зеркало из https://github.com/mozilla/gecko-dev.git
99 строки
2.1 KiB
C++
99 строки
2.1 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:set ts=2 sw=2 sts=2 et cindent: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef TRACED_TASK_COMMON_H
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#define TRACED_TASK_COMMON_H
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#include "base/task.h"
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#include "GeckoTaskTracer.h"
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#include "nsCOMPtr.h"
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#include "nsThreadUtils.h"
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namespace mozilla {
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namespace tasktracer {
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class TracedTaskCommon
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{
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public:
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TracedTaskCommon();
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virtual ~TracedTaskCommon() {}
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protected:
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void Init();
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// Sets up the metadata on the current thread's TraceInfo for this task.
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// After Run(), ClearTraceInfo is called to reset the metadata.
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void SetTraceInfo();
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void ClearTraceInfo();
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// Its own task Id, an unique number base on its thread Id and a last unique
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// task Id stored in its TraceInfo.
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uint64_t mTaskId;
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uint64_t mSourceEventId;
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SourceEventType mSourceEventType;
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};
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class TracedRunnable : public TracedTaskCommon
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, public nsRunnable
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{
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public:
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NS_DECL_NSIRUNNABLE
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TracedRunnable(nsIRunnable* aOriginalObj);
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private:
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virtual ~TracedRunnable() {}
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nsCOMPtr<nsIRunnable> mOriginalObj;
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};
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class TracedTask : public TracedTaskCommon
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, public Task
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{
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public:
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TracedTask(Task* aOriginalObj);
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~TracedTask()
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{
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if (mOriginalObj) {
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delete mOriginalObj;
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mOriginalObj = nullptr;
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}
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}
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virtual void Run();
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private:
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Task* mOriginalObj;
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};
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// FakeTracedTask is for tracking events that are not directly dispatched from
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// their parents, e.g. The timer events.
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class FakeTracedTask : public TracedTaskCommon
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{
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public:
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FakeTracedTask() : TracedTaskCommon() {}
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FakeTracedTask(int* aVptr);
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FakeTracedTask(const FakeTracedTask& aTask);
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void BeginFakeTracedTask();
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void EndFakeTracedTask();
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};
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class AutoRunFakeTracedTask
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{
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public:
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AutoRunFakeTracedTask(FakeTracedTask* aFakeTracedTask);
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~AutoRunFakeTracedTask();
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private:
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FakeTracedTask mFakeTracedTask;
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bool mInitialized;
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};
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} // namespace tasktracer
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} // namespace mozilla
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#endif
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