threadengine.h

/*
 * InspIRCd -- Internet Relay Chat Daemon
 *
 *   Copyright (C) 2014 Attila Molnar <[email protected]>
 *   Copyright (C) 2013, 2017 Sadie Powell <[email protected]>
 *   Copyright (C) 2012 Robby <[email protected]>
 *   Copyright (C) 2009-2010 Daniel De Graaf <[email protected]>
 *   Copyright (C) 2008 Craig Edwards <[email protected]>
 *
 * This file is part of InspIRCd.  InspIRCd is free software: you can
 * redistribute it and/or modify it under the terms of the GNU General Public
 * License as published by the Free Software Foundation, version 2.
 *
 * This program 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 General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
 
#pragma once
 
#include "base.h"
 
class CoreExport Thread
{
 private:
        bool ExitFlag;
 
        ThreadEngine::ThreadState state;
 
        friend class ThreadEngine;
 
 protected:
        bool GetExitFlag()
        {
                return ExitFlag;
        }
 public:
        Thread() : ExitFlag(false)
        {
        }
 
        virtual void Run() = 0;
 
        virtual void SetExitFlag();
 
        void join();
};
 
 
class CoreExport QueuedThread : public Thread
{
        ThreadQueueData queue;
 protected:
        void WaitForQueue()
        {
                queue.Wait();
        }
 public:
        void LockQueue()
        {
                queue.Lock();
        }
        void UnlockQueue()
        {
                queue.Unlock();
        }
        void UnlockQueueWakeup()
        {
                queue.Wakeup();
                queue.Unlock();
        }
        void SetExitFlag() CXX11_OVERRIDE
        {
                queue.Lock();
                Thread::SetExitFlag();
                queue.Wakeup();
                queue.Unlock();
        }
};
 
class CoreExport SocketThread : public Thread
{
        ThreadQueueData queue;
        ThreadSignalData signal;
 protected:
        void WaitForQueue()
        {
                queue.Wait();
        }
 public:
        void NotifyParent();
        SocketThread();
        virtual ~SocketThread();
        void LockQueue()
        {
                queue.Lock();
        }
        void UnlockQueue()
        {
                queue.Unlock();
        }
        void UnlockQueueWakeup()
        {
                queue.Wakeup();
                queue.Unlock();
        }
        void SetExitFlag() CXX11_OVERRIDE
        {
                queue.Lock();
                Thread::SetExitFlag();
                queue.Wakeup();
                queue.Unlock();
        }
 
        virtual void OnNotify() = 0;
};