bpo-32591: Add native coroutine origin tracking (#5250)

* Add coro.cr_origin and sys.set_coroutine_origin_tracking_depth
* Use coroutine origin information in the unawaited coroutine warning
* Stop using set_coroutine_wrapper in asyncio debug mode
* In BaseEventLoop.set_debug, enable debugging in the correct thread

1 files changed, 2 insertions, 0 deletions

diff --git a/Python/pystate.c b/Python/pystate.c
index 028292e..9c25a26 100644
--- a/Python/pystate.c
+++ b/Python/pystate.c
@@ -305,6 +305,8 @@ new_threadstate(PyInterpreterState *interp, int init)
         tstate->on_delete = NULL;
         tstate->on_delete_data = NULL;
 
+        tstate->coroutine_origin_tracking_depth = 0;
+
         tstate->coroutine_wrapper = NULL;
         tstate->in_coroutine_wrapper = 0;