read_write_util.h 1.1 KB

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  1. // Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
  2. // This source code is licensed under both the GPLv2 (found in the
  3. // COPYING file in the root directory) and Apache 2.0 License
  4. // (found in the LICENSE.Apache file in the root directory).
  5. //
  6. // Copyright (c) 2011 The LevelDB Authors. All rights reserved.
  7. // Use of this source code is governed by a BSD-style license that can be
  8. // found in the LICENSE file. See the AUTHORS file for names of contributors.
  9. #pragma once
  10. #include <atomic>
  11. #include "file/sequence_file_reader.h"
  12. #include "rocksdb/env.h"
  13. #include "rocksdb/file_system.h"
  14. namespace ROCKSDB_NAMESPACE {
  15. // Returns a WritableFile.
  16. //
  17. // env : the Env.
  18. // fname : the file name.
  19. // result : output arg. A WritableFile based on `fname` returned.
  20. // options : the Env Options.
  21. IOStatus NewWritableFile(FileSystem* fs, const std::string& fname,
  22. std::unique_ptr<FSWritableFile>* result,
  23. const FileOptions& options);
  24. #ifndef NDEBUG
  25. bool IsFileSectorAligned(const size_t off, size_t sector_size);
  26. #endif // NDEBUG
  27. } // namespace ROCKSDB_NAMESPACE