84 lines
2.1 KiB
C++
84 lines
2.1 KiB
C++
// Copyright 2009-2020 Intel Corporation
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// SPDX-License-Identifier: Apache-2.0
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#include "library.h"
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#include "sysinfo.h"
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#include "filename.h"
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////////////////////////////////////////////////////////////////////////////////
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/// Windows Platform
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////////////////////////////////////////////////////////////////////////////////
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#if defined(__WIN32__)
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#define WIN32_LEAN_AND_MEAN
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#include <windows.h>
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namespace embree
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{
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/* opens a shared library */
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lib_t openLibrary(const std::string& file)
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{
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std::string fullName = file+".dll";
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FileName executable = getExecutableFileName();
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HANDLE handle = LoadLibrary((executable.path() + fullName).c_str());
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return lib_t(handle);
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}
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/* returns address of a symbol from the library */
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void* getSymbol(lib_t lib, const std::string& sym) {
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return reinterpret_cast<void *>(GetProcAddress(HMODULE(lib),sym.c_str()));
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}
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/* closes the shared library */
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void closeLibrary(lib_t lib) {
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FreeLibrary(HMODULE(lib));
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}
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}
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#endif
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////////////////////////////////////////////////////////////////////////////////
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/// Unix Platform
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////////////////////////////////////////////////////////////////////////////////
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#if defined(__UNIX__)
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#include <dlfcn.h>
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namespace embree
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{
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/* opens a shared library */
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lib_t openLibrary(const std::string& file)
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{
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#if defined(__MACOSX__)
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std::string fullName = "lib"+file+".dylib";
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#else
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std::string fullName = "lib"+file+".so";
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#endif
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void* lib = dlopen(fullName.c_str(), RTLD_NOW);
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if (lib) return lib_t(lib);
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FileName executable = getExecutableFileName();
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lib = dlopen((executable.path() + fullName).c_str(),RTLD_NOW);
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if (lib == nullptr) {
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const char* error = dlerror();
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if (error) {
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THROW_RUNTIME_ERROR(error);
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} else {
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THROW_RUNTIME_ERROR("could not load library "+executable.str());
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}
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}
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return lib_t(lib);
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}
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/* returns address of a symbol from the library */
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void* getSymbol(lib_t lib, const std::string& sym) {
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return dlsym(lib,sym.c_str());
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}
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/* closes the shared library */
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void closeLibrary(lib_t lib) {
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dlclose(lib);
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}
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}
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#endif
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