semaphoredemoview.cpp

来自「VC.net 的一些有用的技巧」· C++ 代码 · 共 108 行

// SemaphoreDemoView.cpp : CSemaphoreDemoView 类的实现
//

#include "stdafx.h"
#include "SemaphoreDemo.h"

#include "SemaphoreDemoDoc.h"
#include "SemaphoreDemoView.h"
#include "MySemaphore.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#endif

CMySemaphore mySemaphore;

// CSemaphoreDemoView

IMPLEMENT_DYNCREATE(CSemaphoreDemoView, CView)

BEGIN_MESSAGE_MAP(CSemaphoreDemoView, CView)
	ON_COMMAND(ID_BeginThread, OnBeginthread)
END_MESSAGE_MAP()

// CSemaphoreDemoView 构造/销毁

CSemaphoreDemoView::CSemaphoreDemoView()
{
	// TODO: 在此处添加构造代码

}

CSemaphoreDemoView::~CSemaphoreDemoView()
{
}

BOOL CSemaphoreDemoView::PreCreateWindow(CREATESTRUCT& cs)
{
	// TODO: 在此处通过修改 CREATESTRUCT cs 来修改窗口类或
	// 样式

	return CView::PreCreateWindow(cs);
}

// CSemaphoreDemoView 绘制

void CSemaphoreDemoView::OnDraw(CDC* /*pDC*/)
{
	CSemaphoreDemoDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);

	// TODO: 在此处为本机数据添加绘制代码
}


// CSemaphoreDemoView 诊断

#ifdef _DEBUG
void CSemaphoreDemoView::AssertValid() const
{
	CView::AssertValid();
}

void CSemaphoreDemoView::Dump(CDumpContext& dc) const
{
	CView::Dump(dc);
}

CSemaphoreDemoDoc* CSemaphoreDemoView::GetDocument() const // 非调试版本是内联的
{
	ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CSemaphoreDemoDoc)));
	return (CSemaphoreDemoDoc*)m_pDocument;
}
#endif //_DEBUG


UINT ThreadProc1(LPVOID param)
{
	mySemaphore.UseResource();
	AfxMessageBox("Thread 1 has access to Resource.", MB_OK);
	return 0;
}

UINT ThreadProc2(LPVOID param)
{
	mySemaphore.UseResource();
	AfxMessageBox("Thread 2 has access to Resource.",MB_OK);
	return 0;
}

UINT ThreadProc3(LPVOID param)
{
	mySemaphore.UseResource();
	AfxMessageBox("Thread 3 has access to Resource.", MB_OK);
	return 0;
}

// CSemaphoreDemoView 消息处理程序

void CSemaphoreDemoView::OnBeginthread()
{
	// TODO: 在此添加命令处理程序代码
	HWND hWnd = GetSafeHwnd();
	AfxBeginThread(ThreadProc1, hWnd);
	AfxBeginThread(ThreadProc2, hWnd);
	AfxBeginThread(ThreadProc3, hWnd);
}