105 lines
3.7 KiB
C++
105 lines
3.7 KiB
C++
/**
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* vim: set ts=4 :
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* =============================================================================
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* SourceMod
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* Copyright (C) 2004-2008 AlliedModders LLC. All rights reserved.
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* =============================================================================
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*
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* This program is free software; you can redistribute it and/or modify it under
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* the terms of the GNU General Public License, version 3.0, as published by the
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* Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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* details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* As a special exception, AlliedModders LLC gives you permission to link the
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* code of this program (as well as its derivative works) to "Half-Life 2," the
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* "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software
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* by the Valve Corporation. You must obey the GNU General Public License in
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* all respects for all other code used. Additionally, AlliedModders LLC grants
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* this exception to all derivative works. AlliedModders LLC defines further
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* exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),
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* or <http://www.sourcemod.net/license.php>.
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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(IThreadWorkerCallbacks *hooks);
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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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IThreadWorkerCallbacks *m_pHooks;
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};
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#endif //_INCLUDE_SOURCEMOD_BASEWORKER_H
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