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/*
* Copyright (C) 2017-2020 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#pragma once
#include <string>
#include <type_traits>
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;
};
class OsLibrary {
protected:
OsLibrary() = default;
public:
virtual ~OsLibrary() = default;
static OsLibrary *load(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;
};
} // namespace NEO
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