tor-browser

The Tor Browser
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mmap.h (850B)

      1 // Copyright (c) the JPEG XL Project Authors. All rights reserved.
      2 //
      3 // Use of this source code is governed by a BSD-style
      4 // license that can be found in the LICENSE file.
      5 
      6 #ifndef LIB_EXTRAS_MMAP_H_
      7 #define LIB_EXTRAS_MMAP_H_
      8 
      9 #include <memory>
     10 
     11 #include "lib/jxl/base/status.h"
     12 
     13 namespace jxl {
     14 struct MemoryMappedFileImpl;
     15 
     16 class MemoryMappedFile {
     17 public:
     18  static StatusOr<MemoryMappedFile> Init(const char* path);
     19  const uint8_t* data() const;
     20  size_t size() const;
     21  MemoryMappedFile();                                        // NOLINT
     22  ~MemoryMappedFile();                                       // NOLINT
     23  MemoryMappedFile(MemoryMappedFile&&) noexcept;             // NOLINT
     24  MemoryMappedFile& operator=(MemoryMappedFile&&) noexcept;  // NOLINT
     25 
     26 private:
     27  std::unique_ptr<MemoryMappedFileImpl> impl_;
     28 };
     29 }  // namespace jxl
     30 
     31 #endif