Fix Concurrent extract + open race on train_last.onnx

core/ANSLicensingSystem/Utility.h

@@ -16,6 +16,8 @@
 #include <vector>
 #include <regex>
 #include <stdio.h>
+#include <memory>
+#include <mutex>
 
 //namespace logging = boost::log;
 //namespace attrs = boost::log::attributes;
@@ -89,4 +91,12 @@ namespace fs = std::filesystem;
  // For training engine
  //bool ExtractPasswordProtectedZipForTrainingEgnine(const std::string& zipFileName, const std::string& password, const std::string& modelName, std::string& outputFolder, bool edgeDeviceModel = true);
  ANSLICENSE_API bool ExtractProtectedZipFile(const std::string& zipFileName,const std::string& password,const std::string& modelName,const std::string outputFolder);
+
+ // Per-path mutex for a model folder. Used to serialize extract ↔ session
+ // creation on the same extracted folder so concurrent CreateANSODHandle calls
+ // cannot truncate/rewrite a model file while another thread is loading it.
+ // Keyed by folder path (not zip path) so both extractor and consumer agree.
+ // Returns std::timed_mutex so callers can bound their wait and avoid a hang
+ // if a peer thread deadlocks inside extraction or ORT session creation.
+ ANSLICENSE_API std::shared_ptr<std::timed_mutex> GetModelFolderLock(const std::string& folderPath);
 #endif