util: Avoid concurrent writes to log file

jp7677 · Aug 25, 2023 · f287b99 · f287b99
1 parent ba138e8
commit f287b99
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/src/util/util_log.cpp b/src/util/util_log.cpp
@@ -5,6 +5,7 @@
 using PFN_wineDbgOutput = int(__cdecl*)(const char*);
 
 static PFN_wineDbgOutput wineDbgOutput = nullptr;
+static std::mutex fileStreamMutex;
 
 namespace dxvk::log {
     void print(const std::string& message) {
@@ -56,7 +57,9 @@ namespace dxvk::log {
             return;
 
         print(message);
-        if (filestream)
+        if (filestream) {
+            std::scoped_lock lock(fileStreamMutex);
             filestream << message << std::endl;
+        }
     }
 }