Re: execution of timers from other callbacks

[zentara <zentara1 sbcglobal net>]

On Wed, 17 Dec 2008 15:41:58 -0500
muppet <scott asofyet org> wrote:
>
>Here's the call flow:
>
>gtk_main()
>    g_main_loop_run()
>       g_main_context_dispatch()
>          timeout callback
>             timeout add
>             spin in a loop
>
>Since you didn't return from the timeout callback, the main loop  
>didn't run, and therefore your timeout doesn't fire.  You must
>
>a) return from the callback, which implies
>
>    i.  break your work into chunks and handle each chunk in an idle  
>callback
>    ii.  fork a subprocess to do the work, with pipes for  
>communication and all that
>
>b) use a new main loop, as in your non_blocking_delay() function,  
>which implies that you are simply waiting for something
>
>c) eat events manually, which implies you're doing real work, and if  
>it's going to take a while, you don't want to do it this way
>

Thanks for the good answer. 

I've seen this behavior myself in scripts, and always just
hacked around it, as in your options.

But now I know why, thanks.
zentara


 

-- 
I'm not really a human, but I play one on earth.
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