From eb72b06fe8e62cb77af73f6dc558d384a5a5fe80 Mon Sep 17 00:00:00 2001
From: Paul Buetow <paul@buetow.org>
Date: Fri, 19 Sep 2025 22:52:48 +0300
Subject: fix

---
 internal/lsp/transport.go | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'internal/lsp/transport.go')

diff --git a/internal/lsp/transport.go b/internal/lsp/transport.go
index bdd01a1..60e5379 100644
--- a/internal/lsp/transport.go
+++ b/internal/lsp/transport.go
@@ -49,6 +49,9 @@ func (s *Server) readMessage() ([]byte, error) {
 }
 
 func (s *Server) writeMessage(v any) {
+	s.outMu.Lock()
+	defer s.outMu.Unlock()
+
 	data, err := json.Marshal(v)
 	if err != nil {
 		logging.Logf("lsp ", "marshal error: %v", err)
-- 
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