| /* |
| * Copyright (C) 2015 The Android Open Source Project |
| * |
| * 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 "dl_loader.h" |
| #include "log.h" |
| #include "target.h" |
| |
| #if TARGET_OS == GAPID_OS_WINDOWS |
| #include <windows.h> |
| #else |
| #include <dlfcn.h> |
| #endif |
| |
| namespace gapic { |
| |
| #if TARGET_OS == GAPID_OS_WINDOWS |
| |
| DlLoader::DlLoader(const char* name) { |
| mLibrary = reinterpret_cast<void*>(LoadLibraryExA(name, NULL, 0)); |
| if (mLibrary == nullptr) { |
| GAPID_FATAL("Can't load library %s: %d", name, GetLastError()); |
| } |
| } |
| |
| DlLoader::~DlLoader() { |
| if (mLibrary != nullptr) { |
| FreeLibrary(reinterpret_cast<HMODULE>(mLibrary)); |
| } |
| } |
| |
| void* DlLoader::lookup(const char* name) { |
| return reinterpret_cast<void*>(GetProcAddress(reinterpret_cast<HMODULE>(mLibrary), name)); |
| } |
| |
| #else // if TARGET_OS == GAPID_OS_WINDOWS |
| |
| DlLoader::DlLoader(const char* name) { |
| if (name == nullptr) { |
| mLibrary = nullptr; |
| } else { |
| mLibrary = dlopen(name, RTLD_NOW | RTLD_LOCAL); |
| if (mLibrary == nullptr) { |
| GAPID_FATAL("Can't load library %s: %s", name, dlerror()); |
| } |
| } |
| } |
| |
| DlLoader::~DlLoader() { |
| if (mLibrary != nullptr) { |
| dlclose(mLibrary); |
| } |
| } |
| |
| void* DlLoader::lookup(const char* name) { |
| return dlsym((mLibrary ? mLibrary : RTLD_DEFAULT), name); |
| } |
| |
| #endif |
| |
| } // namespace gapic |
| |