Mojo: Armed Watchers

mojo/edk/system/dispatcher.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_DISPATCHER_H_
 #define MOJO_EDK_SYSTEM_DISPATCHER_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 51 matching lines @@
     PLATFORM_HANDLE = -1,
   };
 
   // All Dispatchers must minimally implement these methods.
 
   virtual Type GetType() const = 0;
   virtual MojoResult Close() = 0;
 
   ///////////// Watch API ////////////////////
 
-  virtual MojoResult Watch(MojoHandleSignals signals,
-                           const Watcher::WatchCallback& callback,
-                           uintptr_t context);
-
-  virtual MojoResult CancelWatch(uintptr_t context);
+  virtual MojoResult RegisterWatcher(MojoHandleSignals signals,
+                                     const Watcher::WatchCallback& callback,
+                                     uintptr_t context);
+  virtual MojoResult ArmWatcher(uintptr_t context);
+  virtual MojoResult UnregisterWatcher(uintptr_t context);
 
   ///////////// Message pipe API /////////////
 
   virtual MojoResult WriteMessage(std::unique_ptr<MessageForTransit> message,
                                   MojoWriteMessageFlags flags);
 
   virtual MojoResult ReadMessage(std::unique_ptr<MessageForTransit>* message,
                                  uint32_t* num_bytes,
                                  MojoHandle* handles,
                                  uint32_t* num_handles,
@@ skipping 162 matching lines @@
 // So logging macros and |DCHECK_EQ()|, etc. work.
 MOJO_SYSTEM_IMPL_EXPORT inline std::ostream& operator<<(std::ostream& out,
                                                         Dispatcher::Type type) {
   return out << static_cast<int>(type);
 }
 
 }  // namespace edk
 }  // namespace mojo
 
 #endif  // MOJO_EDK_SYSTEM_DISPATCHER_H_