[2.2.x] Documented the order in which signal receivers are called.

Backport of ab0fd3f58f from master
2019-10-28 12:31:23 +00:00 · 2019-10-28 12:31:23 +00:00 · 4c0979bba4
parent 48df40262b
commit 4c0979bba4
1 changed files with 2 additions and 1 deletions
--- a/docs/topics/signals.txt
+++ b/docs/topics/signals.txt
@ -49,7 +49,8 @@ Listening to signals

 To receive a signal, register a *receiver* function using the
 :meth:`Signal.connect` method. The receiver function is called when the signal
-is sent.
+is sent. All of the signal's receiver functions are called one at a time, in
+the order they were registered.

 .. method:: Signal.connect(receiver, sender=None, weak=True, dispatch_uid=None)