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On some platforms, SDL_MemoryBarrierRelease() is defined to SDL_CompilerBarrier(). If SDL_CompilerBarrier() is also defined to the fallback spinlock acquire/release, then we will infinitely recurse in SDL_UnlockSpinlock(). Avoid this by not unlocking the temporary spinlock we create.
Simple DirectMedia Layer (SDL) Version 2.0
Simple DirectMedia Layer is a cross-platform development library designed to provide low level access to audio, keyboard, mouse, joystick, and graphics hardware via OpenGL and Direct3D. It is used by video playback software, emulators, and popular games including Valve's award winning catalog and many Humble Bundle games.
More extensive documentation is available in the docs directory, starting with README.md
Enjoy!
Sam Lantinga (slouken@libsdl.org)
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