Throttle low priority RS threads by sleeping once per frame to avoid starving other apps.
diff --git a/libs/rs/rsScript.h b/libs/rs/rsScript.h
index bc40854..5f4a536 100644
--- a/libs/rs/rsScript.h
+++ b/libs/rs/rsScript.h
@@ -70,7 +70,7 @@
 
 
     virtual void setupScript() = 0;
-    virtual bool run(Context *, uint32_t launchID) = 0;
+    virtual uint32_t run(Context *, uint32_t launchID) = 0;
 };