#ifndef __INDEXALLOC_H__
#define __INDEXALLOC_H__

#include "Lock.h"

typedef struct _SIndex 
{
	int		m_nIdx;						// 索引
	BOOL	m_bUsed;					// 是否已使用
	_SIndex()
	{
		m_nIdx = -1;
		m_bUsed = FALSE;
	}
}SINDEX, *LPINDEX;

class CIndexAlloc
{
public:
	CIndexAlloc();
	~CIndexAlloc();

	BOOL	Initialize(IN CONST int dwMaxNum);
	int		AllocIndex();
	void 	FreeIndex(IN CONST int dwIndex);

	int		GetIndexNum(){return m_nIndexNum;}

private:
	LPINDEX		m_lpIndexs;							//索引集
	int			m_nIndexNum;						//索引数量
	CLock		m_lock;
};

#endif //__INDEXALLOC_H__