1 #ifndef BENCHMARK_SLEEP_H_
2 #define BENCHMARK_SLEEP_H_
3 
4 namespace benchmark {
5 const int kNumMillisPerSecond = 1000;
6 const int kNumMicrosPerMilli = 1000;
7 const int kNumMicrosPerSecond = kNumMillisPerSecond * 1000;
8 const int kNumNanosPerMicro = 1000;
9 const int kNumNanosPerSecond = kNumNanosPerMicro * kNumMicrosPerSecond;
10 
11 void SleepForMilliseconds(int milliseconds);
12 void SleepForSeconds(double seconds);
13 }  // end namespace benchmark
14 
15 #endif  // BENCHMARK_SLEEP_H_
16