NUMBERS

/*

 * Numbers.c

 *

 * Sample code for "Multithreading Applications in Win32"

 * This is from Chapter 2, Listing 2-1

 *

 * Starts five threads and gives visible feedback

 * of these threads running by printing a number

 * passed in from the primary thread.

 *

 */

#define WIN32_LEAN_AND_MEAN

#include <stdio.h>

#include <stdlib.h>

#include <conio.h>

#include <windows.h>

DWORD WINAPI ThreadFunc(LPVOID);

int main()

{

    HANDLE hThrd;

    DWORD threadId;

    int i;

    

    for (i=0; i<5; i++)

    {

        hThrd = CreateThread(NULL,

            0,

            ThreadFunc,

            (LPVOID)i,

            0,

            &threadId );

        if (hThrd)

        {

            printf("Thread launched %d\n", i);

            CloseHandle(hThrd);

        }

    }

    // Wait for the threads to complete.

    // We'll see a better way of doing this later.

    Sleep(2000);

printf ("Enter any key for terminating...\n");

_getch ();

    return EXIT_SUCCESS;

}

DWORD WINAPI ThreadFunc(LPVOID n)

{

    int i;

    for (i=0;i<10;i++)

   printf("%d%d%d%d%d%d%d%d\n",n,n,n,n,n,n,n,n);

    return 0;

}

일반적으로 함수 호출과 달리 순서가 뒤죽박죽이다.

이 순서를 앞으로 조절해가는 것이 목표이다.

=== 결과 ===

Thread launched 0

00000000

Thread launched 1

11111111

11111111

11111111

11111111

11111111

11111111

11111111

11111111

Thread launched 2

00000000

00000000

00000000

Thread launched 3

11111111

11111111

Thread launched 4

44444444

33333333

33333333

33333333

33333333

33333333

33333333

33333333

33333333

33333333

33333333

44444444

44444444

44444444

44444444

44444444

44444444

44444444

44444444

44444444

22222222

22222222

22222222

22222222

22222222

22222222

22222222

22222222

22222222

22222222

00000000

00000000

00000000

00000000

00000000

00000000

Enter any key for terminating...