| /* |
| * Copyright (C) 2015 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef GAPIC_TIMER_H |
| #define GAPIC_TIMER_H |
| |
| #include <cstdint> |
| |
| namespace gapic { |
| |
| // Timer provides a timer that measures monotonic time between calls to Start() and Stop(). |
| class Timer { |
| public: |
| // Begin the timer. |
| void Start(); |
| |
| // Stop the timer and report the time in nanoseconds since Start was called. |
| uint64_t Stop(); |
| |
| private: |
| uint64_t mStartTime; // Units dependent on platform. |
| }; |
| |
| } // namespace gapic |
| |
| #endif // GAPIC_TIMER_H |