| // Copyright 2017 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef TIME_UTILS_H_ |
| #define TIME_UTILS_H_ |
| |
| #include <stdint.h> |
| |
| namespace time_utils { |
| |
| uint64_t GetTimestamp(); |
| |
| class PeriodicTimer { |
| public: |
| PeriodicTimer(int interval_ms); |
| ~PeriodicTimer(); |
| |
| void Start(); |
| void Stop(); |
| // Wait for next tick. Returns false if interrupted by Stop() or not started. |
| bool Wait(); |
| |
| private: |
| PeriodicTimer(const PeriodicTimer&) = delete; |
| void operator=(const PeriodicTimer&) = delete; |
| |
| const int interval_ms_; |
| int timer_fd_; |
| }; |
| |
| } // namespace time_utils |
| |
| #endif // TIME_UTILS_ |