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| Allegro 5 thread on other languages |
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Niunio
Member #1,975
March 2002
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This is a quite simple question. Allegro includes a cross-platform threading interface. Object Pascal defines it's own cross-platform threading interface too, so I wonder if it would be any problem by using it. As I've seen at Free Pascal sources it uses Windows threads on Windows and pthreads on POSIX as Allegro. Anyway, is there anything I should care about using threads with Allegro? Also, what about other languages? ----------------- |
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gillius
Member #119
April 2000
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I've started developing jalleg, the Java binding for Allegro 5.2 and I've been able to successfully use Java's native threads on Allegro. By that I mean I've created other threads in Java and called Allegro routines and not seen any problems, but I wouldn't call that extensive testing. As far as I know Allegro's thread interaction is about thread locals. As long as Allegro's implementation is associated with the OS native threads, then it should not matter what API you use to create threads. Gillius |
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SiegeLord
Member #7,827
October 2006
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Yeah, using your language's threads should work fine. The threading API is one of a few bits of Allegro that were necessary internally, but were exposed externally because they seemed useful, even if you typically might not use them in a typical program/game. "For in much wisdom is much grief: and he that increases knowledge increases sorrow."-Ecclesiastes 1:18 |
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Niunio
Member #1,975
March 2002
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Good to know. Thanks. Anyway, I was trying to understand how does it work, to translate the examples correctly, and I found it a bit confusing. ex_native_filechooser creates a lot of threads, and I just don't know why. ----------------- |
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Elias
Member #358
May 2000
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The native file chooser is a special case - for some reason al_show_native_file_dialog blocks the calling thread. So if you call it from the main thread you more or less kill your game (can't handle events or anything while the dialog shows). To avoid that the example calls the function from another thread. -- |
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Niunio
Member #1,975
March 2002
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I see. I should study it and find the way to port it to Pascal, as that dialog is quite useful. ----------------- |
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