| // Copyright 2019 The Fuchsia Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #pragma once |
| |
| #include <mutex> |
| |
| #include <fbl/unique_fd.h> |
| #include <zircon/thread_annotations.h> |
| |
| // Helper class to record file size information into a log. |
| class FileSizeRecorder { |
| public: |
| FileSizeRecorder(); |
| ~FileSizeRecorder(); |
| |
| // Open a file to record sizes into. |
| bool OpenSizeFile(const char* const path); |
| |
| // If a sizes file was opened, record that the file |name| occupied |
| // |size| bytes. |
| bool AppendSizeInformation(const char* const name, size_t size); |
| |
| private: |
| std::mutex sizes_file_lock_; |
| fbl::unique_fd sizes_file_ TA_GUARDED(sizes_file_lock_); |
| }; |