From 925d79491ff8aa738ab6e8684ecab7e48e14dbc8 Mon Sep 17 00:00:00 2001
From: Jayson Messenger <messengerj@google.com>
Date: Thu, 23 Jun 2022 15:19:05 -0400
Subject: [PATCH] Use threadsafe call when setting event_loop_done

Previously, the close method would hang waiting on the future to be
done.
---
 bumble/transport/usb.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/bumble/transport/usb.py b/bumble/transport/usb.py
index 8194295..dfc169f 100644
--- a/bumble/transport/usb.py
+++ b/bumble/transport/usb.py
@@ -221,7 +221,7 @@ async def open_usb_transport(spec):
                     pass
 
             logger.debug('USB event loop done')
-            self.event_loop_done.set_result(None)
+            self.loop.call_soon_threadsafe(self.event_loop_done.set_result, None)
 
         async def close(self):
             self.closed = True