amxmodx/modules/mysqlx/thread/BaseWorker.h

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// vim: set ts=4 sw=4 tw=99 noet:
//
// AMX Mod X, based on AMX Mod by Aleksander Naszko ("OLO").
// Copyright (C) The AMX Mod X Development Team.
//
// This software is licensed under the GNU General Public License, version 3 or higher.
// Additional exceptions apply. For full license details, see LICENSE.txt or visit:
// https://alliedmods.net/amxmodx-license
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#ifndef _INCLUDE_SOURCEMOD_BASEWORKER_H
#define _INCLUDE_SOURCEMOD_BASEWORKER_H
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#include <amtl/am-linkedlist.h>
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#include "ThreadSupport.h"
#define SM_DEFAULT_THREADS_PER_FRAME 1
class BaseWorker;
//SW = Simple Wrapper
class SWThreadHandle : public IThreadHandle
{
friend class BaseWorker;
public:
SWThreadHandle(IThreadCreator *parent, const ThreadParams *p, IThread *thread);
IThread *GetThread();
public:
//NOTE: We don't support this by default.
//It's specific usage that'd require many mutexes
virtual bool WaitForThread();
public:
virtual void DestroyThis();
virtual IThreadCreator *Parent();
virtual void GetParams(ThreadParams *ptparams);
public:
//Priorities not supported by default.
virtual ThreadPriority GetPriority();
virtual bool SetPriority(ThreadPriority prio);
public:
virtual ThreadState GetState();
virtual bool Unpause();
private:
ThreadState m_state;
ThreadParams m_params;
IThreadCreator *m_parent;
IThread *pThread;
};
class BaseWorker : public IWorker
{
public:
BaseWorker();
virtual ~BaseWorker();
public: //IWorker
virtual unsigned int RunFrame();
//Controls the worker
virtual bool Pause();
virtual bool Unpause();
virtual bool Start();
virtual bool Stop(bool flush_cancel);
//Flushes out any remaining threads
virtual unsigned int Flush(bool flush_cancel);
//returns status and number of threads in queue
virtual WorkerState GetStatus(unsigned int *numThreads);
public: //IThreadCreator
virtual void MakeThread(IThread *pThread);
virtual IThreadHandle *MakeThread(IThread *pThread, ThreadFlags flags);
virtual IThreadHandle *MakeThread(IThread *pThread, const ThreadParams *params);
virtual void GetPriorityBounds(ThreadPriority &max, ThreadPriority &min);
public: //BaseWorker
virtual void AddThreadToQueue(SWThreadHandle *pHandle);
virtual SWThreadHandle *PopThreadFromQueue();
virtual void SetMaxThreadsPerFrame(unsigned int threads);
virtual unsigned int GetMaxThreadsPerFrame();
protected:
ke::LinkedList<SWThreadHandle *> m_ThreadQueue;
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unsigned int m_perFrame;
volatile WorkerState m_state;
};
#endif //_INCLUDE_SOURCEMOD_BASEWORKER_H