From 5726a0911da8d74de2d13cfeff34950de7a074ce Mon Sep 17 00:00:00 2001
From: ionutboangiu <ionut.boangiu@itsyscom.com>
Date: Tue, 17 Feb 2026 19:04:56 +0200
Subject: [PATCH] fix birpc shutdown race in BiRPCUnregisterName

---
 cores/server.go | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/cores/server.go b/cores/server.go
index 11d996323..862130d14 100644
--- a/cores/server.go
+++ b/cores/server.go
@@ -119,6 +119,11 @@ func (s *Server) BiRPCRegisterName(name string, rcvr any) {
 }
 
 func (s *Server) BiRPCUnregisterName(name string) error {
+	s.RLock()
+	defer s.RUnlock()
+	if s.birpcSrv == nil {
+		return nil
+	}
 	return s.birpcSrv.UnregisterName(name)
 }