blob: f6367a8f448b5025f4fcd26da3637890219b5933 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
|
/* SPDX-License-Identifier: LGPL-2.1-or-later */
/*
* Copyright (C) 2019, Google Inc.
*
* thread.h - Thread support
*/
#ifndef __LIBCAMERA_INTERNAL_THREAD_H__
#define __LIBCAMERA_INTERNAL_THREAD_H__
#include <memory>
#include <mutex>
#include <sys/types.h>
#include <thread>
#include <libcamera/signal.h>
#include "libcamera/internal/message.h"
#include "libcamera/internal/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 setEventDispatcher(std::unique_ptr<EventDispatcher> dispatcher);
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_INTERNAL_THREAD_H__ */
|
