chromium/base/task/common/task_annotator.h

// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef BASE_TASK_COMMON_TASK_ANNOTATOR_H_
#define BASE_TASK_COMMON_TASK_ANNOTATOR_H_

#include <stdint.h>

#include <string_view>

#include "base/auto_reset.h"
#include "base/base_export.h"
#include "base/memory/raw_ptr_exclusion.h"
#include "base/pending_task.h"
#include "base/time/tick_clock.h"
#include "base/trace_event/base_tracing.h"

namespace base {

// Constant used to measure which long-running tasks should be traced.
constexpr TimeDelta kMaxTaskDurationTimeDelta = …;

// Implements common debug annotations for posted tasks. This includes data
// such as task origins, IPC message contexts, queueing durations and memory
// usage.
class BASE_EXPORT TaskAnnotator { … };

class BASE_EXPORT [[maybe_unused, nodiscard]] TaskAnnotator::ScopedSetIpcHash { … };

class BASE_EXPORT [[maybe_unused, nodiscard]] TaskAnnotator::LongTaskTracker { … };

}  // namespace base

#endif  // BASE_TASK_COMMON_TASK_ANNOTATOR_H_