[求助]多线程同步问题截面不能运行,为什么(页 1) - VC.NET论坛

heshuying 发表于 2006-5-16 10:48

[求助]多线程同步问题截面不能运行,为什么

我在做一个多线程同步问题的程序,程序没有出现错误,但是,动态截面不能运行,偶尔出现错误,提示Sleep(sleep)中的sleep没有初始化的信息,请大家帮忙!请加我QQ190231986 给我点建议! 下面是MoveDlg.cpp文件 #include "stdafx.h" #include "Move.h" #include "MoveDlg.h"
#ifdef _DEBUG #define new DEBUG_NEW #undef THIS_FILE static char THIS_FILE[] = __FILE__; #endif
#define MAX_SPEED 50 #define MIN_SPEED 5 #define TIME_OUT 100 #define RED 0 #define GREEN 1 #define BLUE 2
 ///////////////////////////////////////////////////////////////////////////// // CAboutDlg dialog used for App About DWORD WINAPI BallMove(LPVOID lpparameter) { LPINFO temp=(LPINFO)lpparameter; BOOL xadd,yadd; HANDLE hMutex; long speed; //取得相应的小求的互斥量的句柄 if(temp->color==RED) hMutex=OpenMutex(MUTEX_ALL_ACCESS,FALSE,"RedSpeed"); else if(temp->color==GREEN) hMutex=OpenMutex(MUTEX_ALL_ACCESS,FALSE,"GreenSpeed"); else if(temp->color==BLUE) hMutex=OpenMutex(MUTEX_ALL_ACCESS,FALSE,"BlueSpeed"); if(hMutex==NULL) return 1; xadd=yadd=TRUE; while(TRUE) { if(WaitForSingleObject(hMutex,TIME_OUT)==WAIT_FAILED) continue; if((temp->xPos+temp->ballr)>=((LPRECT)temp->rect)->right) xadd=FALSE; else if((temp->xPos-temp->ballr)<=((LPRECT)temp->rect)->left) xadd=TRUE; if((temp->yPos+temp->ballr)>=((LPRECT)temp->rect)->bottom) yadd=FALSE; else if((temp->yPos-temp->ballr)<=((LPRECT)temp->rect)->top) yadd=TRUE; if(xadd) temp->xPos++; else temp->xPos--; if(yadd) temp->yPos++; else temp->yPos--; CRect rect(temp->xPos-temp->ballr-2,temp->yPos-temp->ballr-2,temp->xPos+temp->ballr+2,temp->yPos+temp->ballr+2); InvalidateRect(temp->hWnd,rect,TRUE); Sleep(temp->speed); ReleaseMutex(hMutex); Sleep(speed); } return 0; } HANDLE h_gRMutex; HANDLE h_gGMutex; HANDLE h_gBMutex; class CAboutDlg : public CDialog { public: CMoveDlg Create; CAboutDlg();
// Dialog Data //{{AFX_DATA(CAboutDlg) enum { IDD = IDD_ABOUTBOX }; //}}AFX_DATA // ClassWizard generated virtual function overrides //{{AFX_VIRTUAL(CAboutDlg) protected: virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support //}}AFX_VIRTUAL
// Implementation protected:
 //{{AFX_MSG(CAboutDlg)
 //}}AFX_MSG DECLARE_MESSAGE_MAP() };
CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD) { //{{AFX_DATA_INIT(CAboutDlg) //}}AFX_DATA_INIT
}
void CAboutDlg::DoDataExchange(CDataExchange* pDX) { CDialog::DoDataExchange(pDX); //{{AFX_DATA_MAP(CAboutDlg) //}}AFX_DATA_MAP
}
BEGIN_MESSAGE_MAP(CAboutDlg, CDialog) //{{AFX_MSG_MAP(CAboutDlg) // No message handlers //}}AFX_MSG_MAP END_MESSAGE_MAP()
///////////////////////////////////////////////////////////////////////////// // CMoveDlg dialog
CMoveDlg::CMoveDlg(CWnd* pParent /*=NULL*/) : CDialog(CMoveDlg::IDD, pParent) { //{{AFX_DATA_INIT(CMoveDlg) // NOTE: the ClassWizard will add member initialization here //}}AFX_DATA_INIT // Note that LoadIcon does not require a subsequent DestroyIcon in Win32 m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); m_IsGreen=m_IsBlue=m_IsRed=FALSE;
 h_gRMutex=CreateMutex(NULL,FALSE,"RedSpeed"); h_gGMutex=CreateMutex(NULL,FALSE,"GreenSpeed"); h_gBMutex=CreateMutex(NULL,FALSE,"BlueSpeed"); if((h_gRMutex==NULL)||(h_gGMutex==NULL)||(h_gBMutex==NULL)) { AfxMessageBox("生成互斥量失败"); CloseHandle(h_gRMutex); CloseHandle(h_gGMutex); CloseHandle(h_gBMutex); OnOK(); } }
void CMoveDlg::DoDataExchange(CDataExchange* pDX) { CDialog::DoDataExchange(pDX); //{{AFX_DATA_MAP(CMoveDlg) DDX_Control(pDX, IDC_SPEED_RED, m_RSpeed); DDX_Control(pDX, IDC_SPEED_GREEN, m_GSpeed); DDX_Control(pDX, IDC_SPEED_BLUE, m_BSpeed); DDX_Control(pDX, IDC_MOVEBOX, m_MoveBox); //}}AFX_DATA_MAP }
BEGIN_MESSAGE_MAP(CMoveDlg, CDialog) //{{AFX_MSG_MAP(CMoveDlg) ON_WM_SYSCOMMAND() ON_WM_PAINT() ON_WM_QUERYDRAGICON() ON_BN_CLICKED(IDC_BUTTON_END, OnButtonEnd) ON_BN_CLICKED(IDC_BUTTON_START, OnButtonStart) ON_NOTIFY(NM_RELEASEDCAPTURE, IDC_SPEED_BLUE, OnReleasedcaptureSpeedBlue) ON_NOTIFY(NM_RELEASEDCAPTURE, IDC_SPEED_GREEN, OnReleasedcaptureSpeedGreen) ON_NOTIFY(NM_RELEASEDCAPTURE, IDC_SPEED_RED, OnReleasedcaptureSpeedRed) ON_WM_CLOSE() //}}AFX_MSG_MAP END_MESSAGE_MAP()
///////////////////////////////////////////////////////////////////////////// // CMoveDlg message handlers
BOOL CMoveDlg::OnInitDialog() { CDialog::OnInitDialog();
 // Add "About..." menu item to system menu.
 // IDM_ABOUTBOX must be in the system command range. ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX); ASSERT(IDM_ABOUTBOX < 0xF000);
 CMenu* pSysMenu = GetSystemMenu(FALSE); if (pSysMenu != NULL) { CString strAboutMenu; strAboutMenu.LoadString(IDS_ABOUTBOX); if (!strAboutMenu.IsEmpty()) { pSysMenu->AppendMenu(MF_SEPARATOR); pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu); } }
 // Set the icon for this dialog. The framework does this automatically // when the application's main window is not a dialog SetIcon(m_hIcon, TRUE); // Set big icon SetIcon(m_hIcon, FALSE); // Set small icon // TODO: Add extra initialization here m_RSpeed.SetRangeMax(MAX_SPEED); m_RSpeed.SetRangeMin(MIN_SPEED);
 m_GSpeed.SetRangeMax(MAX_SPEED); m_GSpeed.SetRangeMin(MIN_SPEED); m_BSpeed.SetRangeMax(MAX_SPEED); m_BSpeed.SetRangeMin(MIN_SPEED); GetDlgItem(IDC_BUTTON_START)->EnableWindow(TRUE); GetDlgItem(IDC_BUTTON_END)->EnableWindow(FALSE);
 GetDlgItem(IDC_SPEED_RED)->EnableWindow(FALSE); GetDlgItem(IDC_SPEED_GREEN)->EnableWindow(FALSE); GetDlgItem(IDC_SPEED_BLUE)->EnableWindow(FALSE); return TRUE; // return TRUE unless you set the focus to a control }
void CMoveDlg::OnSysCommand(UINT nID, LPARAM lParam) { if ((nID & 0xFFF0) == IDM_ABOUTBOX) { CAboutDlg dlgAbout; dlgAbout.DoModal(); } else { CDialog::OnSysCommand(nID, lParam); } }
// If you add a minimize button to your dialog, you will need the code below // to draw the icon. For MFC applications using the document/view model, // this is automatically done for you by the framework.
void CMoveDlg::OnPaint() { if (IsIconic()) { CPaintDC dc(this); // device context for painting
 SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);
 // Center icon in client rectangle int cxIcon = GetSystemMetrics(SM_CXICON); int cyIcon = GetSystemMetrics(SM_CYICON); CRect rect; GetClientRect(&rect); int x = (rect.Width() - cxIcon + 1) / 2; int y = (rect.Height() - cyIcon + 1) / 2;
 // Draw the icon dc.DrawIcon(x, y, m_hIcon); } else { CDialog::OnPaint(); } if(m_IsGreen) { CDC* pDC=m_MoveBox.GetDC(); CBrush * poldbrush; CBrush brush(RGB(0,255,0)); poldbrush=pDC->SelectObject(&brush); pDC->Ellipse(m_GreenBall.xPos-((LPRECT)m_GreenBall.rect)->left-m_GreenBall.ballr,m_GreenBall.yPos-((LPRECT)m_GreenBall.rect)->top-m_GreenBall.ballr,m_GreenBall.xPos-((LPRECT)m_GreenBall.rect)->left+m_GreenBall.ballr,m_GreenBall.yPos-((LPRECT)m_GreenBall.rect)->top+m_GreenBall.ballr); pDC->SelectObject(poldbrush); } if(m_IsBlue) { CDC* pDC=m_MoveBox.GetDC(); CBrush * poldbrush; CBrush brush(RGB(0,0,255)); poldbrush=pDC->SelectObject(&brush); pDC->Ellipse(m_BlueBall.xPos-((LPRECT)m_BlueBall.rect)->left-m_BlueBall.ballr,m_BlueBall.yPos-((LPRECT)m_BlueBall.rect)->top-m_BlueBall.ballr,m_BlueBall.xPos-((LPRECT)m_BlueBall.rect)->left+m_BlueBall.ballr,m_BlueBall.yPos-((LPRECT)m_BlueBall.rect)->top+m_BlueBall.ballr); pDC->SelectObject(poldbrush); } if(m_IsRed) { CDC* pDC=m_MoveBox.GetDC(); CBrush * poldbrush; CBrush brush(RGB(255,0,0)); poldbrush=pDC->SelectObject(&brush); pDC->Ellipse(m_RedBall.xPos-((LPRECT)m_RedBall.rect)->left-m_RedBall.ballr,m_RedBall.yPos-((LPRECT)m_RedBall.rect)->top-m_RedBall.ballr,m_RedBall.xPos-((LPRECT)m_RedBall.rect)->left+m_RedBall.ballr,m_RedBall.yPos-((LPRECT)m_RedBall.rect)->top+m_RedBall.ballr); pDC->SelectObject(poldbrush); }
}
// The system calls this to obtain the cursor to display while the user drags // the minimized window. HCURSOR CMoveDlg::OnQueryDragIcon() { return (HCURSOR) m_hIcon; }
void CMoveDlg::OnButtonStart() { // TODO: Add your control notification handler code here DWORD ThreadID; DWORD code; CRect rect; GetClientRect(rect); ClientToScreen(rect); m_MoveBox.GetClientRect(m_MoveRect); m_MoveBox.ClientToScreen(m_MoveRect); m_MoveRect-=rect.TopLeft(); if(!m_IsGreen) { m_GreenBall.hWnd=m_hWnd; m_GreenBall.ballr=8; m_GreenBall.speed=10; m_GreenBall.xPos=((LPRECT)m_MoveRect)->left+m_GreenBall.ballr; m_GreenBall.yPos=((LPRECT)m_MoveRect)->top+m_GreenBall.ballr; m_GreenBall.rect=m_MoveRect; m_IsGreen=TRUE; } if(!GetExitCodeThread(m_hGreenThread,&code)||(code!=STILL_ACTIVE)) m_hGreenThread=CreateThread(NULL,0,BallMove,&m_GreenBall,0,&ThreadID); if(m_hGreenThread==NULL) { MessageBox("Create thread Green Ball failed!"); m_IsGreen=FALSE; } if(!m_IsBlue) { m_BlueBall.hWnd=m_hWnd; m_BlueBall.ballr=9; m_BlueBall.speed=20; m_BlueBall.xPos=((LPRECT)m_MoveRect)->left+m_BlueBall.ballr+50; m_BlueBall.yPos=((LPRECT)m_MoveRect)->top+m_BlueBall.ballr+60; m_BlueBall.rect=m_MoveRect; m_IsBlue=TRUE; } if(!GetExitCodeThread(m_hBlueThread,&code)||(code!=STILL_ACTIVE)) m_hBlueThread=CreateThread(NULL,0,BallMove,&m_BlueBall,0,&ThreadID); if(m_hBlueThread==NULL) { MessageBox("Create thread Blue Ball failed!"); m_IsBlue=FALSE; } if(!m_IsRed) { m_RedBall.hWnd=m_hWnd; m_RedBall.ballr=7; m_RedBall.speed=15; m_RedBall.xPos=((LPRECT)m_MoveRect)->left+m_RedBall.ballr+100; m_RedBall.yPos=((LPRECT)m_MoveRect)->top+m_RedBall.ballr+30; m_RedBall.rect=m_MoveRect; m_IsRed=TRUE; } if(!GetExitCodeThread(m_hRedThread,&code)||(code!=STILL_ACTIVE)) m_hRedThread=CreateThread(NULL,0,BallMove,&m_RedBall,0,&ThreadID); if(m_hRedThread==NULL) { MessageBox("Create thread Red Ball failed!"); m_IsRed=FALSE; }
 GetDlgItem(IDC_BUTTON_START)->EnableWindow(FALSE); GetDlgItem(IDC_BUTTON_END)->EnableWindow(TRUE); GetDlgItem(IDC_SPEED_RED)->EnableWindow(TRUE); GetDlgItem(IDC_SPEED_GREEN)->EnableWindow(TRUE); GetDlgItem(IDC_SPEED_BLUE)->EnableWindow(TRUE); 
} void CMoveDlg::OnButtonEnd() { // TODO: Add your control notification handler code here DWORD code; if(GetExitCodeThread(m_hGreenThread,&code)) if(code==STILL_ACTIVE) { TerminateThread(m_hGreenThread,0); CloseHandle(m_hGreenThread); } if(GetExitCodeThread(m_hBlueThread,&code)) if(code==STILL_ACTIVE) { TerminateThread(m_hBlueThread,0); CloseHandle(m_hBlueThread); } if(GetExitCodeThread(m_hRedThread,&code)) if(code==STILL_ACTIVE) { TerminateThread(m_hRedThread,0); CloseHandle(m_hRedThread); }
 GetDlgItem(IDC_BUTTON_START)->EnableWindow(TRUE); GetDlgItem(IDC_BUTTON_END)->EnableWindow(FALSE);
 GetDlgItem(IDC_SPEED_RED)->EnableWindow(FALSE); GetDlgItem(IDC_SPEED_GREEN)->EnableWindow(FALSE); GetDlgItem(IDC_SPEED_BLUE)->EnableWindow(FALSE);
}
 void CMoveDlg::OnClose() { // TODO: Add your message handler code here and/or call default OnButtonEnd(); CloseHandle(h_gRMutex); CloseHandle(h_gGMutex); CloseHandle(h_gBMutex); CDialog::OnClose(); } BOOL CMoveDlg::Create(LPCTSTR lpszClassName, LPCTSTR lpszWindowName, DWORD dwStyle, const RECT& rect, CWnd* pParentWnd, UINT nID, CCreateContext* pContext) { // TODO: Add your specialized code here and/or call the base class
 return CDialog::Create(IDD, pParentWnd); } void CMoveDlg::OnReleasedcaptureSpeedBlue(NMHDR* pNMHDR, LRESULT* pResult) { // TODO: Add your control notification handler code here if(WaitForSingleObject(h_gBMutex,TIME_OUT)!=WAIT_FAILED) { m_BlueBall.speed=MAX_SPEED-m_BSpeed.GetPos(); ReleaseMutex(h_gBMutex); } *pResult = 0; }
void CMoveDlg::OnReleasedcaptureSpeedGreen(NMHDR* pNMHDR, LRESULT* pResult) { // TODO: Add your control notification handler code here if(WaitForSingleObject(h_gGMutex,TIME_OUT)!=WAIT_FAILED) { m_GreenBall.speed=MAX_SPEED-m_GSpeed.GetPos(); ReleaseMutex(h_gGMutex); } *pResult = 0; }
void CMoveDlg::OnReleasedcaptureSpeedRed(NMHDR* pNMHDR, LRESULT* pResult) { // TODO: Add your control notification handler code here if(WaitForSingleObject(h_gRMutex,TIME_OUT)!=WAIT_FAILED) {
 m_RedBall.speed=MAX_SPEED-m_RSpeed.GetPos(); ReleaseMutex(h_gRMutex); } *pResult = 0; }

heshuying 发表于 2006-5-17 18:31

帮忙啊!急用啊[em08]

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