操作系统学习笔记 - 线程管理 Win32 Fibonacci计算

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

DWORD FiboArray[48];

DWORD WINAPI Fibo (LPVOID Param){

    DWORD N = *(DWORD*)Param;

    FiboArray [0] = 0;
    FiboArray [1] = 1;

    for (int i = 2; i < N; i++){
        FiboArray[i] = FiboArray[i - 1] + FiboArray[i - 2];
    }

    return 0;
}

int main (int argc, char *argv[]){
    DWORD ThreadId;
    HANDLE ThreadHandle;
    int param;

    if (argc != 2){

        printf ("Need ONE unsigned integer, 0-47 (inclusive)");
        return -1;
    }

    param = atoi(argv[1]);

    if (param < 0 || param > 47){
        printf ("Need ONE integer, ranging 0 to 47 inclusive.");
        return -1;
    }

    ThreadHandle = CreateThread(
    NULL,
    0,
    Fibo,
    &param,
    0,
    &ThreadId);

    if (ThreadHandle != NULL) {

        WaitForSingleObject(ThreadHandle, INFINITE);

        CloseHandle(ThreadHandle);

        for (int i = 0; i <= param; i++){
            printf ("%d ", FiboArray[i]);
        }
        printf ("\n");
    }
}