44e0efe0e6
This is intended to make SequencedTaskChecker work for native dispatch queues on iOS and macOS. These labels can be compared by their pointers to determine if a task is running on the same queue. BUG=webrtc:6643 Review-Url: https://codereview.webrtc.org/2464383002 Cr-Commit-Position: refs/heads/master@{#14900}
46 lines
1.4 KiB
C++
46 lines
1.4 KiB
C++
/*
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* Copyright (c) 2016 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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#ifndef WEBRTC_BASE_SEQUENCED_TASK_CHECKER_IMPL_H_
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#define WEBRTC_BASE_SEQUENCED_TASK_CHECKER_IMPL_H_
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#include "webrtc/base/thread_checker.h"
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namespace rtc {
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class TaskQueue;
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// Real implementation of SequencedTaskChecker, for use in debug mode, or
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// for temporary use in release mode.
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//
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// Note: You should almost always use the SequencedTaskChecker class to get the
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// right version for your build configuration.
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class SequencedTaskCheckerImpl {
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public:
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SequencedTaskCheckerImpl();
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~SequencedTaskCheckerImpl();
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bool CalledSequentially() const;
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// Changes the task queue or thread that is checked for in IsCurrent. This
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// may be useful when an object may be created on one task queue / thread and
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// then used exclusively on another thread.
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void Detach();
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private:
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typedef const void* QueueId;
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CriticalSection lock_;
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ThreadChecker thread_checker_;
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mutable bool attached_;
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mutable QueueId valid_queue_;
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};
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} // namespace rtc
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#endif // WEBRTC_BASE_SEQUENCED_TASK_CHECKER_IMPL_H_
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