processdlg.h

一个比较详细的操作系统进程同步模拟的例子

// PROCESSDlg.h : header file
//

#if !defined(AFX_PROCESSDLG_H__C956AE91_98CC_4CAC_A5FF_CE443F55640A__INCLUDED_)
#define AFX_PROCESSDLG_H__C956AE91_98CC_4CAC_A5FF_CE443F55640A__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000
#include "Memory.h"
#include "MemoryDlg.h"

/////////////////////////////////////////////////////////////////////////////
// CPROCESSDlg dialog

//进程控制块的定义
struct PCB 
{
	CString      processName;    //进程名字
	int          processID;      //进程标识符
	CString      state;          //进程状态
	int          priority;       //优先权，数字越大优先权越高
    CString      kind;           //进程种类
	int          needTime;       //进程运行所需时间
	int          occupySize;     //PCB所占大小
	int          StartAddress;   //此进程的PCB所在的起始地址
	CString      blockedReason;  //进程被阻塞的原因
	struct PCB * next;           //指针，指向下一个PCB

};
const int MAXSIZE = 10;
const int timePeriod = 5;

class CPROCESSDlg : public CDialog
{
// Construction
public:
	bool m_isRunning;
	void Release(struct PCB * pcb);//释放内存
	CMemoryDlg dlg;
	CMemory M;
	BOOL m_isClick;//标志是否点中显示内存的按钮
	bool LookForPartition(struct PCB * pcb);//为进程寻找合适的分区
	void GetBlocked_NewOperation();
	void GetBlocked_NewData();
	void GetBlocked_Printer();
	void ShowBlocked();
	void Bolcked_Insert(struct PCB * item);
	int remainTime;                   //当前运行的进程还需多长时间执行完毕
	void Ordinary_Insert(struct PCB * item);
	void ShowRunning();
	struct  PCB * m_PCBRunning;        //当前运行的进程
	struct  PCB * m_PCBBlocked;        //刚被阻塞的进程
	void InitialListCtrl();            //初始化列表框
	void ExecutingProcess();           //从就绪队列中调度进程执行
	void ShowOrdinary();
	void ShowRealTime();
	void RealTime_Insert(struct PCB * item);
	CPROCESSDlg(CWnd* pParent = NULL);	// standard constructor

    struct PCB * RealTime_ReadyList;    //实时进程链表（按优先权排列）
	struct PCB * Ordiary_ReadyList;     //普通进程链表(包括分时进程和批处理)，先进先服务
	struct PCB * Ordiary_BlockList;     //阻塞链表(包括分时进程和批处理)，先阻塞的先被唤醒

	void Read();
// Dialog Data
	//{{AFX_DATA(CPROCESSDlg)
	enum { IDD = IDD_PROCESS_DIALOG };
	CProgressCtrl	m_ProcessRun;
	CProgressCtrl	m_TimePieceRun;
	CListCtrl	m_ListCtrl_Running;
	CListCtrl	m_ListCtrl_Blocked;
	CListCtrl	m_ListCtrl_Ordinary;
	CListCtrl	m_ListCtrl_Process;
	//}}AFX_DATA

	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CPROCESSDlg)
	protected:
	virtual void DoDataExchange(CDataExchange* pDX);	// DDX/DDV support
	//}}AFX_VIRTUAL

// Implementation
protected:
	HICON m_hIcon;

	// Generated message map functions
	//{{AFX_MSG(CPROCESSDlg)
	virtual BOOL OnInitDialog();
	afx_msg void OnSysCommand(UINT nID, LPARAM lParam);
	afx_msg void OnPaint();
	afx_msg HCURSOR OnQueryDragIcon();
	afx_msg void OnCreate();
	afx_msg void OnCancell();
	afx_msg void OnBlock();
	afx_msg void OnWakeup();
	afx_msg void OnTimer(UINT nIDEvent);
	afx_msg BOOL OnEraseBkgnd(CDC* pDC);
	afx_msg HBRUSH OnCtlColor(CDC* pDC, CWnd* pWnd, UINT nCtlColor);
	afx_msg void OnDblclkList4(NMHDR* pNMHDR, LRESULT* pResult);
	afx_msg void OnDblclkList3(NMHDR* pNMHDR, LRESULT* pResult);
	afx_msg void OnDblclkList2(NMHDR* pNMHDR, LRESULT* pResult);
	afx_msg void OnDblclkList1(NMHDR* pNMHDR, LRESULT* pResult);
	afx_msg void OnMemory();
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

//{{AFX_INSERT_LOCATION}}
// Microsoft Visual C++ will insert additional declarations immediately before the previous line.

#endif // !defined(AFX_PROCESSDLG_H__C956AE91_98CC_4CAC_A5FF_CE443F55640A__INCLUDED_)