thread.h

经典开源游戏glest的源代码

// ==============================================================
//	This file is part of Glest Shared Library (www.glest.org)
//
//	Copyright (C) 2001-2008 Marti駉 Figueroa
//
//	You can redistribute this code and/or modify it under 
//	the terms of the GNU General Public License as published 
//	by the Free Software Foundation; either version 2 of the 
//	License, or (at your option) any later version
// ==============================================================

#ifndef _SHARED_PLATFORM_THREAD_H_
#define _SHARED_PLATFORM_THREAD_H_

#include <windows.h>

// =====================================================
//	class Thread
// =====================================================

namespace Shared{ namespace Platform{

typedef LPTHREAD_START_ROUTINE ThreadFunction;
typedef DWORD ThreadId;

class Thread{
public:
	enum Priority{
		pIdle= THREAD_PRIORITY_IDLE,
		pLow= THREAD_PRIORITY_BELOW_NORMAL,
		pNormal= THREAD_PRIORITY_NORMAL,
		pHigh= THREAD_PRIORITY_ABOVE_NORMAL,
		pRealTime= THREAD_PRIORITY_TIME_CRITICAL
	};

private:
	HANDLE threadHandle;
	static const ThreadId threadIdBase= 1000;
	static ThreadId nextThreadId;

public:
	void start();
	virtual void execute()=0;
	void setPriority(Thread::Priority threadPriority);	
	void suspend();
	void resume();

private:
	static DWORD WINAPI beginExecution(void *param);
};

// =====================================================
//	class Mutex
// =====================================================

class Mutex{
private:
	CRITICAL_SECTION mutex; 

public:
	Mutex();
	~Mutex();
	void p();
	void v();
};

}}//end namespace

#endif