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7a603394cc
This will be used by simulated time controller to allow processing other tasks while waiting on an Event. This makes posting of blocking tasks possible. Bug: webrtc:10365 Change-Id: Ic3fb156d545eed2c036939121b89295433176e26 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/128121 Commit-Queue: Sebastian Jansson <srte@webrtc.org> Reviewed-by: Karl Wiberg <kwiberg@webrtc.org> Cr-Commit-Position: refs/heads/master@{#27214}
36 lines
1.1 KiB
C++
36 lines
1.1 KiB
C++
/*
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* Copyright 2019 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 RTC_BASE_SYNCHRONIZATION_YIELD_POLICY_H_
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#define RTC_BASE_SYNCHRONIZATION_YIELD_POLICY_H_
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namespace rtc {
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class YieldInterface {
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public:
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virtual ~YieldInterface() = default;
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virtual void YieldExecution() = 0;
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};
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// Sets the current thread-local yield policy while it's in scope and reverts
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// to the previous policy when it leaves the scope.
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class ScopedYieldPolicy final {
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public:
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explicit ScopedYieldPolicy(YieldInterface* policy);
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~ScopedYieldPolicy();
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// Will yield as specified by the currently active thread-local yield policy
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// (which by default is a no-op).
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static void YieldExecution();
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private:
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YieldInterface* const previous_;
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};
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} // namespace rtc
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#endif // RTC_BASE_SYNCHRONIZATION_YIELD_POLICY_H_
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