/**

 * vim: set ts=4 :

 * ===============================================================

 * SourceMod (C)2004-2007 AlliedModders LLC.  All rights reserved.

 * ===============================================================

 *

 * This file is not open source and may not be copied without explicit

 * written permission of AlliedModders LLC.  This file may not be redistributed 

 * in whole or significant part.

 * For information, see LICENSE.txt or http://www.sourcemod.net/license.php

 *

 * Version: $Id$

 */

#ifndef _INCLUDE_WINTHREADS_H_

#define _INCLUDE_WINTHREADS_H_

#include <windows.h>

#include "IThreader.h"

using namespace SourceMod;

DWORD WINAPI Win32_ThreadGate(LPVOID param);

class WinThreader : public IThreader

{

public:

	class ThreadHandle : public IThreadHandle

	{

		friend class WinThreader;

		friend DWORD WINAPI Win32_ThreadGate(LPVOID param);

	public:

		ThreadHandle(IThreader *parent, HANDLE hthread, IThread *run, const ThreadParams *params);

		virtual ~ThreadHandle();

	public:

		virtual bool WaitForThread();

		virtual void DestroyThis();

		virtual IThreadCreator *Parent();

		virtual void GetParams(ThreadParams *ptparams);

		virtual ThreadPriority GetPriority();

		virtual bool SetPriority(ThreadPriority prio);

		virtual ThreadState GetState();

		virtual bool Unpause();

	protected:

		IThreader *m_parent;		//Parent handle

		HANDLE m_thread;			//Windows HANDLE	

		ThreadParams m_params;		//Current Parameters

		IThread *m_run;	//Runnable context

		ThreadState m_state;		//internal state

		CRITICAL_SECTION m_crit;

	};

	class WinMutex : public IMutex

	{

	public:

		WinMutex(HANDLE mutex) : m_mutex(mutex)

		{

		};

		virtual ~WinMutex();

	public:

		virtual bool TryLock();

		virtual void Lock();

		virtual void Unlock();

		virtual void DestroyThis();

	protected:

		HANDLE m_mutex;

	};

	class WinEvent : public IEventSignal

	{

	public:

		WinEvent(HANDLE event) : m_event(event)

		{

		};

		virtual ~WinEvent();

	public:

		virtual void Wait();

		virtual void Signal();

		virtual void DestroyThis();

	public:

		HANDLE m_event;

	};

public:

	IMutex *MakeMutex();

	void MakeThread(IThread *pThread);

	IThreadHandle *MakeThread(IThread *pThread, ThreadFlags flags);

	IThreadHandle *MakeThread(IThread *pThread, const ThreadParams *params);

	void GetPriorityBounds(ThreadPriority &max, ThreadPriority &min);

	void ThreadSleep(unsigned int ms);

	IEventSignal *MakeEventSignal();

	IThreadWorker *MakeWorker(bool threaded);

	void DestroyWorker(IThreadWorker *pWorker);

};

#if defined SM_DEFAULT_THREADER && !defined SM_MAIN_THREADER

#define SM_MAIN_THREADER WinThreader;

typedef class WinThreader MainThreader;

#endif

#endif //_INCLUDE_WINTHREADS_H_