Interesting problem

> Actually, i have a threaded gtk main loop. Since callbacks have  
> return values, and also because i have to wait before the squeak  
> side callback finish its work, i wait with something like a lock:
>
> while (callback->locked != 0);
>
> Now, Squeak process and the main loop are two different OS level  
> threads. When a callback is called it's registered into a queue and  
> a semaphore is signaled, Squeak then checks for callbacks and run  
> them. In the while, the C callback idles until callback->locked is  
> 1. This works as well when the signal is dispatched from the main  
> loop thread, when it's dispatched from Squeak it blocks everything.
> What's the best way to handle this kind of problem? I tried to look  
> at wxSqueak but i really didn't realize how they solved this problem.
>
> Hoping for a reply, thanks you all.
>
> --
> www.lethalman.net - Thoughts about internet technologies
>

> > (first sorry for my poor English)
> No problem :L) mine is bad too :)
> I read your blog :)
>
> > Hello,
> > i'm trying to solve problems with GObject signals but everytime i
> > get something not working as well.
>
> What is a GObject
>
> > Actually, i have a threaded gtk main loop. Since callbacks have
> > return values, and also because i have to wait before the squeak
> > side callback finish its work, i wait with something like a lock:
> >
> > while (callback->locked != 0);
> >
> > Now, Squeak process and the main loop are two different OS level
> > threads. When a callback is called it's registered into a queue and
> > a semaphore is signaled, Squeak then checks for callbacks and run
> > them. In the while, the C callback idles until callback->locked is
> > 1. This works as well when the signal is dispatched from the main
> > loop thread, when it's dispatched from Squeak it blocks everything.
> > What's the best way to handle this kind of problem? I tried to look
> > at wxSqueak but i really didn't realize how they solved this problem.
> >
> > Hoping for a reply, thanks you all.
> >
> > --
> > www.lethalman.net - Thoughts about internet technologies
> >
>
>
>

> GObject is the base object fo rall Gtk objects, however i solved using
> setjmp/longjmp as wxSqueak do.
>
> On 6/17/06, stéphane ducasse <[hidden email]> wrote:
>
>> > (first sorry for my poor English)
>> No problem :L) mine is bad too :)
>> I read your blog :)
>>
>> > Hello,
>> > i'm trying to solve problems with GObject signals but everytime i
>> > get something not working as well.
>>
>> What is a GObject
>>
>> > Actually, i have a threaded gtk main loop. Since callbacks have
>> > return values, and also because i have to wait before the squeak
>> > side callback finish its work, i wait with something like a lock:
>> >
>> > while (callback->locked != 0);
>> >
>> > Now, Squeak process and the main loop are two different OS level
>> > threads. When a callback is called it's registered into a queue and
>> > a semaphore is signaled, Squeak then checks for callbacks and run
>> > them. In the while, the C callback idles until callback->locked is
>> > 1. This works as well when the signal is dispatched from the main
>> > loop thread, when it's dispatched from Squeak it blocks everything.
>> > What's the best way to handle this kind of problem? I tried to look
>> > at wxSqueak but i really didn't realize how they solved this problem.
>> >
>> > Hoping for a reply, thanks you all.
>> >
>> > --
>> > www.lethalman.net - Thoughts about internet technologies
>> >
>>
>>
>>
>
>

> You should take a look at some recent VM changes that Andreas has  
> proposed:
>  
> http://discuss.squeakfoundation.org/cgi-bin/ezmlm-browse?list=vm-dev&cmd=showmsg&msgnum=749
>
> I've switched over to this for wxSqueak, and it's working well.
>
> .. Rob
>
> Lethalman wrote:
>> GObject is the base object fo rall Gtk objects, however i solved using
>> setjmp/longjmp as wxSqueak do.
>>  On 6/17/06, stéphane ducasse <[hidden email]> wrote:
>>
>>> > (first sorry for my poor English)
>>> No problem :L) mine is bad too :)
>>> I read your blog :)
>>>
>>> > Hello,
>>> > i'm trying to solve problems with GObject signals but everytime i
>>> > get something not working as well.
>>>
>>> What is a GObject
>>>
>>> > Actually, i have a threaded gtk main loop. Since callbacks have
>>> > return values, and also because i have to wait before the squeak
>>> > side callback finish its work, i wait with something like a lock:
>>> >
>>> > while (callback->locked != 0);
>>> >
>>> > Now, Squeak process and the main loop are two different OS level
>>> > threads. When a callback is called it's registered into a queue and
>>> > a semaphore is signaled, Squeak then checks for callbacks and run
>>> > them. In the while, the C callback idles until callback->locked is
>>> > 1. This works as well when the signal is dispatched from the main
>>> > loop thread, when it's dispatched from Squeak it blocks everything.
>>> > What's the best way to handle this kind of problem? I tried to look
>>> > at wxSqueak but i really didn't realize how they solved this problem.
>>> >
>>> > Hoping for a reply, thanks you all.
>>> >
>>> > --
>>> > www.lethalman.net - Thoughts about internet technologies
>>> >
>>>
>>>
>>>
>>
>
>

>
> On 19-Jun-06, at 12:34 PM, Bruno Luca wrote:
>
>> On Mon, 19 Jun 2006 17:38:46 +0200, Rob Gayvert <[hidden email]>  
>> wrote:
>>
>> Thanks, are these changes official for the next release?
> Not yet. I haven't had time to evaluate them and include in VMMaker as  
> yet.
>
> tim
> --
> tim Rowledge; [hidden email]; http://www.rowledge.org/tim
> Strange OpCodes: RCS: Read Card Sideways
>
>
>

>
> On 20-Jun-06, at 1:10 AM, Bruno Luca wrote:
>
>> On Mon, 19 Jun 2006 21:54:01 +0200, tim Rowledge <[hidden email]>  
>> wrote:
>>
>> Ok, i'll switch once this will be official, thanks.
> My busyness shouldn't stop you from trying out the proposed changes and  
> evaluating them and letting us know how good or bad you find them to be.  
> Assuming of course that you aren't as swamped as I am...
>
>
> tim
> --
> tim Rowledge; [hidden email]; http://www.rowledge.org/tim
> Useful random insult:- Couldn't find his way through a maze even if the  
> rats helped him.
>
>
>