ProcessManager: Fill out ProcessTracking::Initialize()

stratosphere/libstratosphere/include/stratosphere/systemevent.hpp

@@ -0,0 +1,26 @@
+#pragma once
+#include <switch.h>
+
+#include "iwaitable.hpp"
+#include "ievent.hpp"
+
+#define SYSTEMEVENT_INDEX_WAITHANDLE 0
+#define SYSTEMEVENT_INDEX_SGNLHANDLE 1
+
+class SystemEvent : IEvent {
+    public:
+        SystemEvent(EventCallback callback) : IEvent(0, callback) {
+            Handle wait_h;
+            Handle sig_h;
+            if (R_FAILED(svcCreateEvent(&wait_h, &sig_h))) {
+                /* TODO: Panic. */
+            }
+            
+            this->handles.push_back(wait_h);
+            this->handles.push_back(sig_h);
+        }
+        
+        virtual Result signal_event() {
+            return svcSignalEvent(this->handles[SYSTEMEVENT_INDEX_SGNLHANDLE]);
+        }  
+};