chromium/services/device/public/cpp/generic_sensor/sensor_reading_shared_buffer_reader.cc

// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "services/device/public/cpp/generic_sensor/sensor_reading_shared_buffer_reader.h"

#include <utility>

#include "base/memory/ptr_util.h"
#include "device/base/synchronization/shared_memory_seqlock_buffer.h"
#include "services/device/public/cpp/generic_sensor/sensor_reading.h"
#include "services/device/public/cpp/generic_sensor/sensor_reading_shared_buffer.h"

namespace {

constexpr int kMaxReadAttemptsCount = …;

}  // namespace

namespace device {

SensorReadingSharedBufferReader::SensorReadingSharedBufferReader(
    base::ReadOnlySharedMemoryMapping mapping)
    : … { … }

SensorReadingSharedBufferReader::~SensorReadingSharedBufferReader() = default;

// static
std::unique_ptr<SensorReadingSharedBufferReader>
SensorReadingSharedBufferReader::Create(base::ReadOnlySharedMemoryRegion region,
                                        uint64_t reading_buffer_offset) { … }

bool SensorReadingSharedBufferReader::GetReading(SensorReading* result) { … }

// static
bool SensorReadingSharedBufferReader::GetReading(
    const SensorReadingSharedBuffer* buffer,
    SensorReading* result) { … }

}  // namespace device