Files
external_libcamera/include/libcamera/base/thread.h
Kieran Bingham e228c290c9 libcamera/base: Validate internal headers as private
Headers which must not be exposed as part of the public libcamera API
should include base/private.h.

Any interface which includes the private.h header will only be able to
build if the libcamera_private dependency is used (or the
libcamera_base_private dependency directly).

Build targets which are intended to use the private API's will use the
libcamera_private to handle the automatic definition of the inclusion
guard.

Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2021-06-25 16:11:11 +01:00

79 lines
1.5 KiB
C++

/* SPDX-License-Identifier: LGPL-2.1-or-later */
/*
* Copyright (C) 2019, Google Inc.
*
* thread.h - Thread support
*/
#ifndef __LIBCAMERA_BASE_THREAD_H__
#define __LIBCAMERA_BASE_THREAD_H__
#include <memory>
#include <mutex>
#include <sys/types.h>
#include <thread>
#include <libcamera/base/private.h>
#include <libcamera/base/message.h>
#include <libcamera/base/signal.h>
#include <libcamera/base/utils.h>
namespace libcamera {
class EventDispatcher;
class Message;
class Object;
class ThreadData;
class ThreadMain;
using Mutex = std::mutex;
using MutexLocker = std::unique_lock<std::mutex>;
class Thread
{
public:
Thread();
virtual ~Thread();
void start();
void exit(int code = 0);
bool wait(utils::duration duration = utils::duration::max());
bool isRunning();
Signal<Thread *> 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 */
#endif /* __LIBCAMERA_BASE_THREAD_H__ */