Destroy zeroApi safe

Signed-off-by: Bogdan Pereanu <[email protected]>

Author: pereanub

src/plugins/intel_npu/src/utils/include/intel_npu/utils/zero/zero_api.hpp

@@ -78,7 +78,7 @@ class ZeroApi {
 
     ~ZeroApi() = default;
 
-    static const std::shared_ptr<ZeroApi>& getInstance();
+    static const std::shared_ptr<ZeroApi> getInstance();
 
 #define symbol_statement(symbol) decltype(&::symbol) symbol;
     symbols_list();

src/plugins/intel_npu/src/utils/src/zero/zero_api.cpp

@@ -4,6 +4,8 @@
 
 #include "intel_npu/utils/zero/zero_api.hpp"
 
+#include <mutex>
+
 #include "openvino/util/file_util.hpp"
 #include "openvino/util/shared_object.hpp"
 
@@ -49,8 +51,16 @@ ZeroApi::ZeroApi() {
 #undef symbol_statement
 }
 
-const std::shared_ptr<ZeroApi>& ZeroApi::getInstance() {
-    static std::shared_ptr<ZeroApi> instance = std::make_shared<ZeroApi>();
+const std::shared_ptr<ZeroApi> ZeroApi::getInstance() {
+    static std::mutex mutex;
+    static std::weak_ptr<ZeroApi> weak_instance;
+
+    std::lock_guard<std::mutex> lock(mutex);
+    auto instance = weak_instance.lock();
+    if (!instance) {
+        instance = std::make_shared<ZeroApi>();
+        weak_instance = instance;
+    }
     return instance;
 }