Why I use multiThread in DLL but it is not work?

[mediv01]

I have introduced multi-thread method in Game, however it is not work wel. Sometimes it may lead to exe crash. Why?
The CPU load implies that it acutal use 2 cores to work. But the data is not update in GET_PLAYER((PlayerTypes)i)
If I write GET_PLAYER((PlayerTypes)i).doTurn() , it will crash.

# CvGlobals.cpp
#include <stdio.h>
#include <time.h>


#include <Windows.h>
#include <iostream>

// 线程池数量
HANDLE threadPools[1];

// CVGLOBAL全局数据锁
int* CvGlobalNewThread0_isThisGameTurn = new int[100];





DWORD WINAPI CvGlobals::CvGlobalNewThread0(LPVOID lpParam) {

    CvGlobals* pThis = (CvGlobals*)lpParam;
    int i;
    // 线程执行的代码
    // pThis->debug();

    while (true) {

        // 异步更新AI_updateFoundValues
        if (CvGlobalNewThread0_isThisGameTurn[0] == 1) {
            // pThis->calculatePIandAdd();

            // 1为异步调用
            if (GC.CVGLOBAL_MULTITHREAD_AI_FOUNDVALUE == 1) {
                for (i = 0; i < MAX_PLAYERS; i++) {
                    GET_PLAYER((PlayerTypes)i).AI_updateFoundValues();
                }
            }

            // it will crash during the game
            // GET_PLAYER((PlayerTypes)i).doTurn();

            CvGlobalNewThread0_isThisGameTurn[0] = 0;
        }





        Sleep(100);
    }


}



void CvGlobals::initThread() {
    // 多线程开关
    if (GC.CVGLOBAL_USE_MULTITHREAD > 0) {
        threadPools[0] = CreateThread(NULL, 0, CvGlobalNewThread0, this, 0, NULL);
        // threadPools[1] = CreateThread(NULL, 0, CvGlobalNewThread1, this, 0, NULL);
    }
}



// 游戏每回合执行的函数
void CvGlobals::doTurn() const {
    CvGlobalNewThread0_isThisGameTurn[0] = 1;
    CvGlobalNewThread0_isThisGameTurn[1] = 1;
    doTurnCore();
}

 

[mediv01]

I cannot introduce std::thread or Boost::thread because it is C++ 2003 (msvr7.1) So I use the multi-thread in Windows.h it is this the reason?
Does any other modder use multi-thread in mod to doTurn() ?