Test CUDA provider when cuda is opened with RTLD_LOCAL

Author: vinser52

test/CMakeLists.txt

@@ -450,12 +450,20 @@ if(UMF_BUILD_GPU_TESTS AND UMF_BUILD_CUDA_PROVIDER)
             LIBS ${UMF_UTILS_FOR_TEST} cuda)
 
         add_umf_test(
-            NAME provider_cuda_dlopen
+            NAME provider_cuda_dlopen_global
             SRCS providers/provider_cuda.cpp providers/cuda_helpers.cpp
                  ${BA_SOURCES_FOR_TEST}
             LIBS ${UMF_UTILS_FOR_TEST})
-        target_compile_definitions(umf_test-provider_cuda_dlopen
-                                   PUBLIC USE_DLOPEN=1)
+        target_compile_definitions(umf_test-provider_cuda_dlopen_global
+                                   PUBLIC USE_DLOPEN=1 OPEN_CU_LIBRARY_GLOBAL=1)
+
+        add_umf_test(
+            NAME provider_cuda_dlopen_local
+            SRCS providers/provider_cuda.cpp providers/cuda_helpers.cpp
+                 ${BA_SOURCES_FOR_TEST}
+            LIBS ${UMF_UTILS_FOR_TEST})
+        target_compile_definitions(umf_test-provider_cuda_dlopen_local
+                                   PUBLIC USE_DLOPEN=1 OPEN_CU_LIBRARY_GLOBAL=0)
     else()
         message(
             STATUS

test/providers/cuda_helpers.cpp

@@ -113,10 +113,15 @@ int InitCUDAOps() {
     const char *lib_name = "libcuda.so";
 #endif
     // CUDA symbols
-    // NOTE that we use UMF_UTIL_OPEN_LIBRARY_GLOBAL which add all loaded
-    // symbols to the global symbol table.
+#if OPEN_CU_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
     cuDlHandle = std::unique_ptr<void, DlHandleCloser>(
-        utils_open_library(lib_name, UMF_UTIL_OPEN_LIBRARY_GLOBAL));
+        utils_open_library(lib_name, open_flags));
 
     // NOTE: some symbols defined in the lib have _vX postfixes - this is
     // important to load the proper version of functions