Re^4: Execute a sub in the background

[egzoti4en]

Yes i'm not sure how to use threads.

I wrote :

my $thr = threads->create(\&status_line());$thr->join();

The sub executes but i'm not able to get the key input.My program is waiting the thread to end. How can i make it not to wait for it.

[BrowserUk]

If you start a thread (->create()) and then immediately wait for it to finish (->join), that is the same as not starting a thread at all.

If you are not interested in the result of the thread, you should detach it.

The simplest way of doing what I think you are trying to achieve with your snippet above is:

async( \&status_line )->detach;

Notice there are no parens () after the name of the sub to be run asynchronously.

What you have above should have produced several error messages, because you are calling the sub status_line() then attempting to take a reference to its return value, and then pass that as the code reference to the thread, which obviously won't work.

[chessgui]

Instead of join use detach:

my $thr = threads->create(\&status_line)->detach;