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e307a4d92c
This should reduce the number of memory allocations in highly loaded system
39 lines
713 B
Go
39 lines
713 B
Go
package timerpool
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import (
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"sync"
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"time"
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"github.com/VictoriaMetrics/VictoriaMetrics/lib/logger"
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)
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// Get returns a timer for the given duration d from the pool.
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//
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// Return back the timer to the pool with Put.
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func Get(d time.Duration) *time.Timer {
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if v := timerPool.Get(); v != nil {
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t := v.(*time.Timer)
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if t.Reset(d) {
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logger.Panicf("BUG: active timer trapped to the pool!")
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}
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return t
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}
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return time.NewTimer(d)
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}
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// Put returns t to the pool.
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//
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// t cannot be accessed after returning to the pool.
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func Put(t *time.Timer) {
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if !t.Stop() {
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// Drain t.C if it wasn't obtained by the caller yet.
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select {
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case <-t.C:
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default:
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}
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}
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timerPool.Put(t)
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}
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var timerPool sync.Pool
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