chromium/third_party/ipcz/src/ipcz/fragment_descriptor.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_FRAGMENT_DESCRIPTOR_H_
#define IPCZ_SRC_IPCZ_FRAGMENT_DESCRIPTOR_H_

#include <cstdint>
#include <tuple>

#include "ipcz/buffer_id.h"
#include "ipcz/ipcz.h"

namespace ipcz {

// Represents a span of memory within the shared memory regions owned by a
// BufferPool. A FragmentDescriptor can be resolved to a concrete Fragment
// by passing it to GetFragment() on an appropriate BufferPool object.
//
// NOTE: This is a wire structure which must remain stable over time.
struct IPCZ_ALIGN(8) FragmentDescriptor { … };
static_assert …;

}  // namespace ipcz

#endif  // IPCZ_SRC_IPCZ_FRAGMENT_DESCRIPTOR_H_