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// Copyright 2019 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 BASE_PROFILER_STACK_COPIER_SUSPEND_H_
#define BASE_PROFILER_STACK_COPIER_SUSPEND_H_
#include <memory>
#include "base/base_export.h"
#include "base/profiler/stack_copier.h"
namespace base {
class SuspendableThreadDelegate;
// Supports stack copying on platforms where the profiled thread must be
// explicitly suspended from the profiler thread and the stack is copied from
// the profiler thread.
class BASE_EXPORT StackCopierSuspend : public StackCopier {
public:
StackCopierSuspend(
std::unique_ptr<SuspendableThreadDelegate> thread_delegate);
~StackCopierSuspend() override;
// StackCopier:
bool CopyStack(StackBuffer* stack_buffer,
uintptr_t* stack_top,
TimeTicks* timestamp,
RegisterContext* thread_context,
Delegate* delegate) override;
private:
std::unique_ptr<SuspendableThreadDelegate> thread_delegate_;
};
} // namespace base
#endif // BASE_PROFILER_STACK_COPIER_SUSPEND_H_
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