dvander@1084: /**
dvander@1084:  * vim: set ts=4 :
dvander@1084:  * ===============================================================
dvander@1084:  * SourceMod Threader API
dvander@1084:  * Copyright (C) 2004-2007 AlliedModders LLC. All rights reserved.
dvander@1084:  * ===============================================================
dvander@1084:  *
dvander@1084:  * This program is free software; you can redistribute it and/or
dvander@1084:  * modify it under the terms of the GNU General Public License
dvander@1084:  * as published by the Free Software Foundation; either version 2
dvander@1084:  * of the License, or (at your option) any later version.
dvander@1084:  * This program is distributed in the hope that it will be useful,
dvander@1084:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
dvander@1084:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
dvander@1084:  * GNU General Public License for more details.
dvander@1084:  * 
dvander@1084:  * You should have received a copy of the GNU General Public License
dvander@1084:  * along with this program; if not, write to the Free Software
dvander@1084:  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
dvander@1084:  *
dvander@1084:  * Version: $Id$
dvander@1084:  */
dvander@1084: 
dvander@1084: #ifndef _INCLUDE_POSIXTHREADS_H_
dvander@1084: #define _INCLUDE_POSIXTHREADS_H_
dvander@1084: 
dvander@1084: #include <pthread.h>
dvander@1084: #include "IThreader.h"
dvander@1084: 
dvander@1084: using namespace SourceMod;
dvander@1084: 
dvander@1084: void *Posix_ThreadGate(void *param);
dvander@1084: 
dvander@1084: class PosixThreader : public IThreader
dvander@1084: {
dvander@1084: public:
dvander@1084: 	class ThreadHandle : public IThreadHandle
dvander@1084: 	{
dvander@1084: 		friend class PosixThreader;
dvander@1084: 		friend void *Posix_ThreadGate(void *param);
dvander@1084: 	public:
dvander@1084: 		ThreadHandle(IThreader *parent, IThread *run, const ThreadParams *params);
dvander@1084: 		virtual ~ThreadHandle();
dvander@1084: 	public:
dvander@1084: 		virtual bool WaitForThread();
dvander@1084: 		virtual void DestroyThis();
dvander@1084: 		virtual IThreadCreator *Parent();
dvander@1084: 		virtual void GetParams(ThreadParams *ptparams);
dvander@1084: 		virtual ThreadPriority GetPriority();
dvander@1084: 		virtual bool SetPriority(ThreadPriority prio);
dvander@1084: 		virtual ThreadState GetState();
dvander@1084: 		virtual bool Unpause();
dvander@1084: 	protected:
dvander@1084: 		IThreader *m_parent;		//Parent handle
dvander@1084: 		pthread_t m_thread;			//Windows HANDLE	
dvander@1084: 		ThreadParams m_params;		//Current Parameters
dvander@1084: 		IThread *m_run;	//Runnable context
dvander@1084: 		pthread_mutex_t m_statelock;
dvander@1084: 		pthread_mutex_t m_runlock;
dvander@1084: 		ThreadState m_state;		//internal state
dvander@1084: 	};
dvander@1084: 	class PosixMutex : public IMutex
dvander@1084: 	{
dvander@1084: 	public:
dvander@1084: 		PosixMutex(pthread_mutex_t m) : m_mutex(m)
dvander@1084: 		{
dvander@1084: 		};
dvander@1084: 		virtual ~PosixMutex();
dvander@1084: 	public:
dvander@1084: 		virtual bool TryLock();
dvander@1084: 		virtual void Lock();
dvander@1084: 		virtual void Unlock();
dvander@1084: 		virtual void DestroyThis();
dvander@1084: 	protected:
dvander@1084: 		pthread_mutex_t m_mutex;
dvander@1084: 	};
dvander@1084: 	class PosixEventSignal : public IEventSignal
dvander@1084: 	{
dvander@1084: 	public:
dvander@1084: 		PosixEventSignal();
dvander@1084: 		virtual ~PosixEventSignal();
dvander@1084: 	public:
dvander@1084: 		virtual void Wait();
dvander@1084: 		virtual void Signal();
dvander@1084: 		virtual void DestroyThis();
dvander@1084: 	protected:
dvander@1084: 		pthread_cond_t m_cond;
dvander@1084: 		pthread_mutex_t m_mutex;
dvander@1084: 	};
dvander@1084: public:
dvander@1084: 	IMutex *MakeMutex();
dvander@1084: 	void MakeThread(IThread *pThread);
dvander@1084: 	IThreadHandle *MakeThread(IThread *pThread, ThreadFlags flags);
dvander@1084: 	IThreadHandle *MakeThread(IThread *pThread, const ThreadParams *params);
dvander@1084: 	void GetPriorityBounds(ThreadPriority &max, ThreadPriority &min);
dvander@1084: 	void ThreadSleep(unsigned int ms);
dvander@1084: 	IEventSignal *MakeEventSignal();
dvander@1090: 	IThreadWorker *MakeWorker(IThreadWorkerCallbacks *hooks, bool threaded);
dvander@1084: 	void DestroyWorker(IThreadWorker *pWorker);
dvander@1084: };
dvander@1084: 
dvander@1084: #if defined SM_DEFAULT_THREADER && !defined SM_MAIN_THREADER
dvander@1084: #define SM_MAIN_THREADER PosixThreader;
dvander@1084: typedef class PosixThreader MainThreader;
dvander@1084: #endif
dvander@1084: 
dvander@1084: #endif //_INCLUDE_POSIXTHREADS_H_