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// Copyright 2018 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_COMMON_HEAP_PROFILER_CONTROLLER_H_
#define CHROME_COMMON_HEAP_PROFILER_CONTROLLER_H_
#include "base/macros.h"
#include "base/memory/ref_counted.h"
#include "base/synchronization/atomic_flag.h"
// HeapProfilerController controls collection of sampled heap allocation
// snapshots for the current process.
class HeapProfilerController {
public:
HeapProfilerController();
~HeapProfilerController();
// Starts periodic heap snapshot collection.
void Start();
private:
using StoppedFlag = base::RefCountedData<base::AtomicFlag>;
static void ScheduleNextSnapshot(scoped_refptr<StoppedFlag> stopped);
static void TakeSnapshot(scoped_refptr<StoppedFlag> stopped);
static void RetrieveAndSendSnapshot();
scoped_refptr<StoppedFlag> stopped_;
DISALLOW_COPY_AND_ASSIGN(HeapProfilerController);
};
#endif // CHROME_COMMON_HEAP_PROFILER_CONTROLLER_H_
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