From dfb7ad5c7d5dcca13d9728534434079a2b60bdea Mon Sep 17 00:00:00 2001
From: Klaus Aehlig <klaus.aehlig@huawei.com>
Date: Wed, 20 Nov 2024 14:24:50 +0100
Subject: Serve service: properly lock git operations against each other

... by using an exclusive lock. A lock of which only ever shared instances
are requested has no synchronisation effect. Fix this.
---
 src/buildtool/serve_api/serve_service/source_tree.hpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'src/buildtool/serve_api/serve_service/source_tree.hpp')

diff --git a/src/buildtool/serve_api/serve_service/source_tree.hpp b/src/buildtool/serve_api/serve_service/source_tree.hpp
index 670d190f..7b3d3cac 100644
--- a/src/buildtool/serve_api/serve_service/source_tree.hpp
+++ b/src/buildtool/serve_api/serve_service/source_tree.hpp
@@ -17,8 +17,8 @@
 
 #include <filesystem>
 #include <memory>
+#include <mutex>
 #include <optional>
-#include <shared_mutex>
 #include <string>
 #include <type_traits>
 #include <unordered_map>
@@ -137,7 +137,7 @@ class SourceTreeService final
     ApiBundle const& apis_;
     gsl::not_null<LocalContext const*> native_context_;
     LocalContext const* compat_context_;
-    mutable std::shared_mutex mutex_;
+    mutable std::mutex mutex_;
     std::shared_ptr<Logger> logger_{std::make_shared<Logger>("serve-service")};
     // symlinks resolver map
     ResolveSymlinksMap resolve_symlinks_map_{CreateResolveSymlinksMap()};
-- 
cgit v1.2.3