snapshot of https://github.com/centrifugal/centrifugo.git (master, 2026-09-16; blobs > 131072B omitted)

internal/timers/pool.go

@@ -0,0 +1,34 @@
+package timers
+
+import (
+	"sync"
+	"time"
+)
+
+var timerPool sync.Pool
+
+// AcquireTimer from pool.
+func AcquireTimer(d time.Duration) *time.Timer {
+	v := timerPool.Get()
+	if v == nil {
+		return time.NewTimer(d)
+	}
+	tm := v.(*time.Timer)
+	if tm.Reset(d) {
+		panic("Received an active timer from the pool!")
+	}
+	return tm
+}
+
+// ReleaseTimer to pool.
+func ReleaseTimer(tm *time.Timer) {
+	if !tm.Stop() {
+		// Collect possibly added time from the channel
+		// If timer has been stopped and nobody collected its value.
+		select {
+		case <-tm.C:
+		default:
+		}
+	}
+	timerPool.Put(tm)
+}