SDL Wiki
(This is the legacy documentation for stable SDL2, the current stable version; SDL3 is the current development version.)


Force SDL to use Critical Sections for mutexes on Windows.

Header File

Defined in SDL_hints.h




On Windows 7 and newer, Slim Reader/Writer Locks are available. They offer better performance, allocate no kernel ressources and use less memory. SDL will fall back to Critical Sections on older OS versions or if forced to by this hint.

This variable can be set to the following values:

CategoryAPI, CategoryAPIMacro, CategoryHints

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