From e30b96d018f55dd4557fbf7d19c4489188a27e7e Mon Sep 17 00:00:00 2001
From: Taylor Richards <taylor@icculus.org>
Date: Wed, 28 Feb 2018 16:34:49 -0500
Subject: [PATCH] add support for 'onShutdown' handler to do stuff after game
 is done

---
 src/freespace2/freespace.cpp | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/freespace2/freespace.cpp b/src/freespace2/freespace.cpp
index 040bbab..a452551 100644
--- a/src/freespace2/freespace.cpp
+++ b/src/freespace2/freespace.cpp
@@ -6941,6 +6941,15 @@ void game_shutdown(void)
 	if(Multi_update_fireup_launcher_on_exit){
 		game_launch_launcher_on_exit();
 	}
+
+#ifdef __EMSCRIPTEN__
+	// sync files to persistent storage
+	EM_ASM({
+		if (Module['onShutdown']) {
+			Module['onShutdown']();
+		}
+	});
+#endif
 }
 
 // game_stop_looped_sounds()
-- 
2.39.2