data.h

操作系统实验——主存的分配和回收 Visualc++6.0开发环境 基于MFC

// Data.h: interface for the Data class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_DATA_H__76907105_EE01_487D_87E0_A2CD26CD9FEC__INCLUDED_)
#define AFX_DATA_H__76907105_EE01_487D_87E0_A2CD26CD9FEC__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

struct JOB
{
	CString ID;
	UINT MemSize;
	UINT First_Addr;
	struct JOB *next;
};

struct MEM
{
	UINT First_Addr;
	UINT Last_Addr;
	struct MEM *prior;
	struct MEM *tail;
};
typedef struct JOB  *JobList;
typedef struct MEM  *MemList;

class Data  
{
public:
	UINT MostSize();
	JobList JobInit();
	UINT MemAssign(UINT SIZE);
	void Fill_Mem(UINT Fir_Addr);
	MemList MemInit();
	MemList MemRECLAIM(UINT First_Addr,UINT Size);
	JobList Delet(UINT nID,UINT &FirAddr,UINT &Size);
	JobList JobAdd(CString Job_ID,UINT Job_SIZE);
	MemList mem_list;
	JobList job_list;
	Data();
	virtual ~Data();
    
};

#endif // !defined(AFX_DATA_H__76907105_EE01_487D_87E0_A2CD26CD9FEC__INCLUDED_)