28 lines
831 B
C
28 lines
831 B
C
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// Copyright 2021 The Chromium Authors
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef BASE_POWER_MONITOR_SAMPLING_EVENT_SOURCE_H_
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#define BASE_POWER_MONITOR_SAMPLING_EVENT_SOURCE_H_
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#include "base/base_export.h"
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#include "base/functional/callback_forward.h"
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namespace base {
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// Invokes a callback when a Sample should be requested from all Samplers.
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class BASE_EXPORT SamplingEventSource {
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public:
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using SamplingEventCallback = RepeatingClosure;
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virtual ~SamplingEventSource() = 0;
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// Starts generating sampling events. Returns whether the operation succeeded.
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// |callback| is invoked for every sampling event.
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virtual bool Start(SamplingEventCallback callback) = 0;
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};
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} // namespace base
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#endif // BASE_POWER_MONITOR_SAMPLING_EVENT_SOURCE_H_
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