Could someone give short simple example of using threads?

[Kondziu]

I'm trying to make a simple program, but I need to use threads for that. Could someone give simple example of program that's using threads?
Thanks :D

[maikel]

Linux or Windows?

Maikel

[Kondziu]

windows

[maikel]

#include <windows.h>
#include <iostream>
#include <cstdlib>

DWORD WINAPI callable(void *parameter)
{
    using namespace std;
    for (int i = 0; i < 10; i++) {
        cout << "#" << i << endl;
        Sleep(i * 1000);
    }
}

int main()
{
    HANDLE hThread1, hThread2;
    hThread1 = CreateThread(0, 0, callable, 0, 0, 0);
    
    Sleep(2000);
    hThread2 = CreateThread(0, 0, callable, 0, 0, 0);
    
    Sleep(10000);
}

[Bazzy]

http://www.boost.org/doc/libs/1_42_0/doc/html/thread.html
Boost threads should be very similar to next standard C++ threads

[maikel]

I was feared to confront him with more libraries. But i share your oppinion: I think the best way to use theads is via boost, since they will be included into c++0x the same or similar way.

[Bazzy]

boost libraries are much more friendly than WinAPI

[Kondziu]

thanks maikel that example really helped :D

[maikel]

Kondiu: i recommend you to listen to Bazzy. You will counter difficulties with WinAPI Threads, if you are not familiar with WinAPI. Originally i thought this as a joke and provided you with an half-ass example without error handling and stuff.

- The Boost Library Threads are portable and more user friendly. -

But i dont want to stop you if you insist on using WinAPI (for good reasons thats possible) but read MSDN Library and answer yourself the questions: Whats up with all the zeros i wrote there?
How to Join Threads? Whats joining? How are threads managed in Memory? All this kind of boring stuff is pretty urgent to know.

[Kondziu]

ahh ok started to work with WinAPI and almost got my program working, once I will get lil more familiar with threading ill try doing some boosts