[NaCl SDK] nacl_io: Add flow control the JavaScript pipes.

native_client_sdk/src/libraries/ppapi_simple/ps_instance.h

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef PPAPI_SIMPLE_PS_INSTANCE_H_
 #define PPAPI_SIMPLE_PS_INSTANCE_H_
 
 #include <stdarg.h>
 
 #include "ppapi/c/pp_instance.h"
@@ skipping 136 matching lines @@
 
   // Called by the browser when the 3D context is lost.
   virtual void Graphics3DContextLost();
 
   // Called by the browser when the mouselock is lost.
   virtual void MouseLockLost();
 
   // Called by Init to processes default and embed tag arguments prior to
   // launching the 'ppapi_main' thread.
   virtual bool ProcessProperties();
+
  private:
   static void* MainThreadThunk(void *start_info);
   ssize_t TtyOutputHandler(const char* buf, size_t count);
   void MessageHandlerExit(const pp::Var& message);
-  void MessageHandlerInput(const pp::Var& message);
+  void MessageHandlerInput(const pp::Var& target, const pp::Var& message);

[binji, 2014/05/01 20:22:31]

"target" is called "key" in the definition below

[Sam Clegg, 2014/05/01 22:16:55]

Done.

   void MessageHandlerResize(const pp::Var& message);
   void HandleResize(int width, int height);
 
   static void HandleExitStatic(int status, void* user_data);
 
   static ssize_t TtyOutputHandlerStatic(const char* buf, size_t count,
                                         void* user_data);
 
   /// Handle exit confirmation message from JavaScript.
   static void MessageHandlerExitStatic(const pp::Var& key,
@@ skipping 36 matching lines @@
   // JavaScript.
   pthread_cond_t exit_cond_;
   pthread_mutex_t exit_lock_;
 
   // A message to Post to JavaScript instead of exiting, or NULL if exit()
   // should be called instead.
   char* exit_message_;
 };
 
 #endif  // PPAPI_MAIN_PS_INSTANCE_H_