简单测试互斥体

// 20171227_01.cpp : Defines the entry point for the application.
//

#include "stdafx.h"
#include "resource.h"
#include <stdio.h>
#include <windows.h>

HWND  hEdit_hong;
HWND  hEdit1;
HWND  hEdit2;
HWND  hEdit3;
int HongNum = 0;
HANDLE hThead_Main;

HANDLE hMutex;

DWORD WINAPI EditThread1(
  LPVOID lpParameter   // thread data
)
{
	TCHAR numStr[10];
	memset(numStr,0,10);
	DWORD num = 0;
	while(HongNum>100)
	{
		HANDLE MuTex1 = OpenMutex(MUTEX_ALL_ACCESS,FALSE,"XYZ");
		WaitForSingleObject(MuTex1,INFINITE);
		
		GetWindowText(hEdit1,numStr,10);
		sscanf(numStr,"%d",&num);
		Sleep(50);
		num+=50;
		HongNum-=50;
		//设置文本
		sprintf(numStr,"%d",num);
		SetWindowText(hEdit1,numStr);
		memset(numStr,0,10);
		sprintf(numStr,"%d",HongNum);
		SetWindowText(hEdit_hong,numStr);
		memset(numStr,0,10);
	
		ReleaseMutex(MuTex1);
	}
	
	return 0;
}

DWORD WINAPI EditThread2(
  LPVOID lpParameter   // thread data
)
{
	TCHAR numStr[10];
	memset(numStr,0,10);
	DWORD num = 0;
	while(HongNum>100)
	{
		HANDLE MuTex2 = OpenMutex(MUTEX_ALL_ACCESS,FALSE,"XYZ");
		WaitForSingleObject(MuTex2,INFINITE);
		
		GetWindowText(hEdit2,numStr,10);
		sscanf(numStr,"%d",&num);
		Sleep(50);
		num+=50;
		HongNum-=50;
		//设置文本
		sprintf(numStr,"%d",num);
		SetWindowText(hEdit2,numStr);
		memset(numStr,0,10);
		sprintf(numStr,"%d",HongNum);
		SetWindowText(hEdit_hong,numStr);
		memset(numStr,0,10);
		
		ReleaseMutex(MuTex2);
	}
	return 0;
}


DWORD WINAPI EditThread3(
  LPVOID lpParameter   // thread data
)
{
	TCHAR numStr[10];
	memset(numStr,0,10);
	DWORD num = 0;
	while(HongNum>100)
	{
		HANDLE MuTex3 = OpenMutex(MUTEX_ALL_ACCESS,FALSE,"XYZ");
		WaitForSingleObject(MuTex3,INFINITE);
		
		GetWindowText(hEdit3,numStr,10);
		sscanf(numStr,"%d",&num);
		Sleep(50);
		num+=50;
		HongNum-=50;
		//设置文本
		sprintf(numStr,"%d",num);
		SetWindowText(hEdit3,numStr);
		memset(numStr,0,10);
		sprintf(numStr,"%d",HongNum);
		SetWindowText(hEdit_hong,numStr);
		memset(numStr,0,10);
		
		ReleaseMutex(MuTex3);
	}
	
	
	return 0;
}



DWORD WINAPI GetHongBao(
  LPVOID lpParameter   // thread data
)
{
	//EnterCriticalSection()
	//LeaveCriticalSection()
	//设置总的红包数
	TCHAR numStr[10];
	memset(numStr,0,10);
	GetWindowText(hEdit_hong,numStr,10);
	//MessageBox(0,numStr,0,0);
	DWORD num = 0;
	sscanf(numStr,"%d",&num);
	HongNum = num;
	//启动3个线程
	HANDLE hThread[3];
	hThread[0] = CreateThread(NULL,0,EditThread1,NULL,0,NULL);
	hThread[1] = CreateThread(NULL,0,EditThread2,NULL,0,NULL);
	hThread[2] = CreateThread(NULL,0,EditThread3,NULL,0,NULL);
	
	WaitForMultipleObjects(3,hThread,FALSE,INFINITE);

	//关闭所有线程
	::CloseHandle(hThread[0]);
	::CloseHandle(hThread[1]);
	::CloseHandle(hThread[2]);
	
	//MessageBox(0,0,0,MB_OK);
	return 0;
}


BOOL CALLBACK MainDialogProc(
  HWND hwndDlg,  // handle to dialog box
  UINT uMsg,     // message
  WPARAM wParam, // first message parameter
  LPARAM lParam  // second message parameter
)
{
	switch(uMsg)
	{
	case WM_INITDIALOG:
		{
			//InitializeCriticalSection(&cs);
			hMutex = CreateMutex(NULL,FALSE,"XYZ");
			hEdit_hong = GetDlgItem(hwndDlg,IDC_EDIT_HONG);
			SetWindowText(hEdit_hong,"0");
			hEdit1 = GetDlgItem(hwndDlg,IDC_EDIT_1);
			hEdit2 = GetDlgItem(hwndDlg,IDC_EDIT_2);
			hEdit3 = GetDlgItem(hwndDlg,IDC_EDIT_3);
			SetWindowText(hEdit1,"0");
			SetWindowText(hEdit2,"0");
			SetWindowText(hEdit3,"0");
			break;

		}
	case WM_CLOSE:
		{
			//DeleteCriticalSection(&cs);
			::CloseHandle(hThead_Main);
			EndDialog(hwndDlg,0);
			break;
		}
	case WM_COMMAND:
		{
			switch(LOWORD(wParam))
			{
			case IDC_BUTTON_GET:
				{
					//MessageBox(0,0,0,0);
					//这里开始抢红包
					hThead_Main = CreateThread(NULL,0,GetHongBao,NULL,0,NULL);
					//WaitForSingleObject(hThead,INFINITE);
					//::CloseHandle(hThead);
					break;
				}
			}
		}
	}


	return FALSE;
}


int APIENTRY WinMain(HINSTANCE hInstance,
                     HINSTANCE hPrevInstance,
                     LPSTR     lpCmdLine,
                     int       nCmdShow)
{
 	// TODO: Place code here.
	
	DialogBox(hInstance,MAKEINTRESOURCE(IDD_DIALOG_MAIN),NULL,MainDialogProc);

	return 0;
}