chromium/components/discardable_memory/common/discardable_shared_memory_heap.h

// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifdef UNSAFE_BUFFERS_BUILD
#pragma check_unsafe_buffers
#endif

#ifndef COMPONENTS_DISCARDABLE_MEMORY_COMMON_DISCARDABLE_SHARED_MEMORY_HEAP_H_
#define COMPONENTS_DISCARDABLE_MEMORY_COMMON_DISCARDABLE_SHARED_MEMORY_HEAP_H_

#include <stddef.h>
#include <stdint.h>

#include <array>
#include <memory>
#include <optional>
#include <unordered_map>
#include <vector>

#include "base/containers/linked_list.h"
#include "base/containers/span.h"
#include "base/feature_list.h"
#include "base/functional/callback.h"
#include "base/memory/raw_ptr.h"
#include "base/trace_event/process_memory_dump.h"
#include "components/discardable_memory/common/discardable_memory_export.h"

namespace base {
class DiscardableSharedMemory;
}

namespace discardable_memory {

DISCARDABLE_MEMORY_EXPORT extern const base::Feature
    kReleaseDiscardableFreeListPages;

// Implements a heap of discardable shared memory. An array of free lists
// is used to keep track of free blocks.
class DISCARDABLE_MEMORY_EXPORT DiscardableSharedMemoryHeap { … };

}  // namespace discardable_memory

#endif  // COMPONENTS_DISCARDABLE_MEMORY_COMMON_DISCARDABLE_SHARED_MEMORY_HEAP_H_