ebf739be7b
This is a reland of de86381161651816c078adeb354902b15d03a35b Original change's description: > Leverage dispatch_queue_create_with_target when possible. > > Replacing dispatch_queue_create followed by > dispatch_set_target_queue with dispatch_queue_create_with_target > is claimed to be source of GCD performance improvement: > https://developer.apple.com/videos/play/wwdc2017/706/ > Video since 40 min. Slides since 199. > > Bug: webrtc:9055 > Change-Id: I0136f7faaef0951a7ad243bc8772f3ee952d5470 > Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/168491 > Reviewed-by: Tommi <tommi@webrtc.org> > Reviewed-by: Kári Helgason <kthelgason@webrtc.org> > Commit-Queue: Yura Yaroshevich <yura.yaroshevich@gmail.com> > Cr-Commit-Position: refs/heads/master@{#30781} Bug: webrtc:9055 Change-Id: I36b0b6423c81c0497f66f7c993741c33ff6ec5ba Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/170443 Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org> Reviewed-by: Tommi <tommi@webrtc.org> Reviewed-by: Kári Helgason <kthelgason@webrtc.org> Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org> Cr-Commit-Position: refs/heads/master@{#30821}
22 lines
935 B
Objective-C
22 lines
935 B
Objective-C
/*
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* Copyright 2020 The WebRTC Project Authors. All rights reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "rtc_base/system/gcd_helpers.h"
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dispatch_queue_t RTCDispatchQueueCreateWithTarget(const char *label,
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dispatch_queue_attr_t attr,
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dispatch_queue_t target) {
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if (@available(iOS 10, macOS 10.12, tvOS 10, watchOS 3, *)) {
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return dispatch_queue_create_with_target(label, attr, target);
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}
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dispatch_queue_t queue = dispatch_queue_create(label, attr);
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dispatch_set_target_queue(queue, target);
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return queue;
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} |