92 lines
3.0 KiB
C++
92 lines
3.0 KiB
C++
/**
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* SourceMod Threader API (C)2007 AlliedModders LLC. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* Version: $Id$
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*/
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#ifndef _INCLUDE_SOURCEMOD_BASEWORKER_H
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#define _INCLUDE_SOURCEMOD_BASEWORKER_H
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#include "sh_list.h"
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#include "ThreadSupport.h"
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#define SM_DEFAULT_THREADS_PER_FRAME 1
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class BaseWorker;
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//SW = Simple Wrapper
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class SWThreadHandle : public IThreadHandle
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{
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friend class BaseWorker;
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public:
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SWThreadHandle(IThreadCreator *parent, const ThreadParams *p, IThread *thread);
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IThread *GetThread();
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public:
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//NOTE: We don't support this by default.
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//It's specific usage that'd require many mutexes
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virtual bool WaitForThread();
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public:
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virtual void DestroyThis();
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virtual IThreadCreator *Parent();
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virtual void GetParams(ThreadParams *ptparams);
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public:
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//Priorities not supported by default.
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virtual ThreadPriority GetPriority();
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virtual bool SetPriority(ThreadPriority prio);
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public:
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virtual ThreadState GetState();
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virtual bool Unpause();
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private:
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ThreadState m_state;
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ThreadParams m_params;
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IThreadCreator *m_parent;
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IThread *pThread;
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};
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class BaseWorker : public IThreadWorker
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{
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public:
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BaseWorker();
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virtual ~BaseWorker();
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public: //IWorker
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virtual unsigned int RunFrame();
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//Controls the worker
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virtual bool Pause();
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virtual bool Unpause();
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virtual bool Start();
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virtual bool Stop(bool flush_cancel);
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//Flushes out any remaining threads
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virtual unsigned int Flush(bool flush_cancel);
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//returns status and number of threads in queue
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virtual WorkerState GetStatus(unsigned int *numThreads);
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public: //IThreadCreator
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virtual void MakeThread(IThread *pThread);
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virtual IThreadHandle *MakeThread(IThread *pThread, ThreadFlags flags);
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virtual IThreadHandle *MakeThread(IThread *pThread, const ThreadParams *params);
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virtual void GetPriorityBounds(ThreadPriority &max, ThreadPriority &min);
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public: //BaseWorker
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virtual void AddThreadToQueue(SWThreadHandle *pHandle);
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virtual SWThreadHandle *PopThreadFromQueue();
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virtual void SetMaxThreadsPerFrame(unsigned int threads);
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virtual unsigned int GetMaxThreadsPerFrame();
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protected:
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SourceHook::List<SWThreadHandle *> m_ThreadQueue;
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unsigned int m_perFrame;
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volatile WorkerState m_state;
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};
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#endif //_INCLUDE_SOURCEMOD_BASEWORKER_H
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