Fix crash reported in #4070.

cmake/onnxruntime_unittests.cmake

@@ -220,6 +220,7 @@ endif()
 
 set (ONNXRUNTIME_SHARED_LIB_TEST_SRC_DIR "${ONNXRUNTIME_ROOT}/test/shared_lib")
 set (ONNXRUNTIME_GLOBAL_THREAD_POOLS_TEST_SRC_DIR "${ONNXRUNTIME_ROOT}/test/global_thread_pools")
+set (ONNXRUNTIME_API_TESTS_WITHOUT_ENV_SRC_DIR "${ONNXRUNTIME_ROOT}/test/api_tests_without_env")
 
 set (onnxruntime_shared_lib_test_SRC
           ${ONNXRUNTIME_SHARED_LIB_TEST_SRC_DIR}/test_fixture.h
@@ -238,6 +239,9 @@ set (onnxruntime_global_thread_pools_test_SRC
           ${ONNXRUNTIME_GLOBAL_THREAD_POOLS_TEST_SRC_DIR}/test_main.cc
           ${ONNXRUNTIME_GLOBAL_THREAD_POOLS_TEST_SRC_DIR}/test_inference.cc)
 
+set (onnxruntime_api_tests_without_env_SRC
+          ${ONNXRUNTIME_API_TESTS_WITHOUT_ENV_SRC_DIR}/test_apis_without_env.cc)
+
 # tests from lowest level library up.
 # the order of libraries should be maintained, with higher libraries being added first in the list
 
@@ -769,6 +773,16 @@ if (onnxruntime_BUILD_SHARED_LIB)
           DEPENDS ${all_dependencies}
   )
   endif()
+
+ # A separate test is needed to test the APIs that don't rely on the env being created first.
+  if (NOT CMAKE_SYSTEM_NAME STREQUAL "Android")
+  AddTest(DYN
+          TARGET onnxruntime_api_tests_without_env
+          SOURCES ${onnxruntime_api_tests_without_env_SRC}
+          LIBS ${onnxruntime_shared_lib_test_LIBS}
+          DEPENDS ${all_dependencies}
+  )
+  endif()
 endif()
 
 #some ETW tools

onnxruntime/core/framework/provider_bridge_ort.cc

@@ -7,6 +7,7 @@
 #include "core/framework/data_types.h"
 #include "core/framework/allocatormgr.h"
 #include "core/providers/dnnl/dnnl_provider_factory.h"
+#include "core/session/inference_session.h"
 #include "core/session/abi_session_options_impl.h"
 #include "core/session/ort_apis.h"
 #include "core/platform/env.h"

onnxruntime/core/session/abi_session_options.cc

@@ -144,9 +144,9 @@ ORT_API_STATUS_IMPL(OrtApis::SetIntraOpNumThreads, _Inout_ OrtSessionOptions* op
 #ifdef _OPENMP
   ORT_UNUSED_PARAMETER(options);
   ORT_UNUSED_PARAMETER(intra_op_num_threads);
-  LOGS_DEFAULT(WARNING) << "Since openmp is enabled in this build, this API cannot be used to configure"
-                           " intra op num threads. Please use the openmp environment variables to control"
-                           " the number of threads.";
+  std::cout << "WARNING: Since openmp is enabled in this build, this API cannot be used to configure"
+               " intra op num threads. Please use the openmp environment variables to control"
+               " the number of threads.\n";
 #else
   options->value.intra_op_param.thread_pool_size = intra_op_num_threads;
 #endif
@@ -161,16 +161,14 @@ ORT_API_STATUS_IMPL(OrtApis::SetInterOpNumThreads, _Inout_ OrtSessionOptions* op
 ORT_API_STATUS_IMPL(OrtApis::AddFreeDimensionOverride, _Inout_ OrtSessionOptions* options,
                     _In_ const char* dim_denotation, _In_ int64_t dim_value) {
   options->value.free_dimension_overrides.push_back(
-      onnxruntime::FreeDimensionOverride{dim_denotation, onnxruntime::FreeDimensionOverrideType::Denotation, dim_value}
-  );
+      onnxruntime::FreeDimensionOverride{dim_denotation, onnxruntime::FreeDimensionOverrideType::Denotation, dim_value});
   return nullptr;
 }
 
 ORT_API_STATUS_IMPL(OrtApis::AddFreeDimensionOverrideByName, _Inout_ OrtSessionOptions* options,
                     _In_ const char* dim_name, _In_ int64_t dim_value) {
   options->value.free_dimension_overrides.push_back(
-      onnxruntime::FreeDimensionOverride{dim_name, onnxruntime::FreeDimensionOverrideType::Name, dim_value}
-  );
+      onnxruntime::FreeDimensionOverride{dim_name, onnxruntime::FreeDimensionOverrideType::Name, dim_value});
   return nullptr;
 }
 

onnxruntime/core/session/abi_session_options_impl.h

@@ -6,7 +6,7 @@
 #include <string>
 #include <vector>
 #include <atomic>
-#include "core/session/inference_session.h"
+#include "core/framework/session_options.h"
 #include "core/session/onnxruntime_c_api.h"
 #include "core/providers/providers.h"
 

onnxruntime/test/api_tests_without_env/test_apis_without_env.cc

@@ -0,0 +1,69 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+#ifndef USE_ONNXRUNTIME_DLL
+#ifdef __GNUC__
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wignored-qualifiers"
+#pragma GCC diagnostic ignored "-Wunused-parameter"
+#else
+#pragma warning(push)
+#pragma warning(disable : 4018) /*'expression' : signed/unsigned mismatch */
+#pragma warning(disable : 4065) /*switch statement contains 'default' but no 'case' labels*/
+#pragma warning(disable : 4100)
+#pragma warning(disable : 4146) /*unary minus operator applied to unsigned type, result still unsigned*/
+#pragma warning(disable : 4127)
+#pragma warning(disable : 4244)  /*'conversion' conversion from 'type1' to 'type2', possible loss of data*/
+#pragma warning(disable : 4251)  /*'identifier' : class 'type' needs to have dll-interface to be used by clients of class 'type2'*/
+#pragma warning(disable : 4267)  /*'var' : conversion from 'size_t' to 'type', possible loss of data*/
+#pragma warning(disable : 4305)  /*'identifier' : truncation from 'type1' to 'type2'*/
+#pragma warning(disable : 4307)  /*'operator' : integral constant overflow*/
+#pragma warning(disable : 4309)  /*'conversion' : truncation of constant value*/
+#pragma warning(disable : 4334)  /*'operator' : result of 32-bit shift implicitly converted to 64 bits (was 64-bit shift intended?)*/
+#pragma warning(disable : 4355)  /*'this' : used in base member initializer list*/
+#pragma warning(disable : 4506)  /*no definition for inline function 'function'*/
+#pragma warning(disable : 4800)  /*'type' : forcing value to bool 'true' or 'false' (performance warning)*/
+#pragma warning(disable : 4996)  /*The compiler encountered a deprecated declaration.*/
+#pragma warning(disable : 6011)  /*Dereferencing NULL pointer*/
+#pragma warning(disable : 6387)  /*'value' could be '0'*/
+#pragma warning(disable : 26495) /*Variable is uninitialized.*/
+#endif
+#include <google/protobuf/message_lite.h>
+#ifdef __GNUC__
+#pragma GCC diagnostic pop
+#else
+#pragma warning(pop)
+#endif
+#endif
+
+#include "gtest/gtest.h"
+#include "core/session/onnxruntime_cxx_api.h"
+#include "core/session/abi_session_options_impl.h"
+
+TEST(TestSessionOptions, SetIntraOpNumThreadsWithoutEnv) {
+  Ort::SessionOptions session_options;
+  session_options.SetIntraOpNumThreads(48);
+  const auto* ort_session_options = (const OrtSessionOptions*)session_options;
+#ifdef _OPENMP
+  ASSERT_EQ(ort_session_options->value.intra_op_param.thread_pool_size, 0);
+#else
+  ASSERT_EQ(ort_session_options->value.intra_op_param.thread_pool_size, 48);
+#endif
+}
+
+int main(int argc, char** argv) {
+  int status = 0;
+  try {
+    ::testing::InitGoogleTest(&argc, argv);
+    status = RUN_ALL_TESTS();
+  } catch (const std::exception& ex) {
+    std::cerr << ex.what();
+    status = -1;
+  }
+
+#ifndef USE_ONNXRUNTIME_DLL
+  //make memory leak checker happy
+  ::google::protobuf::ShutdownProtobufLibrary();
+#endif
+  return status;
+}

onnxruntime/test/shared_lib/test_fixture.h

@@ -16,4 +16,3 @@ typedef const char* PATH_TYPE;
 static inline void ORT_API_CALL MyLoggingFunction(void*, OrtLoggingLevel, const char*, const char*, const char*, const char*) {
 }
 
-