Timers. Probably.

src/xenia/kernel/xobject.h

@@ -38,6 +38,7 @@ public:
     kTypeSemaphore,
     kTypeNotifyListener,
     kTypeMutant,
+    kTypeTimer,
   };
 
   XObject(KernelState* kernel_state, Type type);
@@ -81,6 +82,8 @@ protected:
   Memory* memory() const;
   void SetNativePointer(uint32_t native_ptr);
 
+  static uint32_t TimeoutTicksToMs(int64_t timeout_ticks);
+
   KernelState*  kernel_state_;
 
 private: