chromium/base/memory/read_only_shared_memory_region.h

// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef BASE_MEMORY_READ_ONLY_SHARED_MEMORY_REGION_H_
#define BASE_MEMORY_READ_ONLY_SHARED_MEMORY_REGION_H_

#include "base/base_export.h"
#include "base/check.h"
#include "base/check_op.h"
#include "base/memory/platform_shared_memory_region.h"
#include "base/memory/shared_memory_mapping.h"

#include <stdint.h>

namespace base {

struct MappedReadOnlyRegion;

// Scoped move-only handle to a region of platform shared memory. The instance
// owns the platform handle it wraps. Mappings created by this region are
// read-only. These mappings remain valid even after the region handle is moved
// or destroyed.
class BASE_EXPORT ReadOnlySharedMemoryRegion { … };

// Helper struct for return value of ReadOnlySharedMemoryRegion::Create().
struct MappedReadOnlyRegion { … };

}  // namespace base

#endif  // BASE_MEMORY_READ_ONLY_SHARED_MEMORY_REGION_H_