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我想在目标 c 中使用以下代码。
var recordingQueue = DispatchQueue(label: "recordingQueue", qos: DispatchQoS.userInteractive)
这是您在 Objective-C 中执行此操作的方式:
dispatch_queue_attr_t qos = dispatch_queue_attr_make_with_qos_class(DISPATCH_QUEUE_SERIAL, QOS_CLASS_USER_INITIATED, -1); dispatch_queue_t recordingQueue = dispatch_queue_create("recordingQueue", qos);