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Omid Ghavami

Boost Threads

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Hi! I was checking out Boost Threads as an alternative to my current multithreading system, but I can't seem to find a way to send an argument to a thread when joining it (i.e CreateThread procedure). I've taken a look in the docs (admittedly sloppely) and was not able to find anything of the sort. I would be grateful if someone could confirm whether this is possible and perhaps direct me to were I could find help on the specifications for this. Thanks in advance Regards, /Omid EDIT:: TYPO [Edited by - Omid Ghavami on July 20, 2005 2:09:42 PM]

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Err, in creating or joining?

When creating, the power lies in the fact that boost::thread's constructor takes a boost::function< void( void ) >, which can in fact be constructed from a function which takes arguments, bound. Working example:

#include <string>
#include <iostream>
#include <boost/thread.hpp>
#include <boost/bind.hpp>

void hello ( std::string target ) {
std::cout << "Hello, " << target << std::endl;
}

int main() {
boost::thread do_hello_world( boost::bind( &hello , "world" ) );
do_hello_world.join(); //dont terminate program before thread completes
}


Results in:
Hello, world

Hope this helps :-).

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