[Dev-C++] threads issue...

[Raghunath Marella.S <ms...@ya...>]

Hi,

I am new to multithreading in VC++. I wrote a simple
program to understand the functionality of threads. I
used CreateThread. Actually, I am creating three
threads, and the ThreadProc will print integers from 0
to 10 for each thread. But the program is not working
as expected. The print statements and the getch()
functions are not seem to be working. I am not getting
why this should be? Will any one please clarify why
this is happening so? The code has been attached. 

**************************************************
#include <iostream.h>
#include <stdlib.h>
#include <windows.h>
#include <conio.h>

DWORD WINAPI ThreadProc(LPVOID );

void main()
{
	for(int i = 0;i<3;i++)
	{
		DWORD threadId;
		HANDLE hThread;

		hThread =
CreateThread(NULL,0,ThreadProc,&i,0,&threadId);
		if(hThread == NULL)
			cout << "\n Thread has not been created";
		else
		{
			//_getch();
			cout << "\n Thread has been created successfully.";
		}
	}
}

DWORD WINAPI ThreadProc( LPVOID lpParam ) 
{ 
	cout << "\n Entered threadProc...";
	MessageBox(NULL,"sample output","",MB_OK);
	
	for(int i = 0;i<10;i++)
	{
		cout << "\n thread output is:"<<HIWORD(lpParam) <<
".."<<i;
	}
	_getch();

    return 0; 
} 
***********************************************

thanks & regards,
Raghunath


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