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(This is the documentation for SDL3, which is under heavy development and the API is changing! SDL2 is the current stable version!)


Specifies whether SDL_THREAD_PRIORITY_TIME_CRITICAL should be treated as realtime.

Header File

Defined in <SDL3/SDL_hints.h>




On some platforms, like Linux, a realtime priority thread may be subject to restrictions that require special handling by the application. This hint exists to let SDL know that the app is prepared to handle said restrictions.

On Linux, SDL will apply the following configuration to any thread that becomes realtime:

The variable can be set to the following values:

This hint should be set before calling SDL_SetThreadPriority()


This hint is available since SDL 3.0.0.

CategoryAPI, CategoryAPIMacro, CategoryHints

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