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// Copyright 2009-2021 Intel Corporation
// SPDX-License-Identifier: Apache-2.0
#include "library.h"
#include "sysinfo.h"
#include "filename.h"
////////////////////////////////////////////////////////////////////////////////
/// Windows Platform
////////////////////////////////////////////////////////////////////////////////
#if defined(__WIN32__)
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
namespace embree
{
/* opens a shared library */
lib_t openLibrary(const std::string& file)
{
std::string fullName = file+".dll";
FileName executable = getExecutableFileName();
HANDLE handle = LoadLibrary((executable.path() + fullName).c_str());
return lib_t(handle);
}
/* returns address of a symbol from the library */
void* getSymbol(lib_t lib, const std::string& sym) {
return (void*)GetProcAddress(HMODULE(lib),sym.c_str());
}
/* closes the shared library */
void closeLibrary(lib_t lib) {
FreeLibrary(HMODULE(lib));
}
}
#endif
////////////////////////////////////////////////////////////////////////////////
/// Unix Platform
////////////////////////////////////////////////////////////////////////////////
#if defined(__UNIX__)
#include <dlfcn.h>
namespace embree
{
/* opens a shared library */
lib_t openLibrary(const std::string& file)
{
#if defined(__MACOSX__)
std::string fullName = "lib"+file+".dylib";
#else
std::string fullName = "lib"+file+".so";
#endif
void* lib = dlopen(fullName.c_str(), RTLD_NOW);
if (lib) return lib_t(lib);
FileName executable = getExecutableFileName();
lib = dlopen((executable.path() + fullName).c_str(),RTLD_NOW);
if (lib == nullptr) {
const char* error = dlerror();
if (error) {
THROW_RUNTIME_ERROR(error);
} else {
THROW_RUNTIME_ERROR("could not load library "+executable.str());
}
}
return lib_t(lib);
}
/* returns address of a symbol from the library */
void* getSymbol(lib_t lib, const std::string& sym) {
return dlsym(lib,sym.c_str());
}
/* closes the shared library */
void closeLibrary(lib_t lib) {
dlclose(lib);
}
}
#endif
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