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/* SPDX-License-Identifier: LGPL-2.1-or-later */
/*
* Copyright (C) 2019, Google Inc.
*
* thread.h - Thread support
*/
#pragma once
#include <memory>
#include <sys/types.h>
#include <thread>
#include <libcamera/base/private.h>
#include <libcamera/base/message.h>
#include <libcamera/base/mutex.h>
#include <libcamera/base/signal.h>
#include <libcamera/base/utils.h>
namespace libcamera {
class EventDispatcher;
class Message;
class Object;
class ThreadData;
class ThreadMain;
class Thread
{
public:
Thread();
virtual ~Thread();
void start();
void exit(int code = 0);
bool wait(utils::duration duration = utils::duration::max());
bool isRunning();
Signal<> finished;
static Thread *current();
static pid_t currentId();
EventDispatcher *eventDispatcher();
void dispatchMessages(Message::Type type = Message::Type::None);
protected:
int exec();
virtual void run();
private:
void startThread();
void finishThread();
void postMessage(std::unique_ptr<Message> msg, Object *receiver);
void removeMessages(Object *receiver);
friend class Object;
friend class ThreadData;
friend class ThreadMain;
void moveObject(Object *object);
void moveObject(Object *object, ThreadData *currentData,
ThreadData *targetData);
std::thread thread_;
ThreadData *data_;
};
} /* namespace libcamera */
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