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List:       kde-devel
Subject:    Re: threading in kde
From:       Andrew Sutton <ansutton () sep ! com>
Date:       2001-09-07 19:33:25
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On Friday 07 September 2001 12:33, Rik Hemsley wrote:
> #if Andrew Sutton
> Also, thread safety is not an all-or-nothing thing.
>
> * It is possible to safely add a Qt interface to a threaded application
>   without needing to even link to the MT version of the Qt library.
>
> * Using qt-mt, you may safely send events from one thread to the GUI
>   thread. This is sufficient thread safety for many applications.
>
> Qt is nowhere near completely thread safe and likely will stay that
> way for many years, perhaps for its lifetime.

actually, if the qt folks would come out and say, "when writing a 
multithreaded gui application, the gui will run in one thread and all gui 
generated events will be handled in the same thread context" it would be a 
nice place to start. that would eliminate any confusion in what needs to be 
made thread safe.

actually, i'm starting to think that it does work that way.

> Does anyone know of a completely thread-safe development platform ?

windows. hahahahahahahahahaha... ow... i hurt myself laughing :)

there's no such thing. the best you can hope for is a re-entrant system. 
anybody who knows a little about threading can manage to code around even the 
best guards to prevent race conditions.

Andrew Sutton
ansutton@sep.com
 
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