Runable.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/Strings.h>
 
#include <list>
#include <mutex>
 
namespace sptk {
 
class SP_EXPORT Runable
{
public:
    explicit Runable(const String& name);
 
    virtual ~Runable() = default;
 
    void execute();
 
    virtual void terminate();
 
    bool terminated() const;
 
    String name() const
    {
        return m_name;
    }
 
protected:
    virtual void run() = 0;
 
private:
    using SRunable = std::shared_ptr<Runable>;
 
    mutable std::mutex m_dataMutex;           
    bool m_terminated {false};                
    const String m_name;                      
    std::list<SRunable>::iterator m_position; 
 
    void setTerminated(bool terminated);
};
 
using SRunable = std::shared_ptr<Runable>;
 
class RunableQueue
{
public:
    void push(const SRunable& runable);
 
private:
    mutable std::mutex m_mutex;
    std::list<SRunable> m_queue;
};
 
} // namespace sptk