SVC: Correct WaitSynchronization, WaitProcessWideKey, SignalProcessWideKey.

src/core/hle/kernel/time_manager.h

@@ -5,6 +5,7 @@
 #pragma once
 
 #include <memory>
+#include <unordered_map>
 
 #include "core/hle/kernel/object.h"
 
@@ -35,9 +36,13 @@ public:
     /// Unschedule an existing time event
     void UnscheduleTimeEvent(Handle event_handle);
 
+    void CancelTimeEvent(Thread* time_task);
+
 private:
     Core::System& system;
     std::shared_ptr<Core::Timing::EventType> time_manager_event_type;
+    std::unordered_map<Handle, bool> cancelled_events;
+    std::unordered_map<Handle, bool> event_fired;
 };
 
 } // namespace Kernel