Thread.h

/*
╔══════════════════════════════════════════════════════════════════════════════╗
║                       SIMPLY POWERFUL TOOLKIT (SPTK)                         ║
╟──────────────────────────────────────────────────────────────────────────────╢
║  copyright            © 1999-2022 Alexey Parshin. All rights reserved.       ║
║  email                alexeyp@gmail.com                                      ║
╚══════════════════════════════════════════════════════════════════════════════╝
┌──────────────────────────────────────────────────────────────────────────────┐
│   This library is free software; you can redistribute it and/or modify it    │
│   under the terms of the GNU Library General Public License as published by  │
│   the Free Software Foundation; either version 2 of the License, or (at your │
│   option) any later version.                                                 │
│                                                                              │
│   This library is distributed in the hope that it will be useful, but        │
│   WITHOUT ANY WARRANTY; without even the implied warranty of                 │
│   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library   │
│   General Public License for more details.                                   │
│                                                                              │
│   You should have received a copy of the GNU Library General Public License  │
│   along with this library; if not, write to the Free Software Foundation,    │
│   Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.               │
│                                                                              │
│   Please report all bugs and problems to alexeyp@gmail.com.                  │
└──────────────────────────────────────────────────────────────────────────────┘
*/
 
#pragma once
 
#include <sptk5/threads/Locks.h>
 
#include "Semaphore.h"
#include <atomic>
#include <mutex>
#include <thread>
 
namespace sptk {
class ThreadManager;
 
class SP_EXPORT Thread
{
    SharedMutex m_mutex;                            
    String m_name;                                  
    std::shared_ptr<std::thread> m_thread;          
    bool m_terminated {false};                      
    Semaphore m_pause;                              
    std::shared_ptr<ThreadManager> m_threadManager; 
 
    void threadStart();
 
public:
    using Id = std::thread::id;
 
 
    explicit Thread(const String& name, const std::shared_ptr<ThreadManager>& threadManager = nullptr);
 
    virtual ~Thread();
 
    virtual void run();
 
    bool running() const;
 
    virtual void threadFunction() = 0;
 
    virtual void terminate();
 
    virtual void onThreadExit()
    {
        // Implement in derived class, if needed
    }
 
    virtual bool terminated();
 
    virtual void join();
 
    Id id() const;
 
    const String& name() const
    {
        return m_name;
    }
 
    virtual bool sleep_for(std::chrono::milliseconds interval);
 
    virtual bool sleep_until(const DateTime& timestamp);
};
 
using SThread = std::shared_ptr<Thread>;
 
using UThread = std::unique_ptr<Thread>;
 
} // namespace sptk