core/thread/ThreadWorker.h
author David Anderson <dvander@alliedmods.net>
Sun Jul 06 00:51:05 2008 +0000 (2008-07-06)
changeset 2163 e4eaf8851770
parent 1952 b7aa2b626807
child 2289 44045ead61cd
permissions -rw-r--r--
amb1797 - reduced query staggering time from 500ms to 50ms
     1 /**
     2  * vim: set ts=4 :
     3  * =============================================================================
     4  * SourceMod
     5  * Copyright (C) 2004-2008 AlliedModders LLC.  All rights reserved.
     6  * =============================================================================
     7  *
     8  * This program is free software; you can redistribute it and/or modify it under
     9  * the terms of the GNU General Public License, version 3.0, as published by the
    10  * Free Software Foundation.
    11  * 
    12  * This program is distributed in the hope that it will be useful, but WITHOUT
    13  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
    14  * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
    15  * details.
    16  *
    17  * You should have received a copy of the GNU General Public License along with
    18  * this program.  If not, see <http://www.gnu.org/licenses/>.
    19  *
    20  * As a special exception, AlliedModders LLC gives you permission to link the
    21  * code of this program (as well as its derivative works) to "Half-Life 2," the
    22  * "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software
    23  * by the Valve Corporation.  You must obey the GNU General Public License in
    24  * all respects for all other code used.  Additionally, AlliedModders LLC grants
    25  * this exception to all derivative works.  AlliedModders LLC defines further
    26  * exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),
    27  * or <http://www.sourcemod.net/license.php>.
    28  *
    29  * Version: $Id$
    30  */
    31 
    32 #ifndef _INCLUDE_SOURCEMOD_THREADWORKER_H
    33 #define _INCLUDE_SOURCEMOD_THREADWORKER_H
    34 
    35 #include "BaseWorker.h"
    36 
    37 #define DEFAULT_THINK_TIME_MS	50
    38 
    39 class ThreadWorker : public BaseWorker, public IThread
    40 {
    41 public:
    42 	ThreadWorker(IThreadWorkerCallbacks *hooks);
    43 	ThreadWorker(IThreadWorkerCallbacks *hooks, IThreader *pThreader, unsigned int thinktime=DEFAULT_THINK_TIME_MS);
    44 	virtual ~ThreadWorker();
    45 public:	//IThread
    46 	virtual void OnTerminate(IThreadHandle *pHandle, bool cancel);
    47 	virtual void RunThread(IThreadHandle *pHandle);
    48 public:	//IWorker
    49 	//Controls the worker
    50 	virtual bool Pause();
    51 	virtual bool Unpause();
    52 	virtual bool Start();
    53 	virtual bool Stop(bool flush_cancel);
    54 	//returns status and number of threads in queue
    55 	virtual WorkerState GetStatus(unsigned int *numThreads);
    56 public:	//BaseWorker
    57 	virtual void AddThreadToQueue(SWThreadHandle *pHandle);
    58 	virtual SWThreadHandle *PopThreadFromQueue();
    59 protected:
    60 	IThreader *m_Threader;
    61 	IMutex *m_QueueLock;
    62 	IMutex *m_StateLock;
    63 	IEventSignal *m_PauseSignal;
    64 	IEventSignal *m_AddSignal;
    65 	IThreadHandle *me;
    66 	unsigned int m_think_time;
    67 	volatile bool m_Waiting;
    68 	volatile bool m_FlushType;
    69 };
    70 
    71 #endif //_INCLUDE_SOURCEMOD_THREADWORKER_H