The Tor Browser: tools/profiler/TracedTaskCommon.h@b8a032363ba2

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

     2 /* vim:set ts=2 sw=2 sts=2 et cindent: */

     3 /* This Source Code Form is subject to the terms of the Mozilla Public

     4  * License, v. 2.0. If a copy of the MPL was not distributed with this

     5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     7 #ifndef TRACED_TASK_COMMON_H

     8 #define TRACED_TASK_COMMON_H

    10 #include "base/task.h"

    11 #include "GeckoTaskTracer.h"

    12 #include "nsCOMPtr.h"

    13 #include "nsThreadUtils.h"

    15 namespace mozilla {

    16 namespace tasktracer {

    18 class TracedTaskCommon

    19 {

    20 public:

    21   TracedTaskCommon();

    22   virtual ~TracedTaskCommon() {}

    24 protected:

    25   void Init();

    27   // Sets up the metadata on the current thread's TraceInfo for this task.

    28   // After Run(), ClearTraceInfo is called to reset the metadata.

    29   void SetTraceInfo();

    30   void ClearTraceInfo();

    32   // Its own task Id, an unique number base on its thread Id and a last unique

    33   // task Id stored in its TraceInfo.

    34   uint64_t mTaskId;

    36   uint64_t mSourceEventId;

    37   SourceEventType mSourceEventType;

    38 };

    40 class TracedRunnable : public TracedTaskCommon

    41                      , public nsRunnable

    42 {

    43 public:

    44   NS_DECL_NSIRUNNABLE

    46   TracedRunnable(nsIRunnable* aOriginalObj);

    48 private:

    49   virtual ~TracedRunnable() {}

    51   nsCOMPtr<nsIRunnable> mOriginalObj;

    52 };

    54 class TracedTask : public TracedTaskCommon

    55                  , public Task

    56 {

    57 public:

    58   TracedTask(Task* aOriginalObj);

    59   ~TracedTask()

    60   {

    61     if (mOriginalObj) {

    62       delete mOriginalObj;

    63       mOriginalObj = nullptr;

    64     }

    65   }

    67   virtual void Run();

    69 private:

    70   Task* mOriginalObj;

    71 };

    73 // FakeTracedTask is for tracking events that are not directly dispatched from

    74 // their parents, e.g. The timer events.

    75 class FakeTracedTask : public TracedTaskCommon

    76 {

    77 public:

    78   FakeTracedTask() : TracedTaskCommon() {}

    79   FakeTracedTask(int* aVptr);

    80   FakeTracedTask(const FakeTracedTask& aTask);

    81   void BeginFakeTracedTask();

    82   void EndFakeTracedTask();

    83 };

    85 class AutoRunFakeTracedTask

    86 {

    87 public:

    88   AutoRunFakeTracedTask(FakeTracedTask* aFakeTracedTask);

    89   ~AutoRunFakeTracedTask();

    90 private:

    91   FakeTracedTask mFakeTracedTask;

    92   bool mInitialized;

    93 };

    95 } // namespace tasktracer

    96 } // namespace mozilla

    98 #endif

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