(PHP 8 >= 8.4.0)
pcntl_getqos_class — Get the QoS class of the current thread
Retrieve the QoS class.
注意: This function is only available on Apple platforms.
此函数没有参数。
Returns the Pcntl\QosClass.
Throws an Error if the underlying call to
pthread_get_qos_class_np() fails.