nvapi: Guard interface registry lookups with a mutex

jp7677 · Jan 15, 2025 · c4f243d · c4f243d
1 parent 7a91257
commit c4f243d
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/src/nvapi_interface.cpp b/src/nvapi_interface.cpp
@@ -39,9 +39,11 @@ extern "C" {
             log::info(str::format("NvAPI_QueryInterface: Ignoring unrecognized entrypoints from ", disabledEnvName, ": ", str::implode(", ", unrecognized)));
     }
 
-    static std::unordered_map<NvU32, void*> registry;
-
     __declspec(dllexport) void* __cdecl nvapi_QueryInterface(NvU32 id) {
+        static std::unordered_map<NvU32, void*> registry;
+        static std::mutex registryMutex;
+        std::scoped_lock lock(registryMutex);
+
         auto entry = registry.find(id);
         if (entry != registry.end())
             return entry->second;