[NaCl SDK] Support non blocking TCP/UDP

native_client_sdk/src/libraries/nacl_io/mount_node_udp.h

Index: native_client_sdk/src/libraries/nacl_io/mount_node_udp.h
diff --git a/native_client_sdk/src/libraries/nacl_io/mount_node_udp.h b/native_client_sdk/src/libraries/nacl_io/mount_node_udp.h
index ac095f1760fd08ced10c5cd31f0e93f9de3a017f..32394d8e4170618c3804106c2c358c8bd983f60c 100644
--- a/native_client_sdk/src/libraries/nacl_io/mount_node_udp.h
+++ b/native_client_sdk/src/libraries/nacl_io/mount_node_udp.h
@@ -11,16 +11,29 @@
 #include <ppapi/c/pp_resource.h>
 #include <ppapi/c/ppb_udp_socket.h>
 
+#include "nacl_io/event_emitter_udp.h"
 #include "nacl_io/mount_node.h"
 #include "nacl_io/mount_node_socket.h"
 
 namespace nacl_io {
 
+class UDPSendWork;
+class UDPRecvWork;
+
 class MountNodeUDP : public MountNodeSocket {
  public:
   explicit MountNodeUDP(Mount* mount);
 
+ protected:
   virtual Error Init(int flags);
+  virtual void Destroy();
+
+ public:
+  virtual EventEmitterUDP* GetEventEmitter();
+
+  virtual void QueueInput();
+  virtual void QueueOutput();
+
 
   virtual Error Bind(const struct sockaddr* addr, socklen_t len);
   virtual Error Connect(const struct sockaddr* addr, socklen_t len);
@@ -42,8 +55,6 @@ class MountNodeUDP : public MountNodeSocket {
                        int* out_len);
 
  protected:
-  UDPSocketInterface* UDPSocket();
-
   Error RecvFromHelper(void* buf,
                        size_t len,
                        int flags,
@@ -55,6 +66,10 @@ class MountNodeUDP : public MountNodeSocket {
                      int flags,
                      PP_Resource dest_addr,
                      int* out_len);
+
+  ScopedEventEmitterUDP emitter_;
+  friend class UDPSendWork;
+  friend class UDPRecvWork;
 };