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package clocksmith
import "time"
const (
// DefaultGranularity - Maximum duration of actual time.Sleep() calls
DefaultGranularity = 5 * time.Second
)
// SleepWithGranularity - sleeps for the given amount of time, with the given granularity;
// doesn't pause if the system goes to hibernation
func SleepWithGranularity(duration time.Duration, granularity time.Duration) {
if duration <= granularity {
time.Sleep(duration)
return
}
start := time.Now().Unix()
for {
time.Sleep(granularity)
elapsed := time.Duration(time.Now().Unix()-start) * time.Second
if elapsed < 0 || elapsed > duration {
break
} else if elapsed > duration-granularity {
time.Sleep(duration - elapsed)
break
}
}
}
// Sleep - sleeps for the given amount of time, with the default granularity;
// doesn't pause if the system goes to hibernation
func Sleep(duration time.Duration) {
SleepWithGranularity(duration, DefaultGranularity)
}
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