Files
external_libcamera/include/libcamera/base/thread.h
Barnabás Pőcze 9a7fce1b51 libcamera: base: object,thread: Disable copy/move
Objects of type `Object` and `Thread` have address identities, so they
should not be just moved/copied. And the special member functions
generated by the compiler do not do the right thing. So delete them.

Signed-off-by: Barnabás Pőcze <pobrn@protonmail.com>
Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2025-02-04 18:18:50 +01:00

81 lines
1.5 KiB
C++

/* SPDX-License-Identifier: LGPL-2.1-or-later */
/*
* Copyright (C) 2019, Google Inc.
*
* Thread support
*/
#pragma once
#include <memory>
#include <sys/types.h>
#include <thread>
#include <libcamera/base/private.h>
#include <libcamera/base/class.h>
#include <libcamera/base/message.h>
#include <libcamera/base/signal.h>
#include <libcamera/base/span.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());
int setThreadAffinity(const Span<const unsigned int> &cpus);
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:
LIBCAMERA_DISABLE_COPY_AND_MOVE(Thread)
void startThread();
void finishThread();
void setThreadAffinityInternal();
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 */