chromium/third_party/ipcz/src/ipcz/buffer_pool.cc

// 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.

#include "ipcz/buffer_pool.h"

#include <algorithm>

#include "ipcz/block_allocator_pool.h"
#include "third_party/abseil-cpp/absl/base/macros.h"
#include "third_party/abseil-cpp/absl/container/flat_hash_map.h"
#include "third_party/abseil-cpp/absl/numeric/bits.h"
#include "third_party/abseil-cpp/absl/synchronization/mutex.h"

namespace ipcz {

BufferPool::BufferPool() = default;

BufferPool::~BufferPool() = default;

Fragment BufferPool::GetFragment(const FragmentDescriptor& descriptor) { … }

bool BufferPool::AddBlockBuffer(
    BufferId id,
    DriverMemoryMapping mapping,
    absl::Span<const BlockAllocator> block_allocators) { … }

size_t BufferPool::GetTotalBlockCapacity(size_t block_size) { … }

Fragment BufferPool::AllocateBlock(size_t block_size) { … }

Fragment BufferPool::AllocateBlockBestEffort(size_t preferred_block_size) { … }

bool BufferPool::FreeBlock(const Fragment& fragment) { … }

void BufferPool::WaitForBufferAsync(BufferId id,
                                    WaitForBufferCallback callback) { … }

}  // namespace ipcz