간단한 thread 예제

간단한 thread 예제 코드

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--- code start ---

#include <iostream>

#include <Windows.h>

DWORD WINAPI ThreadWrite(LPVOID param);

DWORD WINAPI ThreadRead(LPVOID param);

static int g_num = 0;

void main()

{

HANDLE thread_write;

HANDLE thread_read;

DWORD thread_ID_write;

DWORD thread_ID_read;

thread_write = CreateThread(

NULL,

0,

ThreadWrite,

NULL,// data,

0,

&thread_ID_write);

if (NULL == thread_ID_write) {

printf("ERROR: Cant create thread1\n");

//ExitProcess(3);

return;

}

thread_read = CreateThread(

NULL,

0,

ThreadRead,

NULL,// data,

0,

&thread_ID_read);

if (NULL == thread_ID_read) {

printf("ERROR: Cant creat thread2\n");

ExitThread(thread_ID_write);

return;

}

while (1) {

;

if (g_num > 50) {

break;

}

}

ExitThread(thread_ID_read);

CloseHandle(thread_read);

ExitThread(thread_ID_write);

CloseHandle(thread_write);

}

DWORD WINAPI ThreadWrite(LPVOID param)

{

while (1) {

printf("thread write (%d)\n", ++g_num);

Sleep(1*1000/2);

}

return 0;

}

DWORD WINAPI ThreadRead(LPVOID param)

{

while (1) {

printf("thread read (%d)\n", g_num);

Sleep(1*1000/2);

}

return 0;

}

--- end ---