Re: Threading

[zentara <zentara1 sbcglobal net>]

On Sun, 6 Aug 2006 21:38:16 +0200
"Jens Luedicke" <jens luedicke gmail com> wrote:

> Heya...
>
> How do I wait for a thread to join without blocking the
> GUI?
>
> like:
>
> 1) show dialog
>
> 2) start resource heavy stuff in thread
>
> 3) wait for thread to finish
>
> 4) destroy dialog
>
> the problem is: $thread->join; blocks. my thread is still doing
> it's stuff but my GUI is (b)locked.
>
> another idea is to use a shared boolean variable that is set
> to true/false to indicate the threads status.
>
> any hints?

The shared boolean is the way I would do it. Have the thread set
the boolean just before it returns (or finishes it's code block), then
in the main thread, use a timer to test repeatedly for the boolean, then
if boolean is true, thread->join.  That won't block.

zentara

-- 
I'm not really a human, but I play one on earth.
http://zentara.net/japh.html