Add thread_count instead of former thread pool

rpcs3/Emu/RSX/Overlays/overlay_message_dialog.cpp

@@ -241,6 +241,8 @@ namespace rsx
 			{
 				if (!exit)
 				{
+					thread_count++;
+
 					g_fxo->init<named_thread>("MsgDialog Thread", [&]()
 					{
 						if (interactive)
@@ -251,8 +253,6 @@ namespace rsx
 							{
 								rsx_log.error("Dialog input loop exited with error code=%d", error);
 							}
-
-							verify(HERE), ref.get() == static_cast<overlay*>(this);
 						}
 						else
 						{
@@ -264,6 +264,11 @@ namespace rsx
 								std::this_thread::sleep_for(16ms);
 							}
 						}
+
+						if (!--thread_count)
+						{
+							thread_count.notify_all();
+						}
 					});
 				}
 			}

rpcs3/Emu/RSX/Overlays/overlay_osk.cpp

@@ -208,12 +208,19 @@ namespace rsx
 			fade_animation.duration = 0.5f;
 			fade_animation.active = true;
 
+			thread_count++;
+
 			g_fxo->init<named_thread>("OSK Thread", [this]
 			{
 				if (auto error = run_input_loop())
 				{
 					rsx_log.error("Osk input loop exited with error code=%d", error);
 				}
+
+				if (!--thread_count)
+				{
+					thread_count.notify_all();
+				}
 			});
 		}
 

rpcs3/Emu/RSX/Overlays/overlays.cpp

@@ -158,6 +158,11 @@ namespace rsx
 			// Force unload
 			exit.release(true);
 
+			while (u32 i = thread_count)
+			{
+				thread_count.wait(i);
+			}
+
 			pad::SetIntercepted(false);
 
 			if (on_close && use_callback)

rpcs3/Emu/RSX/Overlays/overlays.h

@@ -75,7 +75,8 @@ namespace rsx
 
 		protected:
 			Timer input_timer;
-			atomic_t<bool> exit{ false };
+			atomic_t<bool> exit = false;
+			atomic_t<u32> thread_count = 0;
 
 			std::function<void(s32 status)> on_close;