| /* | 
 |  *  Copyright 2020 The WebRTC Project Authors. All rights reserved. | 
 |  * | 
 |  *  Use of this source code is governed by a BSD-style license | 
 |  *  that can be found in the LICENSE file in the root of the source | 
 |  *  tree. An additional intellectual property rights grant can be found | 
 |  *  in the file PATENTS.  All contributing project authors may | 
 |  *  be found in the AUTHORS file in the root of the source tree. | 
 |  */ | 
 |  | 
 | #include "rtc_base/system/gcd_helpers.h" | 
 |  | 
 | dispatch_queue_t RTCDispatchQueueCreateWithTarget(const char *label, | 
 |                                                   dispatch_queue_attr_t attr, | 
 |                                                   dispatch_queue_t target) { | 
 |   if (@available(iOS 10, macOS 10.12, tvOS 10, watchOS 3, *)) { | 
 |     return dispatch_queue_create_with_target(label, attr, target); | 
 |   } | 
 |   dispatch_queue_t queue = dispatch_queue_create(label, attr); | 
 |   dispatch_set_target_queue(queue, target); | 
 |   return queue; | 
 | } |