0701f756b9
Remove the verbose #ifndef/#define/#endif pattern for maintaining header idempotency, and replace it with a simple #pragma once. This simplifies the headers, and prevents redundant changes when header files get moved. Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Jean-Michel Hautbois <jeanmichel.hautbois@ideasonboard.com>
50 lines
936 B
C++
50 lines
936 B
C++
/* SPDX-License-Identifier: LGPL-2.1-or-later */
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/*
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* Copyright (C) 2019, Google Inc.
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*
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* timer.h - Generic timer
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*/
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#pragma once
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#include <chrono>
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#include <stdint.h>
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#include <libcamera/base/private.h>
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#include <libcamera/base/object.h>
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#include <libcamera/base/signal.h>
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namespace libcamera {
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class Message;
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class Timer : public Object
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{
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public:
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Timer(Object *parent = nullptr);
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~Timer();
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void start(unsigned int msec) { start(std::chrono::milliseconds(msec)); }
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void start(std::chrono::milliseconds duration);
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void start(std::chrono::steady_clock::time_point deadline);
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void stop();
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bool isRunning() const;
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std::chrono::steady_clock::time_point deadline() const { return deadline_; }
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Signal<> timeout;
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protected:
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void message(Message *msg) override;
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private:
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void registerTimer();
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void unregisterTimer();
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bool running_;
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std::chrono::steady_clock::time_point deadline_;
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};
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} /* namespace libcamera */
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