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fwzookeeper
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fwzookeeper/vendor/github.com/valyala/fasthttp/timer.go

45 lines
743 B
Go

package fasthttp
import (
"sync"
"time"
)
func initTimer(t *time.Timer, timeout time.Duration) *time.Timer {
if t == nil {
return time.NewTimer(timeout)
}
if t.Reset(timeout) {
panic("BUG: active timer trapped into initTimer()")
}
return t
}
func stopTimer(t *time.Timer) {
if !t.Stop() {
// Collect possibly added time from the channel
// if timer has been stopped and nobody collected its' value.
select {
case <-t.C:
default:
}
}
}
func acquireTimer(timeout time.Duration) *time.Timer {
v := timerPool.Get()
if v == nil {
return time.NewTimer(timeout)
}
t := v.(*time.Timer)
initTimer(t, timeout)
return t
}
func releaseTimer(t *time.Timer) {
stopTimer(t)
timerPool.Put(t)
}
var timerPool sync.Pool