485ac1a2af
Added a logic to search "TF_AcquireFlexDelegate" function from _pywrap_tensorflow_interpreter_wrapper.pyd library. This CL fixes the GitHub issue #44237. PiperOrigin-RevId: 346241205 Change-Id: I5c77574ad9d4cb794e95d195398d68ecc8fd8752
66 lines
2.3 KiB
C++
66 lines
2.3 KiB
C++
/* Copyright 2020 The TensorFlow Authors. All Rights Reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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==============================================================================*/
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#ifndef TENSORFLOW_LITE_SHARED_LIBRARY_H_
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#define TENSORFLOW_LITE_SHARED_LIBRARY_H_
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#if defined(_WIN32)
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// Windows does not have dlfcn.h/dlsym, use GetProcAddress() instead.
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#include <windows.h>
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#else
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#include <dlfcn.h>
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#endif // defined(_WIN32)
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namespace tflite {
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// SharedLibrary provides a uniform set of APIs across different platforms to
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// handle dynamic library operations
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class SharedLibrary {
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public:
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#if defined(_WIN32)
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static inline void* LoadLibrary(const char* lib) {
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return ::LoadLibrary(lib);
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}
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static inline void* GetLibrarySymbol(void* handle, const char* symbol) {
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return reinterpret_cast<void*>(
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GetProcAddress(static_cast<HMODULE>(handle), symbol));
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}
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// Warning: Unlike dlsym(RTLD_DEFAULT), it doesn't search the symbol from
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// dependent DLLs.
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static inline void* GetSymbol(const char* symbol) {
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return reinterpret_cast<void*>(GetProcAddress(nullptr, symbol));
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}
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static inline int UnLoadLibrary(void* handle) {
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return FreeLibrary(static_cast<HMODULE>(handle));
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}
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static inline const char* GetError() { return "Unknown"; }
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#else
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static inline void* LoadLibrary(const char* lib) {
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return dlopen(lib, RTLD_LAZY | RTLD_LOCAL);
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}
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static inline void* GetLibrarySymbol(void* handle, const char* symbol) {
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return dlsym(handle, symbol);
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}
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static inline void* GetSymbol(const char* symbol) {
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return dlsym(RTLD_DEFAULT, symbol);
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}
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static inline int UnLoadLibrary(void* handle) { return dlclose(handle); }
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static inline const char* GetError() { return dlerror(); }
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#endif // defined(_WIN32)
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};
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} // namespace tflite
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#endif // TENSORFLOW_LITE_SHARED_LIBRARY_H_
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