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92ea95e34a
In https://webrtc-review.googlesource.com/c/src/+/1560 we moved WebRTC from src/webrtc to src/ (in order to preserve an healthy git history). This CL takes care of fixing header guards, #include paths, etc... NOPRESUBMIT=true NOTREECHECKS=true NOTRY=true TBR=tommi@webrtc.org Bug: chromium:611808 Change-Id: Iea91618212bee0af16aa3f05071eab8f93706578 Reviewed-on: https://webrtc-review.googlesource.com/1561 Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org> Reviewed-by: Henrik Kjellander <kjellander@webrtc.org> Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org> Cr-Commit-Position: refs/heads/master@{#19846}
79 lines
2.5 KiB
C++
79 lines
2.5 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 RTC_BASE_SEQUENCED_TASK_CHECKER_H_
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#define RTC_BASE_SEQUENCED_TASK_CHECKER_H_
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// Apart from debug builds, we also enable the sequence checker in
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// builds with RTC_DCHECK_IS_ON so that trybots and waterfall bots
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// with this define will get the same level of checking as debug bots.
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#define ENABLE_SEQUENCED_TASK_CHECKER RTC_DCHECK_IS_ON
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#include "rtc_base/checks.h"
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#include "rtc_base/constructormagic.h"
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#include "rtc_base/sequenced_task_checker_impl.h"
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#include "rtc_base/thread_annotations.h"
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namespace rtc {
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// Do nothing implementation, for 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 SequencedTaskCheckerDoNothing {
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public:
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bool CalledSequentially() const { return true; }
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void Detach() {}
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};
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// SequencedTaskChecker is a helper class used to help verify that some methods
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// of a class are called on the same task queue or thread. A
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// SequencedTaskChecker is bound to a a task queue if the object is
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// created on a task queue, or a thread otherwise.
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//
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//
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// Example:
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// class MyClass {
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// public:
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// void Foo() {
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// RTC_DCHECK(sequence_checker_.CalledSequentially());
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// ... (do stuff) ...
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// }
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//
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// private:
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// SequencedTaskChecker sequence_checker_;
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// }
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//
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// In Release mode, CalledOnValidThread will always return true.
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#if ENABLE_SEQUENCED_TASK_CHECKER
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class RTC_LOCKABLE SequencedTaskChecker : public SequencedTaskCheckerImpl {};
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#else
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class RTC_LOCKABLE SequencedTaskChecker : public SequencedTaskCheckerDoNothing {
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};
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#endif // ENABLE_SEQUENCED_TASK_CHECKER_H_
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namespace internal {
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class RTC_SCOPED_LOCKABLE SequencedTaskCheckerScope {
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public:
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explicit SequencedTaskCheckerScope(const SequencedTaskChecker* checker)
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RTC_EXCLUSIVE_LOCK_FUNCTION(checker);
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~SequencedTaskCheckerScope() RTC_UNLOCK_FUNCTION();
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};
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} // namespace internal
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#define RTC_DCHECK_CALLED_SEQUENTIALLY(x) \
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rtc::internal::SequencedTaskCheckerScope checker(x)
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#undef ENABLE_SEQUENCED_TASK_CHECKER
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} // namespace rtc
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#endif // RTC_BASE_SEQUENCED_TASK_CHECKER_H_
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