Update usage of mx_handle_wait_many() API.

runtime/bin/eventhandler_fuchsia.h

 // Copyright (c) 2016, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #ifndef RUNTIME_BIN_EVENTHANDLER_FUCHSIA_H_
 #define RUNTIME_BIN_EVENTHANDLER_FUCHSIA_H_
 
 #if !defined(RUNTIME_BIN_EVENTHANDLER_H_)
 #error Do not include eventhandler_fuchsia.h directly; use eventhandler.h instead.
 #endif
@@ skipping 46 matching lines @@
 // Information needed to call mx_handle_wait_many(), and to handle events.
 class MagentaWaitManyInfo {
  public:
   MagentaWaitManyInfo();
   ~MagentaWaitManyInfo();
 
   intptr_t capacity() const { return capacity_; }
   intptr_t size() const { return size_; }
   DescriptorInfo** descriptor_infos() const { return descriptor_infos_; }
   mx_handle_t* handles() const { return handles_; }
-  mx_signals_t* signals() const { return signals_; }
-  mx_signals_state_t* signals_states() const { return signals_states_; }
+  mx_wait_item_t* items() const { return items_; }
 
   void AddHandle(mx_handle_t handle, mx_signals_t signals, DescriptorInfo* di);
   void RemoveHandle(mx_handle_t handle);
 
  private:
   static const intptr_t kInitialCapacity = 32;
 
   void GrowArraysIfNeeded(intptr_t desired_size);
 
   intptr_t capacity_;
   intptr_t size_;
   DescriptorInfo** descriptor_infos_;
   mx_handle_t* handles_;

[zra, 2016/11/03 05:48:21]

It looks like you can also remove handles_

[jeffbrown, 2016/11/03 05:56:07]

whoops!

-  mx_signals_t* signals_;
-  mx_signals_state_t* signals_states_;
+  mx_wait_item_t* items_;
 
   DISALLOW_COPY_AND_ASSIGN(MagentaWaitManyInfo);
 };
 
 class EventHandlerImplementation {
  public:
   EventHandlerImplementation();
   ~EventHandlerImplementation();
 
   void SendData(intptr_t id, Dart_Port dart_port, int64_t data);
@@ skipping 16 matching lines @@
 
   MagentaWaitManyInfo info_;
 
   DISALLOW_COPY_AND_ASSIGN(EventHandlerImplementation);
 };
 
 }  // namespace bin
 }  // namespace dart
 
 #endif  // RUNTIME_BIN_EVENTHANDLER_FUCHSIA_H_