Test Level Zero provider when ze_loader is opened with RTLD_LOCAL

Author: vinser52

src/utils/utils_level_zero.cpp

@@ -144,10 +144,15 @@ int InitLevelZeroOps() {
     const char *lib_name = "libze_loader.so";
 #endif
     // Load Level Zero symbols
-    // NOTE that we use UMF_UTIL_OPEN_LIBRARY_GLOBAL which add all loaded symbols to the
+#if OPEN_ZE_LIBRARY_GLOBAL
+    // NOTE UMF_UTIL_OPEN_LIBRARY_GLOBAL adds all loaded symbols to the
     // global symbol table.
+    int open_flags = UMF_UTIL_OPEN_LIBRARY_GLOBAL;
+#else
+    int open_flags = 0;
+#endif
     zeDlHandle = std::unique_ptr<void, DlHandleCloser>(
-        utils_open_library(lib_name, UMF_UTIL_OPEN_LIBRARY_GLOBAL));
+        utils_open_library(lib_name, open_flags));
     *(void **)&libze_ops.zeInit =
         utils_get_symbol_addr(zeDlHandle.get(), "zeInit", lib_name);
     if (libze_ops.zeInit == nullptr) {

test/CMakeLists.txt

@@ -415,12 +415,20 @@ if(UMF_BUILD_GPU_TESTS AND UMF_BUILD_LEVEL_ZERO_PROVIDER)
         LIBS ${UMF_UTILS_FOR_TEST} ze_loader)
 
     add_umf_test(
-        NAME provider_level_zero_dlopen
+        NAME provider_level_zero_dlopen_global
         SRCS providers/provider_level_zero.cpp
              ${UMF_UTILS_DIR}/utils_level_zero.cpp ${BA_SOURCES_FOR_TEST}
         LIBS ${UMF_UTILS_FOR_TEST})
-    target_compile_definitions(umf_test-provider_level_zero_dlopen
-                               PUBLIC USE_DLOPEN=1)
+    target_compile_definitions(umf_test-provider_level_zero_dlopen_global
+                               PUBLIC USE_DLOPEN=1 OPEN_ZE_LIBRARY_GLOBAL=1)
+
+    add_umf_test(
+        NAME provider_level_zero_dlopen_local
+        SRCS providers/provider_level_zero.cpp
+             ${UMF_UTILS_DIR}/utils_level_zero.cpp ${BA_SOURCES_FOR_TEST}
+        LIBS ${UMF_UTILS_FOR_TEST})
+    target_compile_definitions(umf_test-provider_level_zero_dlopen_local
+                               PUBLIC USE_DLOPEN=1 OPEN_ZE_LIBRARY_GLOBAL=0)
 endif()
 
 if(NOT UMF_BUILD_LEVEL_ZERO_PROVIDER)