Implementation of WaitSet for new EDK.

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 <stdint.h>
 
 #include "base/callback.h"
@@ skipping 66 matching lines @@
                   MojoDeadline deadline,
                   MojoHandleSignalsState* signals_state);
   MojoResult WaitMany(const MojoHandle* handles,
                       const MojoHandleSignals* signals,
                       uint32_t num_handles,
                       MojoDeadline deadline,
                       uint32_t* result_index,
                       MojoHandleSignalsState* signals_states);
 
   // 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,
@@ skipping 73 matching lines @@
   base::Lock mapping_table_lock_;  // Protects |mapping_table_|.
   MappingTable mapping_table_;
 
   MOJO_DISALLOW_COPY_AND_ASSIGN(Core);
 };
 
 }  // namespace edk
 }  // namespace mojo
 
 #endif  // MOJO_EDK_SYSTEM_CORE_H_