From 3922a2f82474144a660c83614419b16066a94c3c Mon Sep 17 00:00:00 2001 From: Neil Alexander Date: Wed, 30 Jun 2021 17:44:10 +0100 Subject: [PATCH] Revert "Remove mutex" This reverts commit 8558075e8c9bab3c1d8b2252b4ab40c7eaf774e8. --- federationapi/routing/send.go | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/federationapi/routing/send.go b/federationapi/routing/send.go index dca6a7ef..a817e837 100644 --- a/federationapi/routing/send.go +++ b/federationapi/routing/send.go @@ -655,9 +655,14 @@ func checkAllowedByState(e *gomatrixserverlib.Event, stateEvents []*gomatrixserv return gomatrixserverlib.Allowed(e, &authUsingState) } +var processEventWithMissingStateMutexes = internal.NewMutexByRoom() + func (t *txnReq) processEventWithMissingState( ctx context.Context, e *gomatrixserverlib.Event, roomVersion gomatrixserverlib.RoomVersion, ) error { + processEventWithMissingStateMutexes.Lock(e.RoomID()) + defer processEventWithMissingStateMutexes.Unlock(e.RoomID()) + // We are missing the previous events for this events. // This means that there is a gap in our view of the history of the // room. There two ways that we can handle such a gap: