The new timer model is formalized as using a separate thread to handle timer callbacks. This was the case on almost every platform before, but it's now a requirement, and simplifies the implementation and makes it perform consistently across platforms.
Goals:
* Minimize timer thread blocking
* Dispatch timers as accurately as possible
* SDL_AddTimer() and SDL_RemoveTimer() are completely threadsafe
* SDL_RemoveTimer() doesn't crash with a timer that's expired or removed
Make sure every source file includes SDL_config.h, so the proper system
headers are chosen.
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extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%401406
I batch edited these files, so please let me know if I've accidentally removed anybody's
credit here.
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extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%401315