[Newbies] Callback

Mark Volkmann mark at ociweb.com
Thu Oct 9 14:24:06 UTC 2008

On Oct 9, 2008, at 9:07 AM, Bert Freudenberg wrote:

> Am 09.10.2008 um 15:54 schrieb xyz 42:
>> Hello!  I want to create a callback that will call my method after,
>> say, 10 minutes.  How can I do it in squeak?
> [(Delay forDuration: 10 minutes) wait. self myMethod] fork
> This forks off a background process

Is there a distinction between processes and threads in Squeak?

> , waits 10 minutes, then calls myMethod. Note that a lot of code  
> will break when called from a background process, you will have to  
> worry about synchronization. Especially you must not call UI code  
> from the background (there are of course ways to allow that).

Mark Volkmann

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