[mojo-edk] Add explicit message object APIs

mojo/edk/system/core.h

 // Copyright 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 MOJO_EDK_SYSTEM_CORE_H_
 #define MOJO_EDK_SYSTEM_CORE_H_
 
 #include <memory>
 #include <vector>
 
@@ skipping 126 matching lines @@
                       const MojoHandleSignals* signals,
                       uint32_t num_handles,
                       MojoDeadline deadline,
                       uint32_t* result_index,
                       MojoHandleSignalsState* signals_states);
   MojoResult Watch(MojoHandle handle,
                    MojoHandleSignals signals,
                    MojoWatchCallback callback,
                    uintptr_t context);
   MojoResult CancelWatch(MojoHandle handle, uintptr_t context);
+  MojoResult AllocMessage(uint32_t num_bytes,
+                          const MojoHandle* handles,
+                          uint32_t num_handles,
+                          MojoAllocMessageFlags flags,
+                          MojoMessageHandle* message);
+  MojoResult FreeMessage(MojoMessageHandle message);
+  MojoResult GetMessageBuffer(MojoMessageHandle message, void** buffer);
 
   // These methods correspond to the API functions defined in
   // "mojo/public/c/system/wait_set.h":
   MojoResult CreateWaitSet(MojoHandle* wait_set_handle);
   MojoResult AddHandle(MojoHandle wait_set_handle,
                        MojoHandle handle,
                        MojoHandleSignals signals);
   MojoResult RemoveHandle(MojoHandle wait_set_handle,
                           MojoHandle handle);
   MojoResult GetReadyHandles(MojoHandle wait_set_handle,
                              uint32_t* count,
                              MojoHandle* handles,
                              MojoResult* results,
                              MojoHandleSignalsState* signals_states);
 
   // These methods correspond to the API functions defined in
   // "mojo/public/c/system/message_pipe.h":
   MojoResult CreateMessagePipe(
       const MojoCreateMessagePipeOptions* options,
       MojoHandle* message_pipe_handle0,
       MojoHandle* message_pipe_handle1);
   MojoResult WriteMessage(MojoHandle message_pipe_handle,
                           const void* bytes,
                           uint32_t num_bytes,
                           const MojoHandle* handles,
                           uint32_t num_handles,
                           MojoWriteMessageFlags flags);
+  MojoResult WriteMessageNew(MojoHandle message_pipe_handle,
+                             MojoMessageHandle message,
+                             MojoWriteMessageFlags flags);
   MojoResult ReadMessage(MojoHandle message_pipe_handle,
                          void* bytes,
                          uint32_t* num_bytes,
                          MojoHandle* handles,
                          uint32_t* num_handles,
                          MojoReadMessageFlags flags);
+  MojoResult ReadMessageNew(MojoHandle message_pipe_handle,
+                            MojoMessageHandle* message,
+                            uint32_t* num_bytes,
+                            MojoHandle* handles,
+                            uint32_t* num_handles,
+                            MojoReadMessageFlags flags);
   MojoResult FuseMessagePipes(MojoHandle handle0, MojoHandle handle1);
 
   // These methods correspond to the API functions defined in
   // "mojo/public/c/system/data_pipe.h":
   MojoResult CreateDataPipe(
       const MojoCreateDataPipeOptions* options,
       MojoHandle* data_pipe_producer_handle,
       MojoHandle* data_pipe_consumer_handle);
   MojoResult WriteData(MojoHandle data_pipe_producer_handle,
                        const void* elements,
@@ skipping 68 matching lines @@
   base::Lock mapping_table_lock_;  // Protects |mapping_table_|.
   MappingTable mapping_table_;
 
   DISALLOW_COPY_AND_ASSIGN(Core);
 };
 
 }  // namespace edk
 }  // namespace mojo
 
 #endif  // MOJO_EDK_SYSTEM_CORE_H_