| /* Copyright 2015 The TensorFlow Authors. All Rights Reserved. |
| |
| Licensed under the Apache License, Version 2.0 (the "License"); |
| you may not use this file except in compliance with the License. |
| You may obtain a copy of the License at |
| |
| http://www.apache.org/licenses/LICENSE-2.0 |
| |
| Unless required by applicable law or agreed to in writing, software |
| distributed under the License is distributed on an "AS IS" BASIS, |
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| See the License for the specific language governing permissions and |
| limitations under the License. |
| ==============================================================================*/ |
| |
| #include "tensorflow/core/platform/load_library.h" |
| |
| #include <dlfcn.h> |
| |
| #include "tensorflow/core/lib/core/errors.h" |
| |
| namespace tensorflow { |
| |
| namespace internal { |
| |
| Status LoadLibrary(const char* library_filename, void** handle) { |
| *handle = dlopen(library_filename, RTLD_NOW | RTLD_LOCAL); |
| if (!*handle) { |
| return errors::NotFound(dlerror()); |
| } |
| return Status::OK(); |
| } |
| |
| Status GetSymbolFromLibrary(void* handle, const char* symbol_name, |
| void** symbol) { |
| *symbol = dlsym(handle, symbol_name); |
| if (!*symbol) { |
| return errors::NotFound(dlerror()); |
| } |
| return Status::OK(); |
| } |
| |
| string FormatLibraryFileName(const string& name, const string& version) { |
| string filename; |
| #if defined(__APPLE__) |
| if (version.size() == 0) { |
| filename = "lib" + name + ".dylib"; |
| } else { |
| filename = "lib" + name + "." + version + ".dylib"; |
| } |
| #else |
| if (version.empty()) { |
| filename = "lib" + name + ".so"; |
| } else { |
| filename = "lib" + name + ".so" + "." + version; |
| } |
| #endif |
| return filename; |
| } |
| |
| } // namespace internal |
| |
| } // namespace tensorflow |