h>
+#include <bluetooth/sco.h>
+#include <bluetooth/l2cap.h>
+#include <bluetooth/rfcomm.h>
+#endif
+#include "UnixFdWatcher.h"
+
+namespace mozilla {
+namespace ipc {
+
+union sockaddr_any {
+  sockaddr_storage storage; // address-family only
+  sockaddr_un un;
+  sockaddr_in in;
+  sockaddr_in6 in6;
+#ifdef MOZ_B2G_BT_BLUEZ
+  sockaddr_sco sco;
+  sockaddr_rc rc;
+  sockaddr_l2 l2;
+#endif
+  // ... others
+};
+
+class UnixSocketWatcher : public UnixFdWatcher
+{
+public:
+  enum ConnectionStatus {
+    SOCKET_IS_DISCONNECTED = 0,
+    SOCKET_IS_LISTENING,
+    SOCKET_IS_CONNECTING,
+    SOCKET_IS_CONNECTED
+  };
+
+  virtual ~UnixSocketWatcher();
+
+  virtual void Close() MOZ_OVERRIDE;
+
+  ConnectionStatus GetConnectionStatus() const
+  {
+    return mConnectionStatus;
+  }
+
+  // Connect to a peer
+  nsresult Connect(const struct sockaddr* aAddr, socklen_t aAddrLen);
+
+  // Listen on socket for incoming connection requests
+  nsresult Listen(const struct sockaddr* aAddr, socklen_t aAddrLen);
+
+  // Callback method for accepted connections
+  virtual void OnAccepted(int aFd, const sockaddr_any* aAddr,
+                          socklen_t aAddrLen) {};
+
+  // Callback method for successful connection requests
+  virtual void OnConnected() {};
+
+  // Callback method for successful listen requests
+  virtual void OnListening() {};
+
+  // Callback method for receiving from socket
+  virtual void OnSocketCanReceiveWithoutBlocking() {};
+
+  // Callback method for sending on socket
+  virtual void OnSocketCanSendWithoutBlocking() {};
+
+protected:
+  UnixSocketWatcher(MessageLoop* aIOLoop);
+  UnixSocketWatcher(MessageLoop* aIOLoop, int aFd,
+                    ConnectionStatus aConnectionStatus);
+  void SetSocket(int aFd, ConnectionStatus aConnectionStatus);
+
+private:
+  void OnFileCanReadWithoutBlocking(int aFd) MOZ_OVERRIDE;
+  void OnFileCanWriteWithoutBlocking(int aFd) MOZ_OVERRIDE;
+
+  ConnectionStatus mConnectionStatus;
+};
+
+}
+}
+
+#endif