compute-runtime/shared/source/os_interface/os_library.h

56 lines
1.4 KiB
C++

/*
* Copyright (C) 2018-2025 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#pragma once
#include <string>
namespace NEO {
struct ConvertibleProcAddr {
template <typename T>
operator T *() const {
static_assert(std::is_function<T>::value, "Cannot convert to non-function and non-void* type");
return reinterpret_cast<T *>(ptr);
}
operator void *() const {
return ptr;
}
void *ptr = nullptr;
};
struct OsLibraryCreateProperties {
OsLibraryCreateProperties(const std::string &name) : libraryName(name) {}
std::string libraryName;
std::string *errorValue = nullptr;
bool performSelfLoad = false;
int *customLoadFlags = nullptr;
};
class OsLibrary {
protected:
OsLibrary() = default;
static OsLibrary *load(const OsLibraryCreateProperties &properties);
public:
virtual ~OsLibrary() = default;
static decltype(&OsLibrary::load) loadFunc;
static const std::string createFullSystemPath(const std::string &name);
ConvertibleProcAddr operator[](const std::string &name) {
return ConvertibleProcAddr{getProcAddress(name)};
}
virtual void *getProcAddress(const std::string &procName) = 0;
virtual bool isLoaded() = 0;
virtual std::string getFullPath() = 0;
};
bool getLoadedLibVersion(const std::string &libName, const std::string &regexVersionPattern, std::string &outVersion, std::string &errReason);
} // namespace NEO