chromium/third_party/ipcz/src/ipcz/buffer_pool.h

// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef IPCZ_SRC_IPCZ_BUFFER_POOL_H_
#define IPCZ_SRC_IPCZ_BUFFER_POOL_H_

#include <cstdint>
#include <map>
#include <memory>

#include "ipcz/block_allocator.h"
#include "ipcz/buffer_id.h"
#include "ipcz/driver_memory_mapping.h"
#include "ipcz/fragment.h"
#include "ipcz/fragment_descriptor.h"
#include "third_party/abseil-cpp/absl/container/flat_hash_map.h"
#include "third_party/abseil-cpp/absl/synchronization/mutex.h"
#include "third_party/abseil-cpp/absl/types/span.h"

namespace ipcz {

class BlockAllocatorPool;

// BufferPool maintains ownership of an extensible collection of mapped
// DriverMemory buffers, exposing access to them for dynamic memory allocation
// and arbitrary state sharing. Every buffer owned by a BufferPool is identified
// by a unique BufferId, and once a buffer is added to the pool it remains there
// indefinitely.
//
// BufferPool objects are thread-safe.
class BufferPool { … };

}  // namespace ipcz

#endif  // IPCZ_SRC_IPCZ_BUFFER_POOL_H_