// Deadlock_Debug.cpp : 定义控制台应用程序的入口点。
//

#include "stdafx.h"
#include "windows.h"
#include <process.h>

// All the thread must get all of critial_section
// Classic Deadlock


CRITICAL_SECTION gCritSecFirst;
CRITICAL_SECTION gCritSecSecond;
CRITICAL_SECTION gCritSecThird;

unsigned __stdcall Thread1Func(void* dummy)
{
printf("Enter Thread 1 \n");
EnterCriticalSection(&gCritSecThird);
{
Sleep(5000);
EnterCriticalSection(&gCritSecFirst);
EnterCriticalSection(&gCritSecSecond);
LeaveCriticalSection(&gCritSecSecond);
LeaveCriticalSection(&gCritSecFirst);
}
LeaveCriticalSection(&gCritSecThird);
printf("Exit thread func 1 \n");
return 1;
}


unsigned __stdcall Thread2Func(void* dummy)
{
printf("Enter Thread 2 \n");
EnterCriticalSection(&gCritSecFirst);
EnterCriticalSection(&gCritSecSecond);
{
Sleep(2000); 
EnterCriticalSection(&gCritSecThird);
Sleep(5000); 
LeaveCriticalSection(&gCritSecThird);
}
LeaveCriticalSection(&gCritSecSecond);
LeaveCriticalSection(&gCritSecFirst);
printf("Exit thread func 2 \n");
return 1;
}


int _tmain(int argc, _TCHAR* argv[])
{
unsigned threadID;
InitializeCriticalSection(&gCritSecFirst);
InitializeCriticalSection(&gCritSecSecond);
InitializeCriticalSection(&gCritSecThird);

_beginthreadex( NULL, 0, &Thread1Func, NULL, 0, &threadID );
_beginthreadex( NULL, 0, &Thread2Func, NULL, 0, &threadID );
while(1);
return 0;
}