互锁函数c ++

#include<windows.h>
#include<stdio.h>

LONG count = 0;

DWORD WINAPI ThreadProc(LPVOID param) {
    for (int i = 0; i < 10000; i++) {
        InterlockedIncrement(&count);
        InterlockedDecrement(&count);
    }
    return 0;
}

int main() {
    HANDLE hThread1 = CreateThread(NULL, 0, ThreadProc, NULL, 0, NULL);
    HANDLE hThread2 = CreateThread(NULL, 0, ThreadProc, NULL, 0, NULL);

    WaitForSingleObject(hThread1, INFINITE);
    WaitForSingleObject(hThread2, INFINITE);

    CloseHandle(hThread1);
    CloseHandle(hThread2);

    printf("count = %d\n", count);
    return 0;
}