compat_mode_manager.hpp

/*
 * SPDX-FileCopyrightText: Copyright (c) 2025, NVIDIA CORPORATION.
 * SPDX-License-Identifier: Apache-2.0
 */
 
#pragma once
 
#include <string>
 
#include <kvikio/compat_mode.hpp>
 
namespace kvikio {
 
// Forward declaration.
class FileHandle;
 
class CompatModeManager {
 private:
  CompatMode _compat_mode_requested{CompatMode::AUTO};
  bool _is_compat_mode_preferred{true};
  bool _is_compat_mode_preferred_for_async{true};
 
 public:
  CompatModeManager() noexcept = default;
 
  CompatModeManager(std::string const& file_path,
                    std::string const& flags,
                    mode_t mode,
                    CompatMode compat_mode_requested,
                    FileHandle* file_handle);
 
  ~CompatModeManager() noexcept                              = default;
  CompatModeManager(const CompatModeManager&)                = default;
  CompatModeManager& operator=(const CompatModeManager&)     = default;
  CompatModeManager(CompatModeManager&&) noexcept            = default;
  CompatModeManager& operator=(CompatModeManager&&) noexcept = default;
 
  bool is_compat_mode_preferred() const noexcept;
 
  bool is_compat_mode_preferred_for_async() const noexcept;
 
  CompatMode compat_mode_requested() const noexcept;
 
  void validate_compat_mode_for_async() const;
};
 
}  // namespace kvikio