On samedi 06 septembre 2008, Doriano Blengino wrote: > Pino Zollo ha scritto: > > Alle 19:11, venerdì 5 settembre 2008, nando ha scritto: > >> This thread would cease to exist when the SUB is completed. > >> The main thread continues processing along side this one. > >> > >> The interpreter would have to switch running threads regularly. > > > > I guess that there should be many instances of the interpreter, one for > > thread. Hope the interpreter is light enough ! > > Very nice and usefull to have ! > > Threads share their dataspace (otherwise they are no more threads, but > processes instead). If two or more interpreters share the same data, > then a lot of problem arise - the whole event system breaks, because > there is concurrent access to the same structured data which, at a > certain point, can loose its integrity (both the data structures managed > internally by gambas, and the user ones...). If we want threads, then we > also have to use locks, semaphores, priorities and other difficult > things. Nando's idea is a lot easier to put in practice: at least, > internal data structures are safe, but still is a big task. Then, the > user gets a lot of responsabilities... what if, while one thread uses a > FOR EACH on a collection, another thread deletes it?. > > I think the easiest way is to have an "Idle event" - an event fired > everytime there is nothing else to do. In the Idle event handler, one > can run many background jobs. May be this is already possible using a > timer with very short interval (zero?), but this is not the intended > usage of timers. > > > Happy coding to all, > Doriano Blengino > >
Gambas interpreter was not designed to be multi-threaded at all. What sort of background process people want to do during their application? I never had such a need. Regards, -- Benoit Minisini ------------------------------------------------------------------------- This SF.Net email is sponsored by the Moblin Your Move Developer's challenge Build the coolest Linux based applications with Moblin SDK & win great prizes Grand prize is a trip for two to an Open Source event anywhere in the world http://moblin-contest.org/redirect.php?banner_id=100&url=/ _______________________________________________ Gambas-user mailing list Gambas-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/gambas-user
