src/Pool.php
function cancelTimer() {
        $this->messenger->stop();
        
        if($this->timer) {
            $this->loop->cancelTimer($this->timer);
            $this->timer = null;
        }
    }
function cancelTimer() {
        $this->messenger->stop();
        
        if($this->timer) {
            $this->loop->cancelTimer($this->timer);
            $this->timer = null;
        }
    }
Cancels only the pool timer. Workers continue to run.
@return void