opt: increase the interval of waiting in ReleaseTimeout()

ants.go

@@ -96,7 +96,10 @@ var (
 	defaultAntsPool, _ = NewPool(DefaultAntsPoolSize)
 )
 
-const nowTimeUpdateInterval = 500 * time.Millisecond
+const (
+	nowTimeUpdateInterval  = 500 * time.Millisecond
+	releaseTimeoutInterval = 100 * time.Millisecond
+)
 
 // Logger is used for logging formatted messages.
 type Logger interface {

pool.go

@@ -306,7 +306,7 @@ func (p *Pool) ReleaseTimeout(timeout time.Duration) error {
 			atomic.LoadInt32(&p.ticktockDone) == 1 {
 			return nil
 		}
-		time.Sleep(10 * time.Millisecond)
+		time.Sleep(releaseTimeoutInterval)
 	}
 	return ErrTimeout
 }

pool_func.go

@@ -311,7 +311,7 @@ func (p *PoolWithFunc) ReleaseTimeout(timeout time.Duration) error {
 			atomic.LoadInt32(&p.ticktockDone) == 1 {
 			return nil
 		}
-		time.Sleep(10 * time.Millisecond)
+		time.Sleep(releaseTimeoutInterval)
 	}
 	return ErrTimeout
 }